Sewerstream™  Puddle Flange Disc 12mm Thick
 
Puddle Flanges ensure a watertight and pressure-tight seal where pipes pass through concrete walls of any structure or building.
 
Installed on pipes during construction where water penetration has to be prevented
Widely used as a radon barrier
Quick and easy fitting
Range of sizes available ‘off-the-shelf’
 
Sizes
90mm - 400mm