Find answers to the most common questions about insulation & ventilation.
Measure the square footage of your space and check the product’s coverage per bag. Aim for R-30 to R-60 in attics (climate-dependent).
Fiberglass batts (pre-cut) or blown-in cellulose (rent a machine at home improvement stores).
Apply adhesive foam tape around the frame or install a door sweep at the bottom to block drafts.
Yes, but ensure it’s not compressed (reduces effectiveness). Avoid vapor barriers between layers.
© 2026 RepairHome. All Rights Reserved.