Seals for entrance doors and their types. Installation of rubber seals on metal entrance doors Insulation rubber for entrance doors

If suddenly a feeling of draft appears in the house or apartment or street or entrance odors begin to be felt, this indicates that the door has stopped closing tightly. You can solve this issue on your own by purchasing door seals.

Entrance doors often frustrate their owners by failing to cope with their main task - retaining heat in the room. Doors from the inside can be filled with insulation, but if they do not fit tightly to the door frame, then they are ineffective and play a minimal role in maintaining the internal microclimate.

What are seals used for?

The door seal is self-adhesive. Installation material

On modern metal and plastic doors, manufacturers install a special seal that can last from several months to several years, depending on the cost, the more expensive the door, the better the quality of the seal. Cheap external doors have low-quality plastic seals that soon become unusable.

Installing a self-adhesive door seal for doors yourself is not difficult - it is important to choose the right thickness of the material and its profile. To do this, you can use the method that our fathers and grandfathers used: wrap a piece of plasticine in polyethylene, put it in the gap and close the door tightly. After opening the door, you will get the approximate thickness of the future seal with the doorway closed.

Attaching the door seal for doors is quite simple: before installing the material, you need to degrease the attachment point, then gradually remove the protective film from the material from the sticky side and press it tightly against the door rebate. Some manufacturers skimp on glue for the sticky surface, and such a seal soon begins to lag behind the door. To correct this situation, you can use quick-drying glue, for example, “Moment” or “Second”.

Conclusion

Summarizing all of the above, we come to the conclusion that a door seal is a tool that can save a house or apartment from the penetration of foreign sounds, odors and drafts from outside. This is especially true for cheap doors, which are often sold without a seal or have cheap sealing material that quickly becomes unusable.

Seals vary in quality and appearance. Each of them is designed to close door gaps of different widths. Therefore, you should first decide on its profile so that you don’t have to reinstall it later.

Seals come from different materials: rubber, foam rubber, plastic, and so on. Rubber ones are considered the most common, as they are more durable, better quality and more reliable. They are easy to install on doors and door frames and just as easy to remove. The most important thing to remember: before installing the material, it is necessary to remove debris, dust and degrease the surface where the seal will be glued with solvent or alcohol. Otherwise, it will definitely come off during use, and you will have to buy a new one.

Experts also advise not to pursue colored seals, since due to the color pigment added to the material, it loses its qualities under the influence of weather conditions.

When an unpleasant odor penetrates into the apartment or cold air blows from the front door, weak sealing is to blame for such troubles. The problem can be resolved by installing a door seal around the perimeter of the door leaf. It will be equally useful for both wooden or plastic doors and powerful iron structures.

The door seal must be selected individually for each leaf. Its characteristics must satisfy the geometric and physical parameters of the sashes on which installation is intended. Excessively thick and too thin tape will not be able to fully effectively cope with the tasks. Therefore, you will have to take the choice of profile seriously.

What is a seal?

Door seals on the front door are reliable protection against external negative influences - dust, sound, cold. Also, this addition has good thermal insulation and sound insulation properties. This effect is achieved through the use of porous materials or substances with a low heat transfer coefficient.

As a rule, seals for entrance doors are made with adhesive tape on one side, which allows it to be glued quickly and without problems. True, a cheap door seal does not last long, and soon begins to lag behind the surface.

VIDEO: Why is it blowing from the front door

Classification

The main gradation occurs according to three criteria - material of manufacture, purpose (place of attachment) and type of profile.

Material

First on this list is the material from which the seal is made:

• polyurethane is the cheapest in the line, which is used mainly for interior doors; this option is absolutely not suitable for entrance doors

• silicone - dense, high-quality, used for rooms with high humidity

Made from silicone

• rubber - with regular treatment with silicone grease can last up to 5 seasons; produced in the form of measuring tapes with and without adhesive backing

Rubber with magnetic stripe

• thermoplastic elastomer (synthetic rubber) is by far the best option of all those proposed, maintaining elasticity and resilience at temperatures of -70°C...+90°C.

Elastomer

• threshold - made of rubber or synthetic rubber with a denser structure. Attached to the threshold of the front door, where the load is always increased. The side parts of the door and the top strip are closed with a U-shaped seal

Threshold type

• contour - a well-known material that is attached around the perimeter of the canvas in a special groove or simply along the edge. At the same time as protection from noise and drafts, it acts as a damper gasket, due to which the door softly slams shut;
• fireproof - in appearance it is almost an ordinary seal, which, with a sharp increase in temperature, foams and completely blocks the access of air, which leads to the extinction of the flame.

Profile type

• tape - a popular type of product, made in the form of a strip 0.8-1 cm wide and up to 6 meters long (this is the standard perimeter of the front door)

• tubular - a hollow rubber, silicone or vinyl tube inserted into a plastic or metal casing. Compared to tape, it provides less sealing, but better damping properties;
• spring - made of rubber or silicone rubber, attached to the box with silicone sealant or nails.

In order to determine exactly what thickness a profile is needed for a specific door, make a rectangular strip of plasticine with a cross-section of 1 cm and a length of 3-5 cm, wrap it in cellophane, insert it between the frame and the door and close it tightly.

Almost always, the packaging is supplied with detailed instructions for use and a set of fastening elements. For metal doors, in most cases self-adhesive strips are used.

VIDEO: Self-adhesive seals for windows and doors

Necessary parameters for seals

Human nature is such that each of us tries to provide ourselves with comfort, but at the same time spend a minimum of effort. This applies to everything, and insulation in this case is no exception. Why suffer from drafts from a window or door when you can install a seal and forget about this problem altogether?

So, the main parameters that the seal meets

1. Speed ​​and ease of gluing - the whole process will take 15 minutes at most, and will be enough not only for this winter, but also for the next 3-4.
2. Isolation of odors, dust and sounds - seals allow you to get rid of all negative factors.
3. A rubber or silicone seal provides the door with good shock absorption when closing/opening.
4. The entire structure should not vibrate due to the presence of play.
5. During closing/opening there should be no sharp sounds from the contact of metal parts of the door.
6. At sub-zero temperatures, seals must remain elastic and not harden, otherwise cracks will appear through which air will blow again.

On request, it is possible to manufacture seals of all profiles in any colors and sizes

Properties of materials

Different materials have different positive properties.

• The rubber door seals used have a high degree of durability. They withstand multiple compression/expansion cycles, can easily withstand exposure to UV rays, and are affordable. The basis for them is oil-resistant and acid-resistant rubber.
• Silicone seals are quite popular in many apartments. The material does not emit harmful fumes into the atmosphere, having excellent environmental qualities. Due to its anti-allergenic properties, it is approved for use in schools and preschool institutions.
• Polyurethane seals on the door are fixed without any problems. It is often equipped with a self-adhesive surface.
• The cheapest is the foam seal. However, its service life is often limited to one or two seasons.

Magnetic seals

Door manufacturers have recently been using this type of seal on finished assembled products. Similar tapes can be seen on the doors of refrigerators or freezers. The principle of operation is to reliably attract the material to the opposite metal surface.

The magnetic seal does not lose its properties at temperatures from -55°C to +70°C

If the magnets are set to a high clamping force, then children and elderly people will have difficulty overcoming it, and insufficient attraction will reduce the effective work of ensuring tightness.

It is preferable to mount magnetic seals on a canvas devoid of various decors, and the mating surface must have a sufficient area for reliable attraction. The tape is based on two elements:

• plastic edging;
• magnetic core.

The outer layer is made of thermoplastic elastomer, which has many advantages:

• exhibits high resistance to aging;
• is able to function effectively in the temperature range -70°C ... +90°C;
• the material is recyclable, which helps improve the environment.

To choose the right door seal, you need to consider certain factors:

• it is necessary to select self-adhesive tapes with a long shelf life to ensure fastening strength;
• It is not recommended to use foam tapes in combination with metal doors, since a significant load from a massive door will quickly damage the tape;
• Before buying any tape, you need to familiarize yourself with the conditions of its use, which will allow you to use it effectively;
• You can test the reliability of the seal by pressing the tape with your hands; if it quickly recovers after the impact, then this is a positive sign;
• if gluing is necessary during the process, then use silicone reliable glue;
• The degree of hardness of the seal should be average, since an overly soft one has a short service life, and a rough one will not always allow the door to close well.

Based on the markings on the tape packages, they are able to cope with gaps of various widths.

If the gap thickness is 1 mm, you should choose a rectangular profile made of PVC or foam rubber.

VIDEO: Insulating doors and windows using sealant

Any entrance door needs insulation, especially when the door faces the street, for example, in country houses. In city apartments, a draft or foreign odors may also appear from the entrance, and this is a signal that the door needs to be sealed.

The tightness of any entrance door is one of the main requirements; the heat and sound insulation in the room depends on it. This problem can be solved with a good seal, which is placed on the entrance opening; it then makes the structure more airtight and protected from dust and wind.

Main requirements for the seal

All seals are made from different materials, but they have one purpose - to seal the door so that not a single crack remains in it. All materials used for this purpose must meet certain requirements.

1. The quality on which the service life of the sealing tape depends.
2. Tightness, this property can protect the living space from the penetration of foreign odors, dust, drafts, and cold.
3. Wear resistance is associated with the density of the material composition and its ability to be resistant to mechanical damage.
4. Compliance, this determines how much the sealing tape can softly compress and regain its original state.
5. Softness, this property helps the door to be more shock-absorbing, eliminates squeaks and softens impacts on the door frame.

To seal profiles, seals made from the following materials are most often used:

All of them can be produced in the form of strips of different widths and thickness, color, they should be selected depending on the nature of the gap in the doorway.

Foam sealing tape is the most common and simplest type. It has a self-adhesive film, looks like a foam tape, which comes in different thicknesses. If the door frame is made of wood, then the seal is attached to it or to the end edges of the door itself using wallpaper nails. Can be attached to metal entrance doors using glue.

This type of seal does not always cope with the assigned tasks; it can allow cold to pass through, and it does not have a long service life. It is best suited for sealing interior doors.

A universal seal can be called a rubber product; it fits perfectly into door structures made of wood and metal. There are two types of such sealing tape - self-adhesive and those that are used with the installation of a metal profile.

Self-adhesive type can be installed in a few minutes, you just need to press it to the base of the door frame or to the end part and it will stick on its own. If you use the second type, then a profile is needed; without it it is impossible to fasten a sealing tape of this type. The advantages of rubber seals are their low cost and good sealing of the door structure after use. When purchasing a seal, you need to pay attention to its service life, which should be indicated in the technical documentation. After this period, the rubber loses its elasticity.

Silicone material very similar to rubber, but it becomes sticky after a certain period of time, this renders it unusable and it begins to tear. Silicone seals are environmentally friendly, so this material is often used to seal entrance doors in children's and medical institutions.

The polyurethane seal can be easily installed and is equipped with a self-adhesive film on one side.

The best are considered thermoplastic elastomer seals because they have high strength and elasticity. They are environmentally friendly materials, can withstand low temperatures, have a pleasant appearance and can serve reliably for up to 20 years, provided that the seal is installed according to all the rules. The disadvantages of this type include the complexity of installation and its high cost, but the quality and reliability are worth it.

Product classification

All seals are divided according to the type of design and method of fastening; they can be:

• Magnetic
• Self-adhesive
• With additional clamping mechanism.

The easiest and easiest way to install a self-adhesive seal is that it is suitable for metal and wooden entrance doors. Magnetic ones are considered a classic option for installation on metal door structures, they were developed recently, so they are not yet so popular. The disadvantages include the strong pull of the door, which can be difficult to open.

Conclusion

Before you start choosing a sealing tape, you need to know what gaps there are between the door leaf and the frame; in order to more accurately determine the dimensions, you can use plasticine wrapped in polyethylene and insert it into the door gap.

The quality of the sealant can be judged by how it expands when you press on it. Good material literally takes its original shape in a matter of seconds.

The best thing buy a seal with a reserve, first you need to decide on the number of layers and then measure the dimensions of the door, the perimeter of the door frame.

If you choose a sealing tape only for the threshold, it will not give the desired result, but contour products are placed in several rows and fit tightly around the entire perimeter. A good quality seal, correctly selected and installed, will always help protect your home from cold and noise.

It is important to always keep warm in any room, especially during cold seasons. Therefore, it is advisable to insulate not only windows, but also doors, through which cold, wind and dust penetrate into the room no less, if not more. For this purpose, a variety of door seals are produced, which ensure maximum heat retention in a house, apartment, office, or public institution.

Purpose

Door seals are designed to eliminate cracks and gaps that allow cold air and winds to enter the room. It is impossible to live without them in a private house with doors opening directly onto the street. The door structure (especially if it is wooden or made of a similar material) tends to dry out or, conversely, absorbs a large amount of moisture during rains and dampness. Deformation of door frames creates conditions when the door cannot fit tightly to the jamb. It needs to either be replaced, which, of course, is not always possible, or use a saving inexpensive option in the form of a good seal, which will extend the life of the door and help retain heat in a living or working space.

In addition, there is another function of the seal - shock absorption, which is not directly related to the heat-saving function, but provides a softer contact of the door with the jamb, preventing loud impacts and unnecessary squeaking.

Requirements

Of course, in order to perform its main function, the seal must be of good quality.

Therefore, it must have the following properties:

• durable materials of manufacture - the service life of the sealing tape depends on them. If the tape is not of very good quality, it will quickly begin to lag behind the door and will simply be unusable;
• good insulation should adhere tightly to the surfaces surrounding it. This provides an obstacle to the penetration of cold air, winds and street dust into the room;
• resistance to constant mechanical stress is also a necessary quality, because when opening and closing doors, as well as exposure to any external factors, poor quality materials will undergo rapid wear;
• the material should not only be durable, but also bend well, not tear when trying to close door gaps and cracks with it, and be as soft as possible in order to minimize the sound of the door hitting its frame.

Kinds

All types of door seals are produced in the form of a tape, which has different lengths, widths, thicknesses and colors depending on the size of the cracks and gaps, as well as the color of a particular door in order to maintain aesthetics. The types of seal profiles may be different. A profile is a form of insulation that can have a cavity inside the material, the task of which is to eliminate gaps and seal cracks of various sizes and shapes. When compressed, good insulation does not suffer any damage. High-quality polyvinyl chloride (PVC) or polyurethane have this property. Profile shapes can be in the form of letters of the English alphabet: P, V, C, E, O and other configurations.

Sealing tape made from foam rubber is the most popular and inexpensive type. A self-adhesive film is attached to the foam rubber; its thickness may vary. Methods for attaching foam tape vary depending on the material from which the door frame is made. If it is wooden, the foam rubber is fixed to it with wallpaper nails, and if the entrance structure is metal, you can use strong glue, which is suitable for working with metal. Among the disadvantages of foam rubber tape, it should be noted that it is not wear-resistant and does not last long. Also, due to its porosity, foam rubber (especially when it comes to large-width tapes) tends to let cold air through, so it is best to use it as insulation for interior doors rather than entrance doors.

Tubular seal It is a thick, dense tourniquet, inside of which there is a rather large cavity. It is thanks to the strength of the material in combination with the internal cavity that the door adheres to the jamb without cracks and unnecessary gaps. The tubular seal is made of rubber, which has a porous structure, which provides heat conservation and sound insulation. It is often self-adhesive, which makes it easy to install. Of course, any “self-adhesive” will simply fall off over time, but usually it lasts from one to several seasons, and then it can just as easily be replaced with another. Most often, rubber is used for doors facing the street.

Groove seals are made specifically for plastic doors of various designs and are a product made of softer rubber than a thick tubular seal. Installation of such a product is more than simple: you just need to carefully insert it into the door grooves. The groove method ensures minimal impact of external factors on the seal itself and lasts much longer, withstanding bad weather and sudden temperature changes. This type of insulation can only be used for plastic doors. Unfortunately, it is not suitable for other door designs. By the way, an interesting fact that should be taken into account by all owners of plastic doors is that each manufacturing company, in addition to selling and installing doors, also produces seals, which can be immediately purchased as an additional and useful accessory.

Glass seal It is also a separate type of seal, designed specifically for glass door elements of different sizes. Their profile has an individual cross-section, and the material used is flexible and soft silicone. It is enough to simply moisten such material in water, and then immediately install it in the desired place on the door. This type of silicone is distinguished by the fact that after soaking, after a certain amount of time, it firmly sticks to glass surfaces and does not “come off”, unlike simple seals on a self-adhesive base.

Magnetic seals are produced in the form of a frame that follows the door contours with millimeter precision. They are used for metal doors and are recommended by experts as the highest quality and most durable. Each of them has two components: an insert with a magnet and a soft material. Such a seal is not cheap, and certain rules must be followed when installing it, but wear resistance and high quality can contribute to its purchase.

Magnetic products have a high degree of tightness and shock absorption, so the door will not make noise when opening and closing, and the attraction of the door to the jamb will ensure the complete absence of cracks and gaps. The only downside may be that due to magnetic attraction, you will sometimes have to apply additional physical force to open the door. A special place among seals is occupied by the threshold seal, the purpose of which is not only to insulate the bottom of the doors, but also to increase the load that the dense rubber or caoutchouc from which it is made can withstand. When purchasing such an idea, you need to pay special attention to the quality of the rubber.

Contour seal good for its ease of use: it is attached to the door along its perimeter. If there is a special groove, you can insert it there, or you can simply lay it along the edge if there is no gap or groove. Contour insulation is often made of rubber and foam rubber. For rooms with a high fire hazard, a thermally expanding type of insulation is often used. Visually, it looks like the most ordinary one, but with a sharp increase in temperature during fire and smoke, it tends to immediately expand and foam. This prevents air from entering the room and the flame can go out faster.

Also, a triple, or three-circuit type of seal, providing additional sound and noise insulation effect. The seal, consisting of three layers (or contours), can be used in both apartments and offices to optimally maintain comfort and safety. Additional rigid ribs make the door leaf much thicker and increase its weight, so it is important to ensure that the door frame and its fittings are as strong as possible. This type of insulation is perhaps the best at retaining heat when used for entrance doors.

Liquid insulation option used for metal entrance doors and requires certain conditions of use. It is available in metal cans and is applied to the required areas by spraying. Essentially, it is liquid foam rubber, which, when applied under gas pressure, quickly hardens, providing good thermal insulation properties. Its peculiarity is that it does not like places with high levels of humidity. Also, when spraying, a certain skill is required in order to apply it as accurately as possible so that the door does not acquire unnecessary cosmetic defects.

Liquid insulation materials are made from neutralized chemical compounds and are absolutely safe for humans and animals.

Pile or fleecy types insulation materials have been known to many people since childhood, mainly because their main representative to this day is felt. At the present stage, there are also synthetic analogues of fleecy insulation, but since felt is made from pure wool, despite its certain features (in particular, it is not so easy to attach it to doors), this is still its undeniable advantage. There are different types of felt that have a specific designation, but any option is suitable for doors, the main thing is to cut the material correctly, having made the necessary measurements before doing so.

Synthetic pile materials are often popular thin pile tape on an adhesive basis. Its task is to prevent dust from entering the room. It is rarely used as a door seal, but it is often used for installation on sliding wardrobe doors.

There is also the most expensive, but at the same time reliable TEP seal, in the production of which thermoplastic elastomers are used. These materials are highly wear-resistant, and therefore manufacturers claim that they can last from 15 to 20 years without replacement. High-tech flexible plastic can withstand extremely low temperatures and provides excellent thermal insulation even in temperatures below 50 degrees. In addition to its high cost, such a seal is characterized by a certain complexity during its installation, but if all conditions are met, its price will justify itself very quickly.

Dimensions

Seals come in different sizes: thin, thick, wide. Dimensions are selected based on the size of the gap or gap. When the gap width is 1-4 mm, a rectangular profile is used, and the material can be PVC, foam rubber or polyethylene. For smaller gaps - up to 3 mm, a C-profile sealant, as well as K or E, is suitable. P- and V-profile products cover holes from 3 to 5 mm. Seals with wide cavities inside O and D are intended primarily for entrance doors and are installed in the gaps between the door and the jamb, the dimensions of which can be up to 7 mm.

These products are usually produced in large rolls. The footage may vary depending on the manufacturer and the type of sealing material. When purchasing, you should be guided by the fact that for one entrance door you need to purchase from 5 to 6 meters of insulation. A little less may be spent on interior doors, but it is better to always take it with a small reserve: it will never be superfluous in the household, and if suddenly any part of the sealing tape wears out, it can always be replaced.

If you need to seal the gap between the door leaf and the jamb, the size of the gap can be removed very simply: you need to insert a piece of plasticine wrapped in plastic film between them. You will get an impression that will help you correctly determine the required width of the seal.

Materials

Foam seal is one of the most popular and simplest. It has a self-adhesive backing that makes it easy to attach to the door. The thickness and texture of the tape may vary. Foam rubber is nailed to wooden door structures with wallpaper nails, and if the front door is made of metal, you can fix the foam rubber with a special glue designed for working with metal. The advantage of foam rubber has always been its low cost and availability for everyone, but it is known that its service life ends very quickly: often foam rubber insulation is barely enough for one season, and in particularly unfavorable weather conditions it can wear out much earlier. Of course, you can always buy it with a reserve, but these features should be kept in mind when purchasing.

Rubber insulation is rightly called universal, because it is used to eliminate gaps in both interior and entrance doors. You can work with it to insulate doors made of wood, chipboard and any metal. It comes in two types: either adhesive-based or designed for installation in a door profile specially prepared for it. As you know, there are door models that are produced with inserts designed to install a future seal.

The undoubted advantage of rubber seals is their wide range: they are produced in the form of bundles of various diameters or tubular products with a cavity inside. Along with its low cost, rubber has excellent sealing properties. When purchasing, it is very important to pay attention to its expiration date, since rubber loses its elasticity over time.

Silicone is similar to rubber, but it is softer, more flexible, and quickly breaks and wears out due to constant mechanical stress. In addition, after a while it acquires unnecessary stickiness, which is also an inconvenience. However, it also has its obvious advantages: silicone is very light and aesthetically pleasing in appearance, and in addition, it is considered an environmentally friendly material. Therefore, it is most often used for insulating doors in preschool institutions, schools, hospitals and clinics, and ease of use always ensures the absence of serious technical problems if it needs to be replaced.

The felt seal is certainly familiar to everyone. Along with foam rubber, it is the most popular and well-known material that was widely used in Soviet times. Felt is no less popular in use today, and even against the backdrop of modern high-tech materials, it still has its obvious advantages. Now felt is easy to install and affordable when you compare its cost with TEP seals.

The main advantage of felt is its high wear resistance during operation. This natural and durable material is able to withstand harsh weather conditions and not wear out over a long period of time, especially if the installation was carried out correctly and conscientiously. Due to the fact that real felt is still made from pure wool, its internal structure does not deteriorate over time, unlike synthetic types of seals, and it can last for years without losing its original qualities. Felt is very dense, it perfectly absorbs sounds, retains heat excellently and, contrary to popular belief, is a fireproof material precisely because of the density of its structure.

Previously, felt was very widely used to insulate any doors and even windows. However, it has several features due to which many consumers still prefer more modern types of materials. Since it is still produced from natural wool, following centuries-old traditions using complex technologies, its price is often quite high. In addition, the process of installing felt on a door is not easy, and the craftsman should have certain skills in order to do everything as correctly and accurately as possible. First of all, you will need to cut out felt strips from sheet material yourself, while other types of seals are already sold in ready-made form and come in mortise versions that do not require special preparation.

Colors

At the present stage, you can choose not only a window or door, but also insulation for it to suit every taste and color. The color range of seals made of silicone, PVC and rubber is not limited: the white seal is ideal for plastic doors of the same color, and the black rubber material will become a reliable protector from the cold and extraneous sounds if you attach it to the front door. Classic black and white colors have their own specific scope of application: it is clear that black seals are better suited for massive doors made of iron or any other metal, and white ones can hide cosmetic defects and gaps in interior doors.

For colored metal-plastic doors, multi-colored seals are provided, which, as already mentioned, can always be purchased from the same manufacturers that produce doors. Transparent silicone types are suitable for those door installers who want the material used to be as invisible as possible on the surface and at the same time perform its main functions.

Manufacturers

The leading manufacturer of expensive but reliable seals is Gasket LLC is a Russian company specializing specifically in thermoplastic elastomers. The assortment includes not only ready-made seals: at the customer’s request, we can take measurements and provide a product of any non-standard sizes, taking into account the features of a particular door design.

Volzhsky RTI plant Since Soviet times, it has been producing rubber products based on organosilicon. Now this plant produces rubber door insulation of various sizes and profiles, intended for wide consumption. The quality of rubber is high, such materials last a long time, and their price is very reasonable.

LLC PKF "Kazpolymer"- an enterprise located in Kazan and engaged in the production of all ranges of PVC and plastic seals. The range includes insulation for both entrance and interior doors, as well as materials that can be used to eliminate cracks not only in doors, but also in furniture, both new and old.

Firm "Bars-profile" from St. Petersburg has long been engaged in the production of various seals from wear-resistant PVC materials for doors of any type. The company primarily specializes in European-style insulation for both doors and windows, producing products of virtually any color and profile, already prepared in advance for different types of doors. This company operates in full compliance with quality requirements according to GOST.

Kazan company "Polinor" specializes in paint and varnish materials and products for construction, but it is the company that produces high-quality liquid sealant for metal entrance doors with the same name. It is environmentally friendly and easy to use: in order to apply it correctly in the right place, all you need to do is read the instructions carefully.

Which to choose?

Before purchasing, it doesn’t hurt to test the seal yourself to determine its quality. To do this, you just need to lightly press on it. If the quality is good, then the material returns to its previous shape after a few seconds, and if it is bad, it will remain in a “compressed” position or straighten out, but with traces of obvious deformation. It is not recommended to purchase such a seal, and you should not look at the fact that it can be cheap: it will wear out very quickly or break upon contact with the door structure, unable to withstand constant mechanical stress.

For the entrance door, as a rule, dense rubber seals are used, having both a tubular and rectangular shape, depending on the size of the cracks and the “age” of the door. If we are talking about a metal solid structure of a door frame, it can be insulated with liquid material by carefully spraying it from a bottle. Magnetic insulation is ideal for steel and iron doors - they will ensure maximum tight closure, but will make the already weighty structure somewhat heavier. Magnetic insulation, as well as TEP options, will serve for a long time when attached to movable pendulum structures.

External and street doors can be insulated with felt, of course, by inviting an experienced craftsman to do this and taking into account all the necessary costs associated with the material and the work process itself. Also, magnetic insulation (if we are talking about external metal doors) will be an excellent and less energy-consuming option. It should be borne in mind that felt can be used to insulate door vestibules; its dimensions, due to the specifics of the material, can be “adjusted” as work progresses.

In a log house, special care should be taken about fire safety, so for any wooden door (made of oak or other wood material), a good alternative would be to use thermally expanding insulation, which, in the event of a fire hazard, will prevent oxygen from entering the room, which can prevent the rapid spread of fire.

As for interior doors in general (including sliding and compartment doors), in this case you can use seals of a more aesthetic appearance, made of soft silicone or plastic of the appropriate color. Since we are talking about moving structures, it would be better, in addition to the adhesive base available for the seals, to additionally secure it with wood glue or chipboard, depending on the material from which the door is made.

By the way, to prevent the accumulation of dust and dirt in sliding cassette-type door structures, a fluffy tape on a self-adhesive basis, which is not very popular among door seals, is ideal, which is used to eliminate small cracks in wardrobes, chests of drawers and other furniture.

For a balcony door, narrow rubber insulation with an adhesive backing is usually used, and if you still want to save money, you can also use foam rubber. If the balcony door is part of a double-glazed window, it will not be difficult to install any plastic seal on it. If the balcony door is old, wooden, with many cracks and gaps, wide strips of felt can be secured around the perimeter of the door, following the size of the gaps, and small gaps can be eliminated using specially cut felt gaskets.