4" Top Clamp used to secure the liner at the top of the chimney stack, above the top plate at point of termination.
Made from Galvanised steel.
Same day dispatch on all orders placed before 2pm.
Secure to the top of the liner above the top plate at the end of the stack using the bolts provided.
Download Building Regulations Document J (effective October 2010) below
(Right click link, then select "save file as..")