Other pages about Selkirk twin wall flue
Selkirk flue prices
Selkirk flue introduction and information
Selkirk flue components
- information about each component, how and where it is used.
Using a roof support bracket
Using a ceiling support
Ventilating when boxing in
Selkirk flue fitting instructions
Using the Selkirk twin wall flue ceiling support
The ceiling support comes in three parts:
1 - The floor support plate - a thick heavy duty plate with a joist shield attached. The joist shield is a tube coming off the plate and points downwards when fitted.
2 - The firestop spacer - a thinner plate with a joist shield attached - this is for the ceiling downstairs and the joist shield points upwards on this plate when fitted.
3 - The clamp - a ring that clamps around the flue pipe taking the weight of the flue and bearing onto the floor support plate when fitted.
The joist shields fit together so that various thickness's of floor can be accommodated. The clamp is finally fixed to the twin wall flue using the small screws provided to fix it to the outer skin of the flue. A pilot hole needs to be drilled for the screw. The clamp is often shipped inside the joist shields - if you can't find it separate the plates to look for it.
If boxing the flue in the you must use Selkirk ventilation grilles as described here