About Chimney Thimble If you wish to install a wood stove or replace an insert, you’ll need to have a thimble installed on your walls. You’ll normally find thimbles installed in brick or stone chimneys at a height of 5 feet above the ground. This is installed at a 90-degree angle and serves the important function of accommodating the stove pipe.
How to install a chimney thimble?
When installing a chimney thimble with your chimney , you will need to use a high temperature cement on the outside of the thimble. Prepare your cement per the instructions on the bag. Using a trowel mix the cement with water in bucket. Check with your local home improvement store for a ready mix cement or one that will dry faster.
What is a chimney thimble port?
One of the most common discoveries that historical homeowners often come across is a chimney thimble port; a circular hole in the wall used to house a thimble. The thimble enters the flue inside the chimney and is designed to accommodate a stovepipe.
Do I need a tee connector for my Chimney?
Not all installations require a Tee Connector, but if yours does, it doesn't get any easier than this. When a Tee is needed and the masonry chimney has little or no offsets, connect the Tee Body to the bottom of the liner with the attached clamp, the Tee Cap should be attached to the bottom of Tee Body.
What is the criteria for installing the insulated wall thimble?
The criteria for installing the Insulated Wall Thimble is in accordance with the N.F.P.A. 211 (Standard for Chimneys, Fireplaces, Vents and Solid Fuel Burning Appliances) and building codes, and should be UL Listed.
What is the requirement for thimbles installation into a masonry chimney?
Things You'll Need The thimble is the round opening that can be found in a brick or stone chimney about five feet above floor level. The thimble enters the flue inside the chimney at a 90 degree angle and is designed to accommodate the entry of a stovepipe from a wood stove.
What is a chimney thimble?
One of the most common discoveries that historical homeowners often come across is a chimney thimble port; a circular hole in the wall used to house a thimble. The thimble enters the flue inside the chimney and is designed to accommodate a stovepipe.
How do you seal a chimney thimble?
Lay a bead of cement, onto the end of the Thimble that butts against the masonry chimney. (See Figure 7) The cement will act as an adhesive and also seal the Thimble tightly to the masonry chimney should there be uneven surface. If the masonry chimney has a smooth surface the Cement will not be required.
Does a wood stove chimney need a cap?
Without a chimney cap in place, all manner of debris can build up in your chimney. With the risk of the flue becoming blocked, leading to smoke and carbon monoxide back drafting into the home. Or When you light your first fire of the season, that debris can go up in flames and wind up catching your house on fire.
Do I need a wall thimble for wood stove?
Wall thimbles are an important component for venting stoves and other appliances since the thimble will insulate between the pipe and the wall, to protect drywall, wood frames and other materials from high temperatures and risk of fires.
How do you install a thimble on a chimney wall?
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What does a wall thimble do?
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Should a chimney be sealed?
Sealing a Chimney Causes More Problems Than it Solves. Plain and simple, DO NOT seal off a chimney or fireplace because you will get a flue full of condensation problems! Even when your fireplace is blocked off airtight you'll still end up with “hidden” water issues. But these problems are only hidden for so long!
What do you put around a flue pipe?
1:112:57Flue stove pipe sealing with everbuild fire cement - YouTubeYouTubeStart of suggested clipEnd of suggested clipTool by the by the chimney sweep so what you got to remember is and when it does move the chimneyMoreTool by the by the chimney sweep so what you got to remember is and when it does move the chimney will the actual pipe will move.
Is a chimney cowl necessary?
Chimney cowls are some of the most useful chimney accessories you can get, and though not essential, they are necessary for protecting the home and making the most of your wood burner.
How do I stop the wind from blowing smoke down my chimney?
Wind Noises A chimney balloon and a flue blocker are two fast and easy solutions. A chimney balloon is placed inside the chimney and is then inflated. It gets rid of the noise, keeps the cold air out and the warm air inside. A flue blocker works in the same way, except it's easier to install than the chimney balloon.
Why doesn't rain come down my chimney?
Most chimney crowns have angled surfaces designed to divert rain off their surfaces and away from the chimney. If the crown sustains any type of physical damage from severe weather, flying debris, or wear and tear over time, it may fail to prevent water from entering the flue.
How much clearance does a thimble need?
Insulated Wall Thimbles are designed so the thimble assembly will reduce the minimum 18 inch clearance to combustibles, to a minimum of at least 2" clearance. You should pack insulation snugly against the outside box frame of the thimble, but never place insulation into the area within the thimbles's cylinder.
Why are thimbles important?
Wall thimbles are an important component for venting stoves and other appliances since the thimble will insulate between the pipe and the wall, to protect drywall, wood frames and other materials from high temperatures and risk of fires.
Why do chimneys have fires?
A major cause of chimney related fires, is failure to maintain required clearances (air space) to combustible materials. It is of utmost importance that the Insulated Thimble be installed only in accordance with their instructions.
What is an insulate wall thimble?
Running any residential or building heating appliance, burning gas, liquid, or solid fuels through a combustible wall, will require an Insulated Wall Thimble as your passageway to connect appliances to interior or exterior masonry chimneys.
How much clearance do you need for a single wall stove?
Single wall stove pipe, going from the stove to the chimney must have a minimum of 18" clearance to combustibles. 180 degree heat shields are available for single wall pipe, to reduce clearances to 6" for walls and 9" to the ceiling.
What is a thimble in a chimney?
The thimble enters the flue inside the chimney and is designed to accommodate a stovepipe. If the homeowner no longer uses the wood-burning stove, the pipe is removed, and the thimble port is covered over by drywall, wallpaper, or a pie-plate cover.
What happens if you don't have a lining on your chimney?
If there’s no lining due to the flue, then a new one needs to be installed. Otherwise, there’s a possibility that the pie-plate will overheat.
What is a thimble port?
One of the most common discoveries that historical homeowners often come across is a chimney thimble port; a circular hole in the wall used to house a thimble. The thimble enters the flue inside the chimney and is designed to accommodate a stovepipe. If the homeowner no longer uses the wood-burning stove, the pipe is removed, and the thimble port is covered over by drywall, wallpaper, or a pie-plate cover.
Is a thimble hole in a chimney dangerous?
Thimble ports are hazardous. Unused thimble holes in chimneys are as dangerous as any breach in the chimney’s structure. Removing a previously existing stovepipe allows creosote to collect in the thimble that eventually ignites and spreads to the surrounds studs.
How much air space is needed between masonry chimneys?
The minimum air space clearance between exterior masonry chimneys (which have the chimney completely outside the exterior wall of the building, excluding the soffit or corice area) and combustible material shall be at least 1 inch. Do not fill any required clearance space with insulation or any other materials.
How much clearance do you need for a chimney liner?
That is where the insulated liner comes in. It makes the installation zero clearance. You must maintain at least a 2 inch air space clearance between interior masonry chimneys (which have any portion of the chimney located within the exterior wall of the building) and combustible materials.
Does clay liner need insulation?
The existence or condition of a clay liner has absolutely nothing to do with the insulation requirement for a stainless liner. It all has to do with the clearance to combustibles. In this case it is insulated so it doesn't matter but i just thought i should clear that up. jono6716 said:
What is the best chimney liner?
A. Stainless will always be the best option when it comes to performance, durability, safety and cost.#N#A stainless steel chimney liner that is properly sized, for the stove, furnace, or fireplace will maintain or improve the venting performance (draft). If going to a Smooth Wall liner, it will additionally improve your draft by up to 20% for gas and up to 15% for oil burning appliances.#N#Our stainless chimney liners are primarily used to upgrade and repair existing chimneys. These liner systems are U.L. tested and listed, and if properly installed and maintained are extremely safe and durable. Stainless steel is suitable for wood burning, gas, or oil applications. The liner protects the house from heat transfer to combustibles while being installed in a masonry chimney. In the NBS tests, unlined chimneys allowed heat to move through the chimney so rapidly that the adjacent woodwork caught fire in only 3 1/2 hours.
How thick is insulation for a flue?
Having 1/2" thick insulation will maintain your liner to the UL1777 standard. Q.
Do you need a tee connector for a chimney?
Not all installations require a Tee Connector, but if yours does, it doesn't get any easier than this. When a Tee is needed and the masonry chimney has little or no offsets, connect the Tee Body to the bottom of the liner with the attached clamp, the Tee Cap should be attached to the bottom of Tee Body.
Can you use a round flue liner on a fireplace?
A. Probably not, most everything can be installed with a Round liner, with the exception of some liners for fireplaces. Larger is not necessarily better when it comes to your flue liner. Too large will give you a slow draft and poor performance, and too small will restrict the draft.
Is stainless steel a good liner for a chimney?
tested and listed, and if properly installed and maintained are extremely safe and durable. Stainless steel is suitable for wood burning, gas, or oil applications. The liner protects the house from heat transfer to combustibles while being installed in a masonry chimney.
Is stainless steel chimney liner corrosion resistant?
An affordable alternative to repairing or rebuilding the chimney and much easier to clean. Lifetime Warranty because the stainless steel liner is a corrosion resistant liner you can expect the liner to last a lifetime, virtually maintenance free. Q.
