These gaf leak barrier products stop water and ice from penetrating through your asphalt shingle roof Leak barriers are placed not only along the eaves, but also in valley, at rakes, and around chimneys. Install them to protect your home from roofing leaks.
Protect Roofs with GAF StormGuard Leak Barrier | GAF Roofing
Leakbarrier® bg700 is suitable for installation to a variety of substrates and conditions
The product, ambient, and substrate temperatures.
The best roof underlayments shed moisture and prevent leaks while maintaining a barrier between the roofing material and decking See our list of top picks.
