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205 Herricks Rd

Garden City Park, NY 11040

Chimney Damper Source
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We want to help you solve your fireplace or wood stove downdraft problem.  Your source for downdraft solutions.


Chimney Top Dampers & Downdraft Solutions
So your house won't smell like smoke

Pricing and to buy online visit volkosupply.com

No more "stinky" chimney

Top sealing chimney damper options for almost any fireplace chimney flue configuration.

Free Shipping!!                      Top Sealing Chimney Dampers                      Free Shipping!!
Chimney Dampers...Lyemance Original Top Sealing Chimney Damper. 8x8 9x13 8x17 13x13 12x16 13x18 17x17 Chimney Dampers...Lock Top Fireplace Chimney Damper. 8x8 8x13 8x17 13x13 13x17 17x17 Chimney Dampers...Lock Top II Fireplace Chimney Damper. 8 x 8, 8 x 13, 8 x 17, 13 x 13, 13 x 17, 17 x 17
Chimney Damper Caps...Lyemance Top Sealing Chimney Damper and cap combo. 8x8 9x13 8x17 13x13 12x16 13x18 17x17 Lock Top damper and round RS adaptor.  Custom and air cooled pipe adaptors made to order. Chimalators... top sealing stainless steel Chim-a-lator damper. Spider damper... round stainless steel damper for insulated and air cooled pipe.
Lyemance Original Top Sealing Chimney Damper. Original Lyemance LockTop Fireplace Chimney Damper. Lock Top Lyemance Lock Top II Fireplace Chimney Damper. Lock Top II Lyemance Top Sealing Chimney Damper and cap combo. Damper Cap Lyemance LockTop and round RS adaptor. RS Adaptors Chimalators and Chimalator with flue extension Chimalators Round Spider Damper II kit Round Spider

The Lyemance Original and Lyemance Lock-Top, with their silicone rubber gasket and easy installation, are the #1 choice for top sealing dampers.

Well designed for extreme conditions these low profile dampers provide the fireplace damper fix from the most basic single flue throat damper replacement to multiple flue configurations with existing chimney caps.

Click a link for more detailed descriptions and specification on which Lyemance brand damper, including their line of damper cap combos with spark arrestor mesh options, is right for your application.

Original Video
Lock Top Video
and Installation
Lock Top Video

Need help sizing? Call 800 685 8263

What do you do when a Lyemance fireplace damper does not fit your flue size?

Round Chimney Dampers

The Spider Damper.... top sealing chimney dampers to fit round masonry flues, stainless steel chimney liners, insulated metal flues and even air cooled metal chimney pipe systems.

Spider Damper... round stainless steel top sealing chimney damper Chimalator... all stainless steel top sealing fireplace chimney damper. Sizes up to 24" x 24" &
Custom Chimney Dampers

The Chim-a-lator.... top sealing chimney damper for larger flue sizes, odd size & oval flues, flush flue applications and the popular " there is no flue, its just a hole "
100% Stainless Steel & Lifetime Warranty !!! Spider Damper
Round Stainless Steel Chimney Damper
Fireplace Dampers
100% Stainless Steel & Lifetime Warranty !!!

CLICK FOR SOME  Happy People Comments and Job pictures  

Frequently Asked Questions

What is a Fireplace damper?
A fireplace damper, usually located in the throat of a masonry chimney just above the firebox, is a device that is meant to seal your fireplace shut when it is not in use. This is necessary so that heated air from your home will not escape up the chimney when the fireplace is not being used. An open or leaky damper can add hundreds of dollars a year to your heating costs.

Why do most fireplace dampers leak?
Most fireplace dampers form a metal to metal seal which even when new allows air to leak through. Over time, as the metal plates warp due to the effects of heat and moisture, the seal worsens and more and more warm air escapes up the chimney even when the damper is closed.

What is chimney draft?
Chimney draft is that upward movement of air within the chimney that is necessary to support the efficient exhausting of flue gasses to the outside. It can be affected positively or negatively by a number of things.

What makes a Lyemance damper a great energy saving alternative to your original fireplace damper?
The Lyemance, Top Sealing damper seals with a silicone rubber gasket. When you close our damper warm air is sealed in and cold air is sealed out. This tight sealing gasket means that our damper will reduce unwanted heat loss by 90%. And, unlike replacement throat dampers, the Lyemance Dampers has a lifetime warranty.

Are there other energy advantages to replacing my old throat damper with a Lock-Top or Lyemance Top-Sealing Damper?
Since the Lyemance Damper is made of cast aluminum it can never rust. Also, it not only keeps cold air out of your house, but since it is mounted on top of your chimney rather than at the bottom, like throat dampers, it also keeps cold air out of your chimney. That means your chimney is kept warmer when you are not using it. So, if the lower part of your chimney structure is housed within the walls or living spaces of your house, those spaces will also remain warmer.

What is the difference between Lock-Top and Lyemance?
The main difference is in appearance. When the Lock-Top damper is closed, itís not very visible because the lid is pulled down onto the base. It is more visible when opened, however, the lid provides some rain protection during use. Even though animals arenít likely to try to enter the flue when itís in use, we also offer a Lock-Top II damper, which includes a stainless steel chimney cap. This cap provides greater rain protection while also acting as a spark protection.

The Lyemance damper has a lower profile and is less visible from the ground. It has a power lever that, when activated, uses leverage to force the door open in situations where there might be frost or icing of the damper. When in use, this damper will allow moisture into the chimney. However, we have a chimney cap with screen combined with this damper to prevent this from occurring. A Lyemance Damper With Cap will also prevent the entry of animals and birds while also acting as a spark arrestor.

What causes chimney fires?
Chimney fires are usually caused by the accumulation of creosote in the chimney. Creosote is a natural by-product of burning wood. It accumulates in the flue over time and is highly flammable. Creosote is especially likely to accumulate when wood is not burned at the proper temperature. Since creosote is flammable, when it accumulates on the walls of your flue, hot flue gasses can ignite it. The result is a chimney fire. Depending on the condition of your chimney, such a fire can pose a significant threat to the rest of your house. Flames from the fire can find their way through cracks in your clay chimney liner or mortar and ignite framing around the chimney. They can also spill over onto the roof and cause a fire there.



Info to help you understand how a chimney works,
and sometimes why it won't.


Some helpful info
regarding firewood do's and don'ts.   

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