Code Size
AP-4200-2 1 Roll

Weather-Armor® FT³ Fleece-Top Roof Underlayment

Technical Data

Technical Data

FT³ Fleece Top Roof Underlayment

 Heavy Duty Polyester for Foam or Mechanical Attachment 
 100% Waterproof & Nail Sealable Membrane
• Tri-Bond® Patented Adhesive & Waterproofing System
• RST® Reinforced Seam Technology for Added Strength
• High Temperature Performance
• Safe-Step Fleece-Top® Surface for Added Traction
• UV Blocked with Extended Exposure Time
• Helps Stop Leaks, Ice Dams and Water Damage
30 Year Warranty


APOC Weather-Armor FT³ Fleece-Top underlayment is a state of the art, premium roof underlayment and leak barrier that is ideally suited for tile and metal roofing systems, as well as where conditions require a mechanically fastened roof system. Weather-Armor FT³ Fleece-Top utilizes Tri-Bond’s patented 3 component adhesive system and RST making FT³ the strongest and most durable underlayment in its class. Manufactured with dual reinforcements, heavy weight polyester and high tensile glass reinforcement, FT³ provides exceptional strength, durability and waterproofing capabilities. FT³ is designed for use with foam adhesives, mechanically attached systems or hybrid systems which use both foam adhesives and mechanical attachments. This highly rubberized and flexible membrane helps keep your home or building dry, providing a cleaner and healthier indoor environment.

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