Model # FASC1418

Internet #203721427

The Forever Cap 14 in. x 18 in. Adjustable Stainless Steel Chimney Cap

The Forever Cap

14 in. x 18 in. Adjustable Stainless Steel Chimney Cap

$9695 /each
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Frequently Bought Together

Product Overview

The Forever 5/8 in. Mesh Spark Arrestor Cap 14 in. x 1 in. stainless steel. Superior animal proof oval hole mesh prevents creosote buildup. 21 in. x 25 in. 24 Gauge hood, 20 Gauge one piece base with built in 5/8 in., 8 in. high mesh screening. Adjustable will fit flue sizes from: 11 in. x 15-1/2 in. to 14 in. x 18-1/2 in. This cap conforms to California spark arrestor codes. Copper and custom sizes are also available.

  • 304 stainless steel
  • Lifetime warranty
  • The best way to prevent animals, leaves, rain and other debris from entering your chimney
  • The Forever Cap, nothing else even comes close

Info & Guides

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Interior Depth (in.)
Interior Height (in.)
Interior Width (in.)
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Accessory Type
Chimney Cap
Color Family
Stainless Steel
Product Weight (lb.)

Warranty / Certifications

Manufacturer Warranty
Lifetime Warranty

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Customer Questions & Answers

Are the dimensions quoted for the inside or outside of the chimney flue?

The dimensions listed for the product say that the inside of the cap is 14 by 18, but the installation guide says to measure the inside of the flue to determine the right size. If the inside of the flue is the same as the inside of the cap, how can the outside of the flue also fit inside the cap?
Asked by: Cappy
I was surprised that the cap has an interior flange that reduces the width and length dimensions of the part that fits over the flue. Basically, the 14x18 is the outside dimensions. The opening is actually about 12 x 16 since there is a 1" flange inside the cap. It might be a 3/4" flange now that I'm remembering it. Anyway, I had to use a grinder to modify the interior flange so it would fit over my flue.
Answered by: Bingster
Date published: 2016-11-09
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Customer Reviews

14 in. x 18 in. Adjustable Stainless Steel Chimney Cap is rated 4.0 out of 5 by 12.
Rated 5 out of 5 by from The chimney cap arrived quickly. It was everything the description mentioned. It is VErY well c... The chimney cap arrived quickly. It was everything the description mentioned. It is VErY well constructed. And, it fits like a glove. It took less than 15 minutes to install.
Date published: 2016-10-25
Rated 5 out of 5 by from Best choice / Quality and Value I decided to order this product from Home Depot because they were the cheapest and they offered free shipping It is well built, looks sturdy and fits perfectly on top of my fireplace. I would recommend this item without a doubt Look at the pictures and the work done...
Date published: 2013-08-13
Rated 3 out of 5 by from Pretty nice but needed modification The bottom of the chimney cap has the 14 x 18 dimensions but included in the interior is a 1" flange that makes the dimensions of the opening equal to 12 x 16. My chimney flue is 13 x 15 so I had to use a grinder to enlarge the width of the cap opening by 1" so I could put the cap over the flue. I used the grinder to reduce each interior flange on the width by 1/2". The bolts furnished with the cap were too short so I had to go to the Home Depot to get longer replacement stainless steel bolts. Then I was able to mount the cap on my fireplace flue and it looks very nice. I can recommend this product with a qualified "yes"; in my case it was necessary to have a grinder to do some on-sght modifications. Also, I needed to buy some replacement stainless steel screws.
Date published: 2015-10-21
Rated 3 out of 5 by from Waiting for the first good windstorm HD's info on fitting this thing is garbled. Here's what I found: The inside of the lower section is 19 3/8 long and 14 7/8 to 15 wide, so the outside of your flue has to be smaller than that. Inside this section, about 1 3/8 from the bottom, is a horizontal flange about 1 3/16 to 1 1/4 wide. You can sort of see it in the picture. The opening inside this horizontal flange or shelf is 17 long and 12 3/8 to 12 1/2 wide. Ideally, the inside of your flue opening should be the same or smaller than that, because most codes say that you can't have any constrictions. Check with some expert, which I am not. The flange or shelf is not particularly impressive as to its rigidity and apparent strength, so you would probably be better off if the outside of your flue sat on the outer half of the flange. Metal thickness throughout is just about at minimum so I'm not sure how these set screws will hold in a storm.
Date published: 2015-10-01
Rated 4 out of 5 by from stainless steel chimney caps I priced a similar product from a local fireplace store and the home depot chimney caps were about 25% less expensive. I'd recommend this product to anyone looking for reasonable quality and price on a stainless steel chimney cap.
Date published: 2016-01-06
Rated 5 out of 5 by from Great caps The caps were easy to install and look great. Would recommend the stainless steel caps.
Date published: 2015-12-22
Rated 3 out of 5 by from 14 in. x 18 in. Adjustable Stainless Steel Chimney Cap Nice stainless, just flemsey. When you tighten the set screws the body actually flexes out instead of staying stationary and square. The bottom of frame where the set screws are needs to be more ridged/sturdy. Other than that, not to bad of a product. Could be better!
Date published: 2015-04-08
Rated 4 out of 5 by from Great product! Fit fine, looks good! Came packaged nicely and in a timely manner.
Date published: 2015-02-20
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