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Premium Air&Vapour Membrane vapour barrier mastic for sealing windows from inside

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Product description
PENOSIL Premium Air&Vapour Membrane is a fibre-reinforced ready-to-use vapour barrier mastic for sealing window and door joints from inside. When dry, forms an elastic, air-tight and water vapour-resistant layer. Apply two layers.
Cleanable with water
Cleanable with water
Thermal insulation
Thermal insulation
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