−36% OFF
17" x 21" Chimney Cap, 304 Stainless Steel Fireplace Chimney Cover Flue Caps, with Adjustable Metal Strips, Screws & Gloves
About this product
Includes bolts and extended edgesFits flue sizes 16" x 20.5" to 19.3" x 23.6"Durable 304 stainless steel materialSturdy hood and uniform meshesEasy assembly with pre-drilled holes
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Master the Hearth
Engineered for the relentless. Your chimney's silent guardian against wind, rain, and invasive debris.
'Precision from the flue up. No compromise on draft, no mercy for downdrafts.'
— Firecraft Engineering
Subzero Integrity
Grade 304 stainless steel withstands extreme temperature shifts, from freezing winters to roaring fires.
Universal Flue Adaptation
Adjustable metal strips and telescoping fit range: 16' x 20.5' up to 19.3' x 23.6'. No custom fabrication needed.
Monsoon-Ready Mesh
Uniform welded mesh blocks embers, leaves, and small animals, while allowing zero draft restriction.
Installation time
Under 20 minutes with pre-drilled holes & included gloves
Why the 17' x 21' Stands Alone
- 01Extended Edges, Not GuessworkOversized perimeter covers irregular mortar joints and cracked clay flue tiles completely.
- 02Screw-Lock SecurityStainless bolts + pre-drilled flanges create vibration-proof hold against 70+ mph gusts.
- 03Gloves IncludedCut-resistant gloves protect your hands from sharp metal edges during roof installation.
- 04Zero Rust Guarantee304 stainless chemistry resists chimney creosote acids and coastal salt air.
⚠️ Critical fit note: measure your flue's outer clay tile dimensions, not the damper opening.
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