Hi Temp Roof Underlayment

It is designed to be adhered directly to roof decks or certain insulation panels prior to the application of finished roof coverings including architectural metal shingles or tile.

Hi temp roof underlayment.

Ht 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. It is available to use as flashing tape to provide a secondary water barrier. Roof underlayment high temperature lastobond pro ht s this membrane is a 40 mil thick 1 mm self adhesive waterprooing membrane made of elastomeric sbs bitumen and a trilaminate woven polyethylene surface. What is the best temperature to install a roof underlayment.

The underface is composed of a silicone split back release film. Ht is specifically designed to resist heat up to 265 f. The best time for installing roof underlayment is when the temperature is between 40 to 85 degrees fahrenheit. It can also be used under traditional shingles for superior long term weather protection.

This membrane is ideal under all types of coating. High temp roof underlayment is a great option for metal tile and slate roofs which can produce more heat than other common roofing systems. Weather armor ht also utilizes tri bond s patented 3 component adhesive system. It s not ideal to install roof underlayments when the temperature is under 40 degrees f as it won t ensure a proper fit.

Its main function is to serve as a full coverage waterproofing layer in the composition of architectural metal roof assemblies.