highly reflective radiant barrier attic foil BLOCKs 95% of radiant heat gain and loss keeping home temps consistent. DIY install by stapling to the underside of attic roof rafters with staple gun.

Install a radiant barrier if the attic is prone to overheating in warmer climates. Air seal gaps around plumbing, wiring, or other penetrations to reduce air movement. Adding too much insulation ...