How to seal off a chimney flue

The fireplace flue can be a major source of energy loss. Cooled or heated air from inside your home can escape through the chimney , causing your HVAC system to work harder. In this case I strongly advise you to block off the flue from below. Put a rain cap on top to keep out the elements, critters and debris, then block.

This difference causes an upward draft in the chimney , sucking warm room air around the edges of the closed flue damper.

If the chimney has been swept then it should be okay,as the others have stated a smoke test will prove the flue is clear,however that will not test the chimney for leakage. To do this you need to seal off the chimney pot and seal off the. Proper fitting for safe operation is a job for a pro.

You actually get room heat. As the pipe enters the flue behind where the mantle piece should be you should have a closure. This was ripped out by the previous owner, leaving brick work exposed and the enterance to the chimney open to the elements.

Can a 9″ wide Chimney Balloon fit in a 9. Unused open flues continually draw expensive heated air from the home causing drafts both up and down.

Flue Guru completes another reasonably priced Chimney Project in Victoria BC Area. Air Sealing a Chimney can save you over $3a year on your energy bills. You can Do-It-Yourself in a few hours for a few bucks.

Watch this video and see how. We don’t use this chimney now nor in the future and want to seal off the lower section in the basement. I am planning to place a cap on the roof to seal off the chimney top. Best chimney cap – Which is the best chimney capping method for you and product links provided. Chimney pipe is an insulated pipe not to be confused with regular flue or stove pipe.

These is nothing fancy about sealing a stove pipe to a chimney pipe, and virtually anyone with some do-it. While you do want the top cappe you should not seal it off completely. 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. 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 to seal it.

Over the winter, especially after driving rain, brown water has dripped through this cement, leaving stalagtites of a gooey matrial, and a bad stain on the ceiling of the boiler cupboard. Advice on sealing unwanted gas fire flue. The flue is about the size of a brick and appears to run up the inside of the wall to vent in the roof. I am looking for advice on how best to cover t.

Chimney balloons and chimney dampers work well, but you may want to seal your chimney for good. It only takes a few hours and $bucks. All you need now is to seal the chimney (using a closure plate) and fit the stove to the chimney liner (and add Vermiculite to the chimney if required).

Lets’s look at some of my scribblings – examples of the two most common methods of fitting your stove. Step 3: When the Chimney Balloon arrives, you inflate the Chimney Balloon into place to seal the fireplace flue. In this fireplace we get lots of debris falling in, seems to be the lining of the chimney. Find Relining A Chimney Flue. To block the mortar dust coming off your chimney wall, try this inexpensive solution: paint on a waterproofing product, such as clear Olympic Waterguard Multi-Surface Waterproofing Sealant.

Yes, that is correct - sealing the top of the unused flue is best. Many possible approaches - a stainless steel cap and mortaring a tile over the flue opening are two that come right to mind. Most homeowners never think about masonry chimney maintenance beyond the occasional flue cleaning.

But ignoring your chimney can cost you big-time. A cracked chimney crown or spalling bricks can easily cost $0to repair. An if left untreate the damage can accelerate quickly, and cost you upward of $000.

Step - Seal Chimney Cap If there are spaces, joints or openings on chimney cap, use non-flammable material to seal it off. For best , buy high refractory cement from a hardware store and confirm with the store attendants that the product is fire-resistant. Once the flue is cleane reinstall the chimney cap (if you had to remove one) and clean out the fireplace or wood stove as previously described.

My suggestion is to remove the top slab of cement to gain access to the chimney , install a top sealing damper then get some matching bricks and lay them on top of existing bricks and raise the top concrete slab a bit and go from there. That is if the flue inside is proper size to fit a damper to. The chimney crown is the cement part on top of the chimney.

The bricks go up around the tile flue liners, but at the top you need something to stop the rain and snow. The flue ventilator stops rain entry to the chimney but still allows a small amount of air passage for ventilation. You should block off the bottom of the chimney wither with a register plate or by closing the baffle at the back of your fireplace if you have one.

While the idea of a fireplace is romantic, it might be a nuisance in practice. How to Block Off a Fireplace. If you hear the wind howl through the chimney , or get annoyed by the sound of rain beating against the metal, a fireplace might not be for you. You can follow these easy steps to block off your fireplace or even to close it up completely.

Get Chimney Flue Insulation.