Weather-Tite HT is a premium high-temperature self-adhering roofing underlayment engineered for extreme durability and performance. Ideal for metal roofs and asphalt shingles, it features a high-tack, asphalt-based adhesive with a split-release liner for easy installation. The anti-slip textured top surface ensures safe and efficient application, while the robust design provides superior protection against harsh weather, extending roof life and reliability.
Weather-Tite HT is a premium high-temperature self-adhering solution that provides superior leak protection for standard roofing areas plus valleys, ridges, coping joints, chimneys, vents, formers, skylights, and low-slope sections. Exceptionally durable and pliable, Weather-Tite HT adheres to a wide variety of substrates. The split-back release film peels off easily to simplify installation, while a cool-gray surface to reduce heat build-up and a 90-day UV exposure rating for extended installation periods eases the process as well.
Compound Stability (ASTM D36): >125℃ (257℉)
Maximum Load (ASTM D2523): 4.4 KN / m
Elongation at Break (ASTM D2523): 10%
Adhesion to Plywood at 4℃ (ASTM D903): 0.92 kg/30.5 cm
Adhesion to Plywood at 23℃ (ASTM D903): 5.44 kg/30.5 cm
Thermal Stability (ASTM D1204): 3 mm
Flexibility Temperature (ASTM D1970): -29℃ (20℉)
Tear Resistance (ASTM D4073): 89 N
Waterproof Integrity of Lap Seam (ASTM D1970): Pass
Sealability Around Nail (ASTM D7349): Pass
Moisture Vapour Permeance (ASTM E96): 5.7 ng/Pa.S.M²
Slip Resistance (ASTM D1970): Pass
Weather-Tite HT features a split-back release film that peels off for easy installation. The clean, easy-to-handle, self-adhering application makes installation quick and efficient.
Calculate the exact amount of ventilation needed for a well-balanced system.
