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To apply GTEC Acoustic Sealant Foil Roll (0.60 litre capacity), use a robust gun designed for foil rolls to ensure accurate delivery of sealant and reduce waste compared to mastic guns with cartridges. This gun applied water-based sealant can be used as an acoustic sealant, resilient adhesive, decorators caulk, or intumescent mastic to seal air gaps at the system perimeter.