Extruded Polystyrene, referred to as XPS insulation, is a closed-cell insulation product commonly used in remodeling and new construction applications. Due to the manufacturing process, polystyrene board insulation is typically available only in standard dimension square or rectangular boards. Brands of XPS rigid insulation are generally recognizable by the color of the insulation: blue made by Dow, pink made by Owens Corning, green made by Kingspan, etc.
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Extruded polystyrene (XPS) foam is rigid foam providing a strong, yet lightweight and flexible insulation solution that is resistant to water absorption, making it ideal for a range of building and commercial applications.
Extruded polystyrene (XPS) foam is rigid insulation that's also formed with polystyrene polymer, but manufactured using an extrusion process, and is often manufactured with a distinctive color to identify product brand.
Domestic and Commercial application areas for Extruded Polystyrene (XPS Foam) is as follows
The use of Extruded Polystyrene Foam insulation in commercial and residential buildings offers great flexibility, compatibility, and thermal efficiency for use in all areas of a building envelope.
Extruded Polystyrene Board is ideal for a range of uses – from wall and ceiling insulation, cool rooms & refrigeration, under the concrete slab (i.e. car park), and even for architectural modeling or hobby model making.
Extruded Polystyrene (XPS Foam) has a perm rating of around 1, making it semipermeable. Thicker faced XPS is stronger and can have a lower perm rating, but it is still considered a vapor retarder, not a vapor barrier.
Extruded polystyrene (XPS) likewise improves with colder temperatures. Its nominal R-value is 5 per inch. This is the foam you see used a lot for exterior wall sheathing. It's generally blue (Dow) or pink (Owens-Corning). Extruded Polystyrene Foam will off-gas and lose some insulation performance over time - especially below-grade and when tested in real-world applications.
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Both pink and blue xps foam insulation are rigid insulation panels made from extruded polystyrene. The chemical composition, manufacturing process, and insulating capability of the two products are similar and the principal difference between them is that they are manufactured by two different companies.
Pink foam board is manufactured by Owens Corning, and it's marketed under several different brand-specific product names, including Foamular, Propink, Thermapink, and Insulpink. Blue foam board is manufactured by Dow Chemical Co., and it's marketed under the Styrofoam brand name.
When using Extruded Polystyrene Insulation (XPS), it is very important to install the product properly, as incorrect installation or exposed areas are violations of many building codes.
Extruded Polystyrene Board vs eps insulation
Above grade Extruded Polystyrene Insulation foam acts as a vapor retarder. When Extruded Polystyrene Insulation is taped it can act as an air barrier. The manufacturers and standardized testing state that it does not absorb moisture, nor is it affected adversely by it.
Read MoreProduct Thickness (in.): 1 in
Product Thickness (in.): 1.5 in