Spring Sale Square Intumescent Air Transfer Fire Block - 200mm Gift Ready [JVW8Uu9s]

Intumescent Fire Blockers provide protection against the spread of fire and hot smoke through doors, walls and ductwork. They differ from regular fire dampers in that they have no moving parts; instead they expand to many times their normal size upon exposure to elevated temperatures indicative of a fire, forming an incombustible mass which seals its aperture, preventing the spread of fire and hot smoke.

Features
- No moving parts therefore low maintenance required
- Slim Design 38mm thick
- Tested in timber doors rated up to 60 minutes
- Tested in walls and ductwork rated up to 120 minutes
- Offers approx. 60% free area
- Can also be ordered in rectangular sizes on request

Suitable for
✓ Doors at Schools, Changing Rooms, Hotels, Boiler Rooms, IT server rooms and Leisure Centres

Installation
- Suitable to install in timber fire doors, partition walls and ducts
- The product should not be used in areas of high/constant humidity 
- Gaps around the unit greater than 3mm should be fire sealed using a intumescent sealant
- You may want to cover the Fire block with a pressed steel grille cover

 
Specifications