Top Plate is usually fitted at the top of the chimney stack and is constructed to allow the liner to pass through it. Use in conjunction with top clamp and top sleeve.
Made from galvanised steel.
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Once you have cut the liner at the top of the chimney stack, slide the plate over the liner at the point of termination. The plate should now lay on the top of the chimney stack. You will also need a top clamp (purchased separately) to secure the liner above the plate. If you are fitting a terminal, remember to leave approximately 4 inches of liner above the plate so it can be secured. Once the liner has been secured, flaunch the top plate and clamp with sharp sand and cement.
Download Building Regulations Document J (effective October 2010) below
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