Capping Off An Unused Chimney

Climb onto your roof to inspect the chimney.

Capping off an unused chimney.

Http www fixmyroof co uk videos and guides chimneys chimney capping in this video i show 3 different ways to cap off a disused chimney that does not alter. Take measurements for the length width and height of the chimney s flues. Capping a chimney off with a slab. How to close an unused chimney.

Remove the cap on the chimney. Capping a chimney off with a slab is well not may favorite at all. Then measure across your flues to find the widest point. You may need to use a screwdriver to loosen screws holding it in place.

Other helpful maintenance. If bits of brick have crumbled inside or if there is significant decay consider calling a. The bottom is even easier. Simply cut a tight fitting plug out of foam insulation and block the hole on the bottom.

Why should unused chimneys be capped. Extend the tape measure to find the total combined length of all the flues. If you decide to cap your chimney off yourself please make sure you use the correct ladder safety. These can simply be made out of a scrap or an offcut of lead beaten into the correct shape and bonded to the top of most chimney pots to effectively seal it and make it waterproof.

Place the end of your tape measure against the side of the flue which is the clay or metal tube coming out from the top of your chimney. If you are only talking a few feet of redundant flue then you ll probably be ok with fully capping after reducing the height with a single vent left in the blocked up fireplace. The rain cannot get in but it is not sealed air tight which does allow any inside moisture to slowly get out. One old and virtually free method of capping off or sealing a chimney that is generally no longer used is to make a lead cap.

Capping the flue is one of the best ways to close up the top of the chimney as it will still allow air to get in and out preventing condensation from building up.