Description
Our range of intumescent fire blocks are designed to stop the spread of fire through doors, ductwork and walls.
They provide fire resistance for up to 60 minutes when activated at 72°C and are tested in accordance with BS476: parts 20 and 22.
Construction
From intumescent material formed in slat construction encapsulated in PVC extrusions with cross sectional dimensions of 40mm x 6mm.
Size
Available from 150 x 150mm to 600 x 600mm and 150mm to 600mm diameter.
Free area 60%.