fischer Firestop foam is a single component, self expanding polyurethane foam which has been designed to be self curing via the absorption of moisture from the atmosphere. The foam has excellent adhesion properties and can adhere to most building materials, when the foam sets it cures to a semi-rigid structure which accommodates low movement and vibration. Features High foam yield No post shrinkage or expansion CFC free propellant Effective seal against smoke Rendered, cut, painted or sanded High bond strength Good adhesion to most building materials Excellant acoustic and thermal properties Specification Contents - 750ml Applications Construction joints in walls and floors Insulating and sealing doors and windows: non-fire rated application Backfilling material only for service penetrations Filling general voids and cavities: nonfire rated application Building materials Concrete Masonry Steel as backing material Timber as backing material KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.