Blowerproof liquid creates a seamless, continuous air and vapour tight seal. Because the seal perfectly follows the contours of the substrate and in combination with the high flexibility and superior adhesion, Blowerproof liquid is the fast, flexible and durable solution for all airtight sealing.
eBay
The application process is straightforward and eliminates the possibility of mistakes and waste. For highly porous surfaces, coverage should be up to 1kg per m², while smooth and non-porous surfaces require up to 750g per m².
eBay