Gelco stainless steel rain cap.
Gelco stainless steel rain cap.

I have been installing Gelco caps for over 25 years now and can attest to their quality. These are constructed well and have a large top cover for rain deflection. You will need to take a measurement of the exterior length and width of the flue tile(s) that you intend to install the cap(s) on; each cap size will fit a range of measurements of outside flue tile dimensions.. For example, a 12″ x 12″ cap has a fit range of 10″ x 10.5″ to 12.5″ x 13″ A lifetime warranty is available. Standard sizes are:

  • 8″ x 8″
  • 8″ x 13″
  • 8″ x 17″
  • 9″ x 22″
  • 9″ x 28″
  • 12″ x 12″
  • 12″ x 16″
  • 13″ x 13 “
  • 13″ x 17″
  • 17″ x 17″

If you need a stainless steel chimney rain cover that will absolutely keep all rain out and prevent wind downdrafts, then check out the Monsoon Cap by Mongoose Metals. Don’t forget to make sure your chimney is in good repair prior to installing your rain cap.

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