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.
Capping unused chimney flue.
The flue ventilator stops rain entry to.
Measure the length and width of the flue on your chimney.
Find the flue on your chimney which is the clay or metal tube that extends out from the top of your chimney.
Insulating the bottom of the chimney.
You should cap any unused chimneys with a flue ventilator.
Write down your measurements so you don t forget them.
Even new cast iron dampers allow air loss.
How to determine which chimney flue needs capping.
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.
Capping unused chimneys flue ventilators uk.
As a rule of thumb taking a common semi detached home using.
When used daily as they are intended to be used fireplaces can be efficient.
The fireplace flue can be a major source of energy loss.
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.
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.
There are a few products you can purchase to block the chimney just above the damper.
One is an inflatable balloon type product that will seal the flue.
Use a tape measure to find the length of the flue on the longest side.
Last year we had our soild fuel boiler replaced by an electric boiler.
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.
How to close an unused chimney.
Then find the width at the widest point.
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.
Capping an unused chimney flue.
Flue ventilators can be found on our chimney pot page.
Discussion in building started by overlandrover 14 apr 2007.
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.
Unused though they can waste a lot of heat up the chimney.
