Blocking Up A Fireplace Opening

Wear safety goggles to protect the eyes.

Blocking up a fireplace opening.

Snap the board along the. 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. The air brick however should be built out a little so that its face is flush with the existing plaster.

You may come across metal. Apply it with a plasterer s trowel scraping it over the bricks until they are completely covered. Choose a color that is similar or complementary to the existing fireplace. A brick or stone surround first inspect the surround to ensure that it s not imitation comprising of stone or brick facings cemented to a concrete.

For this you can use bricks lightweight building blocks or more lightweight materials such as hardboard chipboard or asbestos. Since you will not routinely be. Unfold the guard and place it over the hole. It should be set back half an inch from the existing face of the plasterwork surrounding the fireplace.

The guard is sturdy enough to stand on its own and will block any draft coming down your chimney. How to block off a fireplace block the chimney flue. Measure the fireplace s opening. Closing the fireplace once the chimney has been swept clear out any debris left on the floor of the fireplace.

Make sure to purchase an. Bricks remove the fireplace surround. Measure your chimney opening and determine how much brick to purchase. You need to leave an air ventilation opening to keep from getting air pockets backing up from the top of the chimney.

Laying brickwork into fireplace opening the brickwork can now be built into the opening. Hold a straightedge on the drywall along the section you want to cut and score the drywall with a utility knife. Arrange for your fireplace to be professionally cleaned. Cut a piece of 1 2 inch drywall to fit over the opening.

Starting at the top course chip away at the mortar with a club hammer and cold. Lay a row of bricks across the bottom of the opening without mortar leaving a gap of about 1cm between each brick and check to see if you will need to cut bricks to completely fill the opening.