Choosing a Chimney Flue-Top Damper - Fine Homebuilding
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Products and Materials

Products and Materials


Choosing a Chimney Flue-Top Damper

comments (0) June 1st, 2011 in Blogs
MikeGuertin Mike Guertin, editorial advisor

Pop-Up Damper (Lock-Top model)
Hinged Damper
Pop-Up Damper (Lock-Top model)Click To Enlarge

Pop-Up Damper (Lock-Top model)


The Lock-Top model shown here has a stainless-steel cap mounted to diagonal spring wire. The cap stays level as it opens and closes.

The other style has a spring-loaded pivoting cast-metal damper hinged to the frame. It’s a lower profile and isn’t as noticeable from the ground when opened. The frame, cable, and retaining bracket mount the same as with the Lock-Top model.

Pop-up damper Hinged damper
Pop-Up Damper (Lock-Top model)   Hinged Damper

I’ve used both styles of damper and have no preference. Both install and operate similarly. Prices for both models run from $150 to $350, depending on flue size. If the cable breaks on either type, the damper automatically opens. Eventually, the stainless-steel cables have to be replaced. Depending on use, this could be a couple of years or decades. I save the cable offcut when the damper is installed; plenty is left to replace cables for the fireplace of a single-story home. You also can buy cable at many hardware or boating supply stores.

Sources

All Season Control Cover www.controlcover.com/index.html

Energy Top Damper & Seal Tight Damper www.usfireplaceproducts.com/products.htm

RMR Top Damper and Chim-a-lator www.rumford.com/store/dampers.html

Read the complete article...
Installing a Flue-Top Damper
A rooftop model keeps rain outside and conditioned air inside
by Mike Guertin
Get the PDF

 


posted in: Blogs, energy efficiency, weatherizing, masonry, fireplaces and chimneys

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