The air brick however should be built out a little so that its face is flush with the existing plaster.
Blocking up a fireplace opening.
Starting at the top course chip away at the mortar with a club hammer and cold.
Wear safety goggles to protect the eyes.
You need to leave an air ventilation opening to keep from getting air pockets backing up from the top of the chimney.
Snap the board along the.
Cut a piece of 1 2 inch drywall to fit over the opening.
Make sure to purchase an.
Arrange for your fireplace to be professionally cleaned.
Measure your chimney opening and determine how much brick to purchase.
The guard is sturdy enough to stand on its own and will block any draft coming down your chimney.
For this you can use bricks lightweight building blocks or more lightweight materials such as hardboard chipboard or asbestos.
How to block off a fireplace block the chimney flue.
Cover an unused fireplace.
Laying brickwork into fireplace opening the brickwork can now be built into the opening.
You may come across metal.
Bricks remove the fireplace surround.
Blocking up the opening once the fireplace has been knocked down and the area cleaned the opening should be blocked off to prevent draughts and to stop dust falling down the chimney into the room.
Place the guard so it s flush with the opening of your fireplace.
It should be set back half an inch from the existing face of the plasterwork surrounding the fireplace.
Measure the fireplace s opening.
Apply it with a plasterer s trowel scraping it over the bricks until they are completely covered.
Since you will not routinely be.
Hold a straightedge on the drywall along the section you want to cut and score the drywall with a utility knife.
Unfold the guard and place it over the hole.
Keep the guard over your fireplace whenever you aren t using it.
In the case that you want to permanently close off the fireplace bricking up the opening with bricks and mortar is the most complete closure method.
Choose a color that is similar or complementary to the existing fireplace.