There s no problem blocking up plastering a redundant fire place but you should ensure the chimney top is closed off to water ingress plus it is best practice to vent the flue space so as to avoid condensation forming.
Blocking up the chimney and fireplace.
So not only would we have an annoying vent it won t even be central within the breast which is a good 8ft wide and will be providing no useful purpose.
I ve seen sites offering.
Measure your chimney opening and determine how much brick to purchase.
Arrange for your fireplace to be professionally cleaned.
Apply a thin layer of cement to the bottom of the brick with a trowel.
If you want to permanently block a chimney the extreme solution would be to brick up the front of the fireplace or chimney breach tear down the chimney top and reroof over that.
Chimney damp will often occur if your chimney is unused and boarded up.
Before starting to brick up the fireplace or fitting the ventilation cowl have the chimney swept one last time to remove as much soot as possible and dislodge any bird nests or other debris.
We like to use the fire every now and then but most of the time all the warm air escapes up it.
The really annoying thing is is that the fireplace isn t in the middle of the chimney breast it s to one side with an old boiler and flue in the adjoining room adding some width to the breast.
Make sure that one of those bricks is an air brick to allow for ventilation in your chimney.
How to block off a fireplace block the chimney flue.
Mix your cement according to the package s directions.
If your chimney is open at the top but is not in use rainwater can travel all the way down to the bottom of the chimney stack.
There was a lot of this done to old houses probably in the era when they introduced central heat but i never hear of it anymore.
Cover an unused fireplace.
It s often chimney leaks or unwanted cold air from the fireplace otherwise known as a draft.
If there is a damper a small door where the chimney place enters the chimney leave this in the open position so as not to restrict the ventilation.
Answered 20th nov 2011 liked 32.
What s the best way to block up our chimney during cold weather.
Regardless of the motivation many homeowners often reach this conclusion.
Lay the brick on the floor of the fireplace flush with the front of the fireplace.
The easiest way to cap a chimney is to fit an appropriate ventilating cowl to the top of the chimney pot.
Since you will not routinely be.