The Dow Corning yellow, 500ml is one-component high performance expanding polyurethane foam. This product is composed of polyurethane. It cures to form a tough resilient and long-lasting semi-rigid cellular structure.

Flexible applicator nozzle allowing application through 360°
Fast curing
Surface can be cut, sawn, sanded and painted or plastered over once cured
Gives effective insulation against damp and draft and is completely waterproof
Self-moulding to surface irregularities
Compatible with most common construction materials

Insulation of door and window frames
Supporting good brick work and mortar
Fills pipe entries through brick work and walls
Expands to fill seal voids and cavities

THIS IS THE GENERAL PURPOSE, ALL DIRECTION FOAM; NOT THE FIRE RATED PRODUCT. - This is not a fire rated product. It is a high performance, polyurethane foam that seals, fills, bonds and insulates most construction materials. Its flexible applicator nozzle allows application through 360 degrees. The Fire Rated Foam product we supply RS is your code 447-9719 .