Bostik Aquaprufe Damp-Proofer & Waterproofer provides a highly efficient sandwich damp-proof membrane for floors - Bostik Aquaprufe Damp-Proofer & Waterproofer must be overlaid with a minimum 50mm flooring screed. It also acts as a waterproofer for walls when plastered or plaster boarded over. Bostik Aquaprufe Damp-Proofer & Waterproofer must always be covered as it remains tacky.
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