Expanded Polystyrene Foam Insulation Board

The standard density is 1.

Expanded polystyrene foam insulation board.

The r value of polystyrene foam board depends on its density and ranges from 3 8 to 5 0 per inch. It can be used anywhere insulation is needed. Expanded polystyrene foam board insulation 4 x 8 at menards. The blowing agent that forms the final product leaves the beads quickly enough to create thousands of small cells full of air.

Foamular 150 1 in. Csl and is the nation s largest manufacturer of block molded expanded polystyrene eps. Styrofoam is a product of extruded polystyrene while foam blocks are products of expanded polystyrene. Expanded or styrofoam insulation is a budget friendly option while extruded insulation has great water resistance and is ideal for use in areas like crawl spaces.

If a reflective surface is not desired poly laminate can be ordered on both sides. Eps is used under roofing over foundation walls and beneath siding. Other polystyrene insulation materials similar to meps are expanded polystyrene eps and extruded polystyrene xps. This case means that both materials arise from polystyrene resins but turn into sheets and blocks in different manners.

Other densities up to 3 pcf and thicknesses up to 4 are also available. R 8 expanded polystyrene foam board insulation 2 x 4 x 8. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. R 5 scored square edge rigid foam board insulation sheathing foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products choose the strength you need from 15 to 60 psi and exceptional moisture resistance.

Expanded polystyrene also referred to as eps white board and bead board has the lowest r value of the three rigid foam board insulation types but is the most economical and versatile. For over 50 years insulfoam has been enabling building professionals to construct high quality building insulation systems at a minimal cost. R 2 65 polystyrene panel insulation sheathing 6 pack model 150705 8 38 package 8 38 package schedule delivery. This is the same stuff your disposable coffee cup and is made out of and it s used to protect fragile items in their packaging.

Insulation foam boards rigid foam insulation soundproofing insulation foam board insulation existing drywall foam board insulation high temp material 4 by 8 panelling. 1632118 menards sku. It performs well as insulation for garages pole barns basements and crawl spaces. Polystyrene loose fill or bead insulation typically has a lower r value of about 2 3 per inch compared with the equivalent foam.