Fav Faved. Our teams are dedicated to helping make the process as easy as possible and ensure you get the right materials for your needs. Do you need assistance selecting the right product?
Your product has been added to the cart. Area 3: Attic and Ceiling Insulation. This board is perforated to allow excess moisture to escape. Add Area Clear. Increase Quantity.
For the best fanfold siding underlayment available, choose the XP Series. Extruded Polystyrene. Yes No, Go to the Cart.
Click on an image for a larger view. You Save: Skip to main content. To find out more about the cookies we use, or to change your cookie preferences i. Add to My List.