Description
VELUX GGU PK08 S40W02 White Polyurethane Smoke Ventilation System for Tiles (94 x 140 cm) Tiles up to 120mm they are lightweight they are lightweight Instructions: To be mixed with FlexiTec Powder Hardener 2 to 4 scoops of powder hardener per litre of Primer System can be upgraded to comply with aerodynamic smoke ventilation requirements by the inclusion of the option KFD external wind deflector A VELUX smoke ventilation window is designed to quickly release smoke and excess heat