Block chimney installation

Therefore, the temporary solution is better than the permanent one. So, you should follow that method for blocking your chimney. Best Wood Burning Fireplace Insert of Best Electric Fireplace Insert of For blocking your chimney temporarily, you will need to visit your roof and inspect the chimney first.

If required, ask a professional for inspecting the chimney and cleaning it before blocking it. After that, remove the chimney cap and measure all sides of the chimney. Now, wear heavy gloves and cut a piece of sheet metal as per the size of the chimney opening. Then take a bead of butyl rubber and apply it around the chimney opening. After that, place the metal piece on the chimney opening.

Compress the metal piece into the rubber bead. Then put back the chimney cap and fully close the fireplace damper. Now, measure the sides of the chimney opening below the damper.

Cut a piece of rigid foam insulation as per the measurement done. Then place the foam piece inside the chimney tightly. Take a bead of butyl rubber and apply around the sides of foam insulation.

Once the blocking is done, it will block the rain. Tags: Block a Chimney. A blocked chimney will actually allow more water into the home than it did before it was closed off. This will lead to odor, mold and water damage issues. Seasons temperature changes and weather conditions can damage chimneys in ways you may not expect! Sealing off a fireplace and chimney always collects water inside the flue. Plain and simple, DO NOT seal off a chimney or fireplace because you will get a flue full of condensation problems!

But these problems are only hidden for so long! We promise there are better ways than blocking or sealing a chimney and fireplace. Sealing off a fireplace always collects water inside the flue. Cold air coming down the flue and out of the fireplace can make a living room unlivable. There are temporary solutions to cold air coming in and out of the chimney.

Most people love their fireplace but for those who suffer a cold draft and the odor that fills the room makes the fireplace the most hated feature in the home. There are temporary steps you can take that if performed carefully will give you some short-term relief without sealing the fireplace and closing off the chimney. In the event the chimney top is blocked or sealed off, there is the concern that unsuspecting people may be unaware that smoke, heat and creosote will not exit the home and yield a very dangerous situation.

At the very least, fumes and exhaust will all come back into the home. In some cases, the build-up of heat inside the chimney and fireplace will be excessive. If a chimney can not draft, it will reach such high temperatures that will destroy glass doors, cause flames to pour into the home and overheat any combustibles in the area.

When a fireplace is used, the inside of the flue walls get coated with soot and creosote , which naturally let off gases. Be Safe. Be Smart. Do not block or seal your chimney. While making sure there is no pilot or embers active in the fireplace, a temporary drape of plastic sheeting can be taped over the fireplace opening.

This will stop easy air movement from the fireplace, help with cold hearth syndrome and odor. Never, under any circumstances seal off the top of the chimney, due to the risk of unintended use of the fireplace as cautioned above.

By keeping the cap on the chimney but sealing the fireplace, enough air can circulate to avoid unwanted condensation issues.

Blocking the chimney frequently causes more issues than it solves. Full Service Chimney has helped over sixteen thousand chimneys to be loved again by their owners.