Capping an unused chimney flue.
Capping unused chimney flue.
A contracter has advised us to have the two unused bedroom chimneys piped together via an inverted y type connection and then piped out through the roof.
Sealing and insulating the clay flue at the top and bottom of the stack will ensure the job will yield these desired results.
How to determine which chimney flue needs capping.
The flue ventilator stops rain entry to.
One is an inflatable balloon type product that will seal the flue.
Sealing your older unused chimney should not be a complicated task as long as attention is paid to prevention of air intrusion as well as environmental and pest control.
Write down your measurements so you don t forget them.
Unused chimneys not only waste a lot of heat they also pose a potential damp problem as well as being a cause of smoking fireplaces and stoves.
If your home is a basic one fireplace one chimney pot affair this will obviously be a simple matter but a lot of homes will have 4 or more chimney pots that serve 4 fireplaces some of which may be blanked off bricked up or unused.
Insulating the bottom of the chimney.
The fireplace flue can be a major source of energy loss.
Cooled or heated air from inside your home can escape through the chimney causing your hvac system to work.
Flue ventilators can be found on our chimney pot page.
Discussion in building started by overlandrover 14 apr 2007.
Capping unused chimneys flue ventilators uk.
Unused though they can waste a lot of heat up the chimney.
As a rule of thumb taking a common semi detached home using.
Even new cast iron dampers allow air loss.
Measure the length and width of the flue on your chimney.
Last year we had our soild fuel boiler replaced by an electric boiler.
Use a tape measure to find the length of the flue on the longest side.
How to close an unused chimney.
The technician that fitted the electric boiler cut back the flue the the ceiling filled part of the flue with insulation and then applied cement to the underside.
When used daily as they are intended to be used fireplaces can be efficient.
There are a few products you can purchase to block the chimney just above the damper.
Only one chimney is still in use for a multifuel burner one was sealed many years ago while the other two have vents into the bedrooms where fireplaces used to exist.
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.
Find the flue on your chimney which is the clay or metal tube that extends out from the top of your chimney.
