Capping Off A Disused Chimney

Climb onto your roof to inspect the chimney.

Capping off a disused chimney.

If bits of brick have crumbled inside or if there is significant decay consider calling a. Metal disused chimney capper. You may need to use a screwdriver to loosen screws holding it in place. Capping a chimney has it s benefits if your no longer going to use it the main benefit is the thermal efficiency it will give your home.

The key to capping the top of the chimney is to install a barrier that will be moisture and tamper resistant and will not be affected by environmental factors such as snow wind and sunlight. 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. Extend the tape measure to find the total combined length of all the flues. Again mostly available in terracotta but sometimes in buff there are really two typical versions of this a plain cap which can be adjusted in height slightly on the pot to give varying amounts of ventilation depending on your preference.

Remove the cap on the chimney. Another option when capping a chimney that is no longer in use is to use a disused chimney cap which is simply a terracotta or metal disk that fits over the top of the chimney pot easily and quickly. Usually unused chimneys are capped off with a bent sheet metal covering and perhaps a wire strap or weight on the top. It will also stop any birds or insects nesting inside the chimney stack or becoming stuck and dying such a shame.

The bottom is even easier. Take measurements for the length width and height of the chimney s flues. This will cut your heating bill right down instead of heating the street. 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.

The rain cannot get in but it is not sealed air tight which does allow any inside moisture to slowly get out. Another excellent type of chimney capper when capping off disused chimneys are the metal versions with inbuilt fixing straps and a large stainless steel jubilee clip. Then measure across your flues to find the widest point.