Code Size
AP-4300-2 1 Roll

Weather-Armor® HT³ High Temp Premium Roof Underlayment

Technical Data

Technical Data

HT³ High Temp Premium Roof Underlayment

• Ideal for Applications under Metal, Tile & Other Roof Systems
• Protects Against Wind Driven Rain & Water Intrusion
• Protects Against Ice & Water Dams
• Protects Against Spread of Fire
30 Year Warranty

APOC Weather-Armor HT³ is a state of the art, premium roof underlayment and leak barrier for use under metal, tile, shingle and slate roofing systems. Weather-Armor HT³ is manufactured using  high melt bitumen, a high performance cross-laminated polypropylene surface and highly flexible rubber polymers. These ingredients optimize performance in hot climates and under high heat conditions. HT³ is specifically designed to resist heat up to 265 °F. Weather-Armor HT³ also utilizes Tri-Bond’s patented 3 component adhesive system. HT³ is the strongest and most durable underlayment in its class and provides an ideal substrate when installing metal, tile, shingle, slate and other roof systems. This high performance waterproof membrane helps keep your home dry providing a cleaner and healthier indoor environment to live in.