R20 Foam Board Insulation, 1 day ago · Owens Corning® FOAMULAR® extruded polystyrene (XPS) insulation is a closed-cell, moisture-resistant rigid foam board with excellent long-term stable insulating performance and durability. Choose FOAMULAR® NGX® 250 XPS insulation for multiple applications. FOAMULAR® XPS is the right insulation for a wide variety of exterior and interior applications for commercial and residential projects. It is designed for the insulation of walls above and below the foundation and under the foundation slabs. Designed for interior or exterior applications, it offers excellent moisture resistance and durable 25 PSI compressive strength. Foam boards -- rigid panels of insulation -- can be used to insulate almost any part of your home, from the roof down to the foundation. . It features a square edge for ease of installation and is perfect for both commercial and residential use. R-Value is a measure of insulation’s ability to resist heat traveling through it. The higher the R-Value the better the thermal performance of the insulation. FOAMULAR NGX 250 R-20 XPS Foam Board, 4x4x8 Square Edge High-performance extruded polystyrene (XPS) foam board with R-20 insulating power in a 4-inch thickness. Owens Corning FOAMULAR NGX 250 Extruded Polystyrene (XPS) insulation is a closed-cell, moisture-resistant rigid foam board well suited to meet the needs of a wide variety of building applications. Owens Corning® FOAMULAR® NGX™ 250 insulation offers all the performance and ease-of-use you expect from Owens Corning® FOAMULAR® insulation with industry-leading sustainability. Get free shipping on qualified R20, Owens Corning Foam Board Insulation products or Buy Online Pick Up in Store today in the Building Materials Department. With dimensions of 4 inches thick, 2 feet wide, and 8 feet long, this insulation board offers a compressive strength of 25 PSI. Description The Sopra-XPS 30 from Soprema® is a high-performance, rigid insulation made of extruded polystyrene. It enjoys an excellent long-term thermal performance (R-5 per inch), exceptional water, moisture and mould resistance. Get free shipping on qualified XPS, R20 Foam Board Insulation products or Buy Online Pick Up in Store today in the Building Materials Department. This includes both above-and below-grade residential and commercial applications, such as cavity wall, precast concrete, foundation wall, under slab, and other insulation uses. Owens Corning FOAMULAR NGX F-250 R- 20 , 4-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation Item #5639862 | Model #3JNGX 0 Get Pricing & Availability Find durable foam board insulation that delivers high-performance thermal protection. They are very effective in exterior wall sheathing, interior sheathing for basement walls, and special applications such as attic hatches. Fiberglass, spray foam, mineral wool, rigid foam & more — with costs, thickness, and recommendations. Recommended Home Insulation R–Values Insulation levels are specified by R-Value. Get free shipping on qualified R20, Water Resistant Foam Board Insulation products or Buy Online Pick Up in Store today in the Building Materials Department. FOAMULAR® 250 Extruded Polystyrene (XPS) Rigid Foam Insulation is a closed cell, highly moisture-resistant rigid foam board well suited to meet the insulation needs for a wide variety of residential and Product Overview Boost the energy efficiency of your building with Owens Corning R-20 FOAMULAR NGX Extruded Polystyrene Foam Board Insulation. Insulation materials run the gamut from bulky fiber materials such as fiberglass, rockwool, cellulose, and natural fibers to rigid foam boards to sleek foils. Its durable design May 7, 2026 · Compare R-values for all insulation types with our complete chart. Bulky materials resist conductive heat flow in a building cavity.
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