Fire blocks have a minimum fire integrity of one hour (in accordance with B.S. 476 Part 8, 1972).
Diameter: 100mm/ 125mm/ 150mm/ 200mm/ 225mm/ 250mm/ 350mm/ 400mm
Material: Galvanised Steel
Made to Order: No
Model Number: D-CVT-100/ D-CVT-125/ D-CVT-150/ D-CVT-200/ D-CVT-225/ D-CVT-250/ D-CVT-300/ D-CVT-350/ D-CVT-400
Our Intumescent Circular Fire Dampers are available in a variety of diameters ranging from 100mm diameter up to 400mm diameter. select the drop down list to see all available sizes. Fire blocks have a minimum fire integrity of one hour (in accordance with B.S. 476 Part 8, 1972).