LASTOBOND SMOOTH SEAL HT ROOFING UNDERLAYMENT is a self-adhesive membrane composed of elastomeric bitumen. This nonslip, flexible, self-sealing membrane can be used in outdoor temperatures ranging from -49°F to 240°F (-45°C to 115°C). It has an easy-to-remove silicone-treated release sheet (split-back) on the self-adhesive side.
LASTOBOND SMOOTH SEAL HT is a high performance roof underlayment used under shingles or metal roofing.
|Surface||Anti-slip plastic film|
|Underside||Silicone release film|
|Thickness||1.2 mm (47 mils)|
|Operating temperature||-49 to 240 °F (-45 to 115 °C)|
|Minimum application temperature||5 °C (41 °F)|
|Limitation / restrictions||Do not apply directly onto wood planks. Cover surface with plywood or OSB panels prior to the membrane application.
For safety purposes, verify that membrane is not dusty, wet or icy to keep its maximum anti-slip properties.
|Barcodes||Descriptions||Dimensions||Brute Area / Net||Weight|
|6 23680 00929 5||With box||0.91 m x 20 m (36 in x 65 ft)||18.2/16.6 m² (195/178.75 ft²)||22.3 kg (49 lb)|
|6 23680 00959 2||Without box||0.91 m x 20 m (36 in x 65 ft)||18.2/16.6 m² (195/178.75 ft²)||22.3 kg (49 lb)|
|Barcodes||Units per boxe||Units per pallet||Boxes per pallet||Weight per pallet|
|6 23680 00929 5||1||25||25||550 kg (1,212 lb)|
|6 23680 00959 2||36||792 kg (1,746 lb)|
Apply to clean, dry surfaces of plywood, OSB or RESISTOBOARD asphalt panels. Product can be left exposed up to 60 days under certain conditions.