Extruded polystyrene foam insulation applied to the walls can significantly improve the exterior durability and energy efficiency of your home. This adaptable, lightweight material is frequently used to increase thermal performance by lowering heat loss and avoiding the accumulation of moisture within the walls.
Extruded polystyrene foam, or XPS for short, is a popular material for both new construction and home retrofitting because of its exceptional compressive strength and water absorption resistance. By forming a thermal barrier, XPS lessens the need for excessive heating or cooling by assisting in the maintenance of a comfortable indoor temperature all year long.
The simplicity of installation is a major benefit of utilizing XPS insulation. It can be installed as part of a cladding system or directly onto the external walls, underneath the exterior finish. This easy installation procedure not only raises the walls’ insulating value but also improves the facade of your house’s overall aesthetic appeal.
In addition, XPS insulation prolongs the life of the outside of your house by preventing heat from transferring through materials that have a higher thermal conductivity. This aids in avoiding possible problems like condensation inside the walls, which over time may result in the growth of mold and structural damage.
- Insulation with extruded polystyrene of the walls of loggias and balconies
- Foam and its use as insulation
- Conclusion
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Insulation with extruded polystyrene of the walls of loggias and balconies
Let’s start by providing an instant response to the query of whether extruded polystyrene foam can be used to warm walls. The response will be clear: of all the analogs used in construction, this type of thermal insulation is the most effective, so it is indeed possible.
We’ll go over how this is done below, and for more details, you can view the video in this post.
Foam and its use as insulation
What’s a foam?
- Dense synthetic insulation extruded polystyrene foam was developed in 1941 in the United States.
The substance is also referred to as washam, foamyplex (foam-polex), and technology. It is still extrusion polystyrene foam, though. Generally, the plate’s outer dimensions are 1200 x 600 mm.
- The manufacture of such a heater differs from the manufacture of foam by the production of granules, that is, if the foam granules are “steamed” until the shape is completely filled, then the foam is obtained by extrusion. Here, polystyrene granules are mixed at high temperature and pressure with the addition of a foaming agent, and then the mass is squeezed out into the form from the extruder.
- The clogged cells with a diameter of 0.1-0.2 mm practically do not pass air and water (air absorption is 0.2%-0.4%). The material has a very high density -35 kg/cm 2 -45 kg/cm 2 and it is even used to warm up the runways, the thickness varies from 3 mm to 100 mm.
Additionally, sheets are typically made with a chamfer around the perimeter and are 20 mm or thicker. It is used to insulate the loggia and balcony and to warm the walls, ceilings, floors, basements, and foundations of buildings.
Using foam for wall insulation
Plan for insulating the external wall using washes
- Basically, wall insulation with extruded polystyrene foam from the outside is carried out with the calculation that a putty or plaster will be applied to the foam. For ventilated facades, it is much more convenient (in price) to use polystyrene or mineral wool.
In our situation, installing sheets on the wall that are able to adhere requires a smooth, smooth surface.
- If there is a paint or lime on the wall, then they must be removed so that it does not fall off in the process of cohesion along with the insulation. It is also undesirable to glue the foam on various fur coats or poorly kept plaster.
In certain instances, replastering the wall is necessary to ensure the surface is level before applying the insulation.
Extrusion polystyrene foam sample laid out outside
- The extrusion panel is laid on glue and the most popular for this purpose is universal glue for ceramic tiles, for example, CeresitCM-11. It is applied pointily on the sheet (in the corners and in the center) and applied to the surface.
The sheets fit together seamlessly because of the chamfer around the edges, and if you ever need to add more sheet, you can simply cut out this kind of chamfer using a construction knife.
Fungi that produce foam
- After gluing, the foamyplex is additionally strengthened with dowry fungi and for this they usually use two clamps on the sheet, placing them along the edges.
At times, they place a single mount in the panel’s center, and at other times, they press four fungi into each sheet after driving dowels into the panel’s joints and corners. Furthermore, glue is used to seal the joints.
Make the stands for the staircase’s stop.
Suggestions. Should the foam be installed from stairs rather than from cradles or forests, the stairs’ risers may injure the panels.
In order to avoid this, sharp corners are eliminated and the area of the stop is increased by screwing flat stands to the upper portion of the vertical bars.
Foam-filled wall insulation for interior use
- If the excanne insulation is mounted indoors, that is, from the inside of the wall, then the principle of its installation does not change-the requirements remain the same as the outside.
The primary application of extruded polystyrene foam for internal wall insulation is putty, which is preceded by the fastening of a fine plaster mesh; however, this also pertains to finishing work.
Glue is applied to the foam.
- Unfortunately, dowry fungi can not always be used, for example, when warming the foamy complex of balconies and loggias. The fact is that the partitions, and the parapet is most often very thin and when installing the dowel, the drill can easily reach the other side of the wall, and this promises you certain troubles from the neighbors, especially if they have a repair.
As a result, the panels can be attached with ease, much like ceramic tiles, completely covering the sheet’s back with a solution.
Foam-covered floor square
Insulation against heat for a "warm floor"
- When installing “warm floors” (water or electric), the instruction involves the presence of a thermal insulation layer under the coolant to create optimal conditions for heating the room. Very often in such cases, extrusion polystyrene foam is used for this, covering it with thin foil polyethylene as a reflector. This method is very convenient, especially when the floor is located above the basement or this is the first floor of the house located in cold regions.
Sprinkling the floor with extrusion polystyrene foam
- It is very convenient to warm the floor with extrusion polystyrene foam on balconies and loggias, provided that there is an even base for this. Just slabs, especially on balconies, are often broken and for the installation of the foam, a preliminary filling of a cement screed is required to align the plane. The panels are laid on the floor without any additional fixation, so that then laminated coating or linoleum then lay on them.
- Keep in mind that for the installation of a “floating floor” (without fixing the coating), even angles (90⁰) are needed in the room, which is extremely rare, especially on balconies. Therefore, the extreme panels need to be fixed with any spacers of pieces of wood (this is visible in the photo above) so that the ends of all sheets match. After laying the foam, so that it does not disassemble at the joints, you can blow out the perimeter with foam with foam, and remove the spacers – then the insulation will not move.
- By stacked extrusion polystyrene foam with your own hands, you can calmly walk on slabs and in shoes and without it – the deformation of the material will not occur – its density is high enough even for a person who has a large weight. The laminate for such insulation is laid without the use of the substrate, directly on the panel, and the OSP is pre -laid for linoleum.
Suggestions. If your base (black floor) is level and you don’t need a lot of insulation, you can use a foam substrate that is covered in 3-5 mm thick layers that measure 1000 x 500 mm. It doesn’t require an oriented stove to be placed beneath linoleum.
The building base and the monolithic railway foundation are joined and insulated.
- Shallow foundations that distinguish individual construction from large -scale, have the properties of freezing, especially in the northern regions of our country. Freezing also implies thawing, therefore, for such structures, insulation and waterproofing are necessary.
In the past, bitumen, various cellophane films, and roofing material were used for moisture protection; mineral wools and foam, which have a very short lifespan, were also used for this purpose.
The foundation’s insulation using extruded polystyrene foam
- For the installation of the zkststruded polystyrene, the foundation is first treated with bitumen for waterproofing, and then, after drying (about 10-12 days after 10-12 days), they start laying the technoplex. Mixtures containing acetons and gasoline, that is, with an aggressive environment, cannot be used as an adhesive composition. For this, adhesives on a bitumen basis or any universal tile glue are best suited.
- Extruded insulation itself is also a waterproofer, so it does not need to be protected with any films-it is enough to close up the joints, although they are with a chamfer, but moisture will still penetrate through them anyway. The minimum operation of such insulation in the most unfavorable conditions is 50 years, while similar designs from mineral wool or foam are withstanding no more than 12-13 years.
Using foam for roof insulation
Extruded polystyrene foam installation for roofing
- Stevex is very good for laying under roofing materials, because it has sufficient stiffness and has excellent thermal insulation properties even with a small thickness. This material, unlike foam, does not crumble during cutting and installation, and also holds the form well, which allows you to walk on it with your feet when laying.
Typically, roof insulation is done in attics; however, since heating attics can result in snow, installing anti-icing systems is advised in these situations.
Extruded foam insulation for attics
- Also, extrusion insulation on the roof can be installed from below, installing it between the beams. In such cases, it is cut 2-3 mm larger than the planting nest, and the sheet is kept due to the spacer effect. The remaining gaps are blown by mounting foam.
Insulation for drywall in the technological nibe of the ceiling
Suggestions. Under profiles, foamyplex insulation can be used for the installation of drywall, PVC/MDF panels, and wooden lining—all facing materials that need a crate.
The panel is just pricking on the brackets; a metal or wood frame is installed later.
This technique works for walls and ceilings alike, however it is preferable to use a point-based adhesive for the ceiling option.
Conclusion
Right now, among its equivalents utilized in contemporary construction, extruded polystyrene foam offers the strongest insulation. Of course, cost and effectiveness are related, but the foamyplex has a much larger operating resource than other heaters, so using it is less expensive.
Warming using extruded polystyrene foam: price, picture, video instructions for doing it yourself, and whether or not it can be used to insulate walls
Warming using extruded polystyrene foam: price, picture, video instructions for doing it yourself, and whether or not it can be used to insulate walls
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We go over the advantages and detailed application procedure of extruded polystyrene foam in our guide to installing it on walls in homes. We go over helpful advice and factors to take into account in order to achieve effective insulation, ranging from improving energy efficiency to guarding against moisture. Knowing the benefits and right application methods for extruded polystyrene foam will help you extend the life and comfort of your home’s exterior, whether you’re building or remodeling.
The insulation effectiveness and general comfort of your home can be greatly improved by installing extruded polystyrene foam on the walls. This material, which is renowned for being both lightweight and strong, offers superior thermal insulation, preventing heat loss in the winter and assisting in the maintenance of cooler interior temperatures in the summer.
Extruded polystyrene foam’s resistance to moisture is one of its main advantages; it helps stop problems like the growth of mold and mildew. It protects the structural integrity of your walls over time by functioning as a barrier against moisture ingress, which may lower maintenance costs related to water damage.
Furthermore, extruded polystyrene foam is easy to install, making it accessible to both professionals and do-it-yourself enthusiasts. Because of its lightweight design, it can be applied with flexibility on a variety of wall surfaces, including concrete, wood, and metal.
Ultimately, selecting extruded polystyrene foam for your wall insulation requirements enhances energy efficiency and adds to the facade of your house’s long-term sustainability and durability. This material has demonstrated its ability to effectively manage moisture and provide insulation, making it a dependable option for improving comfort and weather resistance.