As a heavy brush coating for roof waterproofing and the resealing of existing roofs Bostik Brushable Water proofer for roofs can be applied onto mastic asphalt, roofing felt, corrugated iron, asbestos/fibre cement, slates, lead, copper and zinc. Recommende
As a heavy brush coating for roof waterproofing and the resealing of existing roofs Bostik Brushable Water proofer for roofs can be applied onto mastic asphalt, roofing felt, corrugated iron, asbestos/fibre cement, slates, lead, copper and zinc. Recommended where the threat of frost or rain prevents the use of a water based water proofer.
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