A one part polysulphide sealant designed to seal joints subject to movement where a tough, flexible, watertight seal is required. This sealant is easy to apply and has good adhesion to most building substrates. Has excellent durability and is paintable with alkydresin paints. Conforms to BS EN ISO 11.600 F20 HM.

Siroflex Polysulphide Sealant Buff is suitable for perimeter joints around wood and metal window and door frames.

Before applying your polysulphide sealant ensure surface is clean and dust free. Cut the cartridge seal and screw on nozzle which should be cut to required size. Gun sealant firmly into joint ensuring no air is trapped behind. Primers may be required on some surfaces.