• Heavy Duty Reinforcement - High Tensile Strength with Tear Resistance
• Fast Application with Less Wrinkles - Saves Time and Labor
  
• Breathable Membrane - Allows the Transmission of Air Vapor while Keeping Water Out
• Use Under Roof Shingles, Tile & Other Primary Coverings
• Meets ASTM D226 

APOC Tuff-Felt Premium Asphalt Saturated Underlayments are designed and manufactured with our exclusive, heavy weight reinforcements that greatly increase tensile strength and prevent the tearing of felts during installation. Tuff-Felt products are made from a select combination of virgin and recycled wood pulp and are produced using a unique and specialized process. True-Breathe™ Technology is designed and manufactured to allow the transmission of air vapor while keeping water out. Meets ASTM D226 TYPE II, ASTM D4869 TYPE IV,  MEETS CSA A123.3-05 TYPE III, UL Classified, & Miami Dade Product Control Approved.