Typical Chimney Cap Size

Neither chimney nor flue liner may change size or shape within 6 in.

Typical chimney cap size.

Inside diameter inches inside area square inches 6. 100 mm unless no flue liner is used in which case a nominal 8 in. In comparison a 12 inch chimney size provides a cross section of 113 inches through which to vent smoke. Chimney caps storm collars and silicone are also in stock.

Item 39242 model sc1313l. 200 mm is required. Your custom chase cover can be made to fit perfectly on any shape or size chimney or chase top. Chimney wall thickness should be a nominal 4 in.

Set your store to see local availability add to cart. A flue that is not big enough doesn t allow enough air flow. Chimney size common venting uses. In most cases you ll pay 100 to 200 for installation.

The wrong chimney flue size is one of the main reasons for a poor draft. The cap runs 35 to 550 depending on material and size. The capacity of a chimney to remove smoke and or energy btu s from an appliance is directly related to the cross section area. Flue diameter and height requirements for category i draft hood and fan assisted appliances questions answers about size requirements for chimney flues.

If your fireplace just can t seem to get right and clouds of smoke push back into your house check the flue. If you don t see the size you need contact us. Shelter 13 in w x 13 in l black galvanized steel square chimney cap. Once you have that number you can search for a slip in chimney cap of the same size.

Chimney flue size rules. As a general rule the diameter of the chimney should match the flue collar on your wood stove. Then you can search for a chimney cap designed to fit an oval opening of those dimensions. Installing a chimney cap costs 300 on average ranging from 75 to 1 000.

Venting a wood stove. 150 mm of either floor components ceiling components or rafters. Without a chimney cap all you have at the top of the flue is an open hole. Rockford chimney supply chase covers are fabricated from 304 stainless steel 24 gauge thickness optional 22 or 20 gauge available.

You need to measure the outside length and width of your flue in order to cap an oval chimney termination. The forever cap guard liner top 8 in. Round clamp on single flue liner chimney cap in stainless steel model lc14 96 40 96 40. Round fixed stainless steel chimney cap model fgltc8 78 00 78 00.

The way wood stoves and fireplaces work a correct match on fitting the flue size to the appliance is a must.