Selleys N-Mastic Sealant – Off White – 410ml
Selleys N-Mastic Sealant – Off White – 410ml is a polybutene-based non-skinning chemical. It will stay soft and paste-like indefinitely.
Hidden lap connections between polymers, metals, wood, glass, masonry and expanded foam panels are sealed.
Cool chambers, prefabricated construction, and gasket-sealed windscreens are used to prevent draughts and water infiltration through material gaps.
Features:
- Non-hardening – provides a long-lasting seal by remaining perpetually flexible.
- Sticks to most substrates well.
- Creates a strong barrier against water vapour transmission.
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