Vacu-Stack Stainless Steel Chimney Caps with
Adaptors for Masonry Flues
To Cure Wind-Related Draft Problems   FREE Shipping!

Does your fireplace's smoke come into your room when the wind blows? That's "back-puffing."  The Vacu-Stack chimney caps cure most wind-related fireplace backpuffing problems. For example, if you live near mountains or hills, or by tall buildings or trees, these obstacles may deflect wind down your chimney, overcoming the draft. But when wind hits the uniquely designed Vacu-Stack chimney cap, it actually increases the draft in proportion to the wind.

Vacu-Stack chimney caps eliminate wind-related problems that cause fireplace smoke to be blown back into your room regardless of what direction the wind comes from! Even if the wind blows from one direction, then another, your Vacu-Stack will cure your smoky fireplace backpuffing problems.

Made of 26-ga., 304-alloy stainless steel, the Vacu-Stack chimney caps have a lifetime warranty! Screening (or bird guards) come with each of the Vacu-Stack Chimney Caps listed in the chart below.  If you might want a copper Vacu-Stack chimney cap, call us at 888-834-7375 or e-mail us the item number of the Vacu-Stack in which you are interested in copper.

But how do you make a round Vacu-Stack fit in a square or rectangular hole, that is, a square or rectangular masonry chimney flue? With these ingeniously designed Vacu-Stack Chimney Cap Adapters! 

Each of these Vacu-Stack Chimney Caps and their Adapters ships FREE to any state in the continental United States.
 

To select the appropriate Vacu-Stack Chimney Cap and Vacu-Stack Chimney Cap Adapter, measure the inside dimensions of your masonry flue and consult the chart below. Although more than one size Vauc-Stack Chimney Cap might fit on any given size of flue, the chart below shows the optimal Vacu-Stack for each size masonry flue.
 

To attach a Vacu-Stack to a masonry flue

1. Seal the Vacu-Stack Masonry Adapter to the top of your flue with a bead of Chimney Cap Adhesive.
2. Turn the wing nut device that extends the ends of the threaded rod at the sides of the adaptor (see photo of adaptor at left) until the ends of the rod are wedged at the corners of the square or rectangular flue.
3. Then the Vacu-Stack chimney cap simply fits into the round portion of the adaptor.

Vacu-Stack Adapter

Click here to see the Vacu-Stack chimney caps for Air-Insulated Chimneys.

Inside Dimensions of Masonry Flue

Appropriate Vacu-Stack Chimney Cap and Adapter Item Numbers (Buy the Pair )

Price

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7" x 7"

Vacu-Stack VSS-6-S-ICP

$ 133.⁹⁵
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Adapter AD-6-ICP

$ 55.⁹⁵
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8" x 8"

Vacu-Stack VSS-7-S-ICP

$ 140.⁹⁵
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Adapter AD-7-ICP

$ 59.⁹⁵
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8" x 12"
and flues within theses ranges: 8" x 10" up through| 10" x 14"

Vacu-Stack VSS-7-S-ICP
 

$ 140.⁹⁵
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Adapter AD-714-ICP

$ 63.⁹⁵
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9" x 9"

Vacu-Stack VSS-8-S-ICP

$ 157.⁹⁵
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Adapter AD-8-ICP

$ 64.⁹⁵
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10" x 10"

Vacu-Stack VSS-9-S-ICP

$ 216.⁹⁵
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Adapter AD-9-ICP

$ 65.⁹⁵
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11" x 11"

Vacu-Stack VSS-10-S-ICP

$ 222.⁹⁵
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Adapter AD-10-ICP

$ 66.⁹⁵
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 12" x 12"

Vacu-Stack VSS-11-S-ICP

$ 285.⁹⁵
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Adapter AD-11-ICP

$ 71.⁹⁵
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 13" x 13"

Vacu-Stack VSS-12-S-ICP

$ 293.⁹⁵
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Adapter AD-12-ICP

$ 72.⁹⁵
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14" x 14"

Vacu-Stack VSS-13-S-ICP

$ 384.⁹⁵
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Adapter AD-13-ICP

$ 90.⁹⁵
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Flues within theses ranges: 15" x 15"
up through
 18" x 18"

Vacu-Stack VSS-14-S-ICP

$ 445.⁹⁵
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Adapter AD-14-ICP

$ 91.⁹⁵
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Chimney Cap Adhesive by Gelco

Use Gelco Chimney Cap Adhesive to attach or secure your chimney cap to the crown of your chimney. Available in 10.5 oz. cartridges that will fit most caulking guns.

Item # 13910

$ 9.⁹⁵ per cartridge

Add to Cart

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