APOC Self-Bond 36-in x 50-ft 150-sq ft Rubberized Asphalt Roof Underlayment Item #1154728 Model #XWFE Separate user and installer reset

Separate user and installer reset buttons

Water level indicator window

FloorScore Certified and meets CHPS criteria

1 oz and 16 oz Bernzomatic Propane fuel

APOC Self-Bond 36-in x 50-ft 150-sq ft Rubberized Asphalt Roof Underlayment Item #1154728 Model #XWFE Separate user and installer resetAPOC Weather Armor SB 1 Self Bond Roof Underlayment is your premium, all purpose roof underlayment and leak barrier. Ideal for use under shingles, slate, wood shake or other steep slope roofing materials, SB 1 Self Bond underlayment is engineered with high strength reinforcement, exceptional elasticity and a non skid mineral finish. Prevents leaks from ice damming Ideal protection in valleys, eaves, rake edges, slate, and wood shake Easy and fast