IMPERFLEX (S) membranes are made by saturating and coating a reinforcement core with a homogenous thermoplastic blend of SBS (Styrene-Butadiene-Styrene), distilled bitumen and stabilizers. The elastomeric compound is carefully produced under controlled conditions to ensure its thermal stability at atmospheric temperatures and flexibility at very low temperatures. IMPERFLEX (S) membranes are impermeable to water, very flexible and easy to work around contours and protrusions.

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