Description
Butyl Strip Mastic is a flexible, self-adhesive sealing strip made from butyl rubber. It provides a long lasting, watertight seal and is ideal for sealing joints, laps, and seams in roofing and cladding systems.
Features:
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Flexible and self-adhesive – Easily conforms to surfaces for a secure seal
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Excellent waterproofing – Creates a durable, weather-resistant barrier
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Strong adhesion – Bonds well to metal, plastic, glass, and concrete
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Easy to apply – No tools or curing time needed
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Non-hardening – Remains flexible over time to accommodate movement




