Eps In Attic

It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Eps in attic.

Let s have a look at what rigid foam is and the different types some tips on installing it and special considerations to keep in mind. Eps is also the most inexpensive of the three types of rigid foam insulation while also meeting the required building and energy codes. Expanded polystyrene insulation more commonly referred to as eps is a closed cell insulation that has been around since the 1950 s. To do that without creating soggy roof sheathing from wintertime moisture accumulation in us climate zone 6 you need a minimum of half the total r value to be on the exterior r25 in exterior foam out of a total code min r49.

According to the epa insulating the attic could save you an average of 15 of your costs for cooling and heating your house. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. In new construction the best use of eps in attics would be to put in on the exterior of the roof deck making it a conditioned attic. Eps is made of 98 trapped air and only 2 plastic making it an efficient insulator with a small amount of raw material.

Eps is by far the most versatile of the three rigid insulation options. It can be applied on the roof floor and walls and it s most widely used in structural insulated panels and insulated concrete forms.