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Fireplace Smoke Guards

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By Nelson from Fairfax VA on April 20, 2013
How do I install a 4" smoke guard with a glass door fireplace?
By Collin C. - NFI Master Hearth Professional on April 22, 2013

In most cases, there will be enough of a brick ledge behind the doors to allow the guard to be anchored. However, you will likely need to remove the door surround in order to mount the smoke guard. Removing the doors will allow access to either side of the surround and will provide the ability to anchor the shelf into position. You can then re-install the door assembly.

By Dave from Westhaven, CT on December 22, 2013
How do I know what size smoke guard I need? Should it be 4-6 or eight inch? Or, should I make the width smaller? Where do I start?
By Collin C. - NFI Master Hearth Professional on December 23, 2013

The size of the smokeguard that is needed will depend on the size of your fireplace opening and the size of the chimney flue. The fireplace opening and flue should have a 10 to 1 ratio to one another. Meaning, for every 10 square inches of fireplace opening, there should be 1 square inch of flue size. Based on that math, you should figure exactly how much the opening will be sized down using each guard.

By Dave from Manistee, MI on September 15, 2014
What if, behind the screen and doors, the fire place fire brick and melt were angled inward by about 45 degrees? Will the spring still hold?

By eFireplaceStore on September 16, 2014

Unfortunately, this product relies on at least the first course of brick depth being perfectly flat for the springs to hold properly. If there is any taper, a pair of custom mounting brackets would need to be made to hold the guard in place.

By Cate from Charlotte, NC on September 18, 2013
How do I decide which width of smoke guard I need to purchase?
By Collin C. - NFI Master Hearth Professional on September 19, 2013

Ideally, your fireplace will have a 10 to 1 opening to flue ratio. That is to say, your fireplace flue will have 1 square inch of area to every 10 square inches of opening size. If you know the size of your flue, you can use that to determine how big your opening would need to be to get to that 10 to 1 ratio. You can then determine which size smoke shelf would size down your opening to get to that correct ratio.

Wood fireplaces produce smoke as a matter of course, and these smoke guards can help to keep smoke out of your room and headed up the chimney where it belongs. Guards install quite simply in the top of the fireplace opening. A variety of widths are available to match the size of your fireplace and you have several beautiful decorative finishes to choose from so that you can decide how best to complement your decor.
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