Description

APOC 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 installation
  • Self adhesive membrane with release liner