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TRI-BUILT'= SMOOTH HT S/A UNDERLAYMENT
DESCRIPTION
TRI-BUILT®SMOOTH HT S/A Underlayment is a SBS modified bitumen membrane reinforced with a fiberglass mat.The self-adhesive underface is covered with a
split back silicone release film.The top face is composed of a non-slip plastic surface.
TRI-BUILT SMOOTH HT S/A Underlayment is used as a waterproofing membrane under metal roofing or as an eaves protection under asphalt shingles roofing
and other roofing materials.
Apply to clean,dry surfaces of plywood,OSB or asphalt panels.Product can be left exposed up to 60 days under certain conditions.
Application temperature:40 to 122 OF(4.5 to 50°C)
Service Temperature:-49 to 220 OF(-45 to 104°C)
RECOMMENDED USES PACKAGING & COVERAGE
• Metal roof underlayment for edges and details: Rolls of 3 ft x 65 ft(0.91 m x 19.8 m)covering
—Dormers approximately 195 ft2(18 m2).
—Valleys 36 rolls per pallet
—Ridges
—Vents
—Skylights
—etc.
• Eaves protection on medium to high slope roofs
PROPERTIES
TRI-BUILT'SMOOTH SEAL HT
Thickness 47 mil(1.2 mm)
Reinforcement Glass Mat
Surface Anti-Slip Plastic Film
Underface Split-Back Silicone Release Film
Roll weight 49 lb(22.3 kg)
Tensile Strength,MD/XD ASTM D1970 72.1/43.7 Ibf/in(12.6/7.6 kN/m)
Elongation at Break,MD/XD ASTM D1970 29/31%
Tear Resistance ASTM D1970 103/74 Ibf(458/329 N)
Static Puncture ASTM D5602 83.9 Ibf(373 N)
Adhesion to Plywood,75.2°F(24°C) ASTM D1970 25.3 Ibf/ft(11.5 kgf/30.5 cm)
Low Temperature Flexibility ASTM D1970 -20 OF(-29°C)
Water Vapour Permeance ASTM E96 0.04 perm(2.4 ng/Pa•s•m2)
Nail Sealability ASTM D1970 Pass
(All values are nominal)
RESTRICTIONS
•Do not apply directly onto wood planks.Cover surface with plywood or OSB panels prior to the membrane application.
•Verify for safety that membrane is not dusty,wet or icy to keep its maximum anti-slip property.
•It is not recommended to use an elastomeric bitumen membrane directly on softwood boards or on flexible polyvinyl chloride.
STORAGE
Can be stored at temperatures below 32 OF(0°C),but must be conditioned 24 hours at minimum 40 OF(4.5°C)before its use.
Keep upright at all times. MIAMI DADE COUNTY
Miami Dade 15-1123.06 FBC FL 16048-R6
TBS 1—TB Smooth HT SA Underlayment TRI-BUILTO is a registered trademark wholly owned by Beacon Sales Acquisition,Inc.,all rights reserved.
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