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Usually the pilot, thermocouple or ignition. See common causes.
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Usually heat escaping through thin attic insulation.
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Home » Chimney Services » Installation » Fireplace Glass Doors
Service · A1 Chimney & Roofing
Fireplace glass doors are tempered-glass doors fitted to the front of a firebox. Closed, they keep sparks in the firebox. Open, they let you tend a wood fire. They are sized to the opening you have.

The work
The doors are measured to the firebox, framed so they seal to that opening, and installed so they still let the damper and the screen do their jobs. They do not fix a smoking fireplace. If the flue drafts poorly, doors will not solve it.
A fireplace that smokes needs the flue and the damper looked at. Start with a sweep or damper repair when that is the symptom.
Why it matters
Doors are a barrier for sparks and for the room air a cold flue likes to dump when the fireplace is idle. They are not a liner and they are not a cap.
The right doors fit the opening. A door set forced into the wrong width does not seal, which defeats the reason for installing it.
What to expect
The opening is measured, the doors and the price are explained, and installation happens after you approve them.
A1 Chimney & Roofing is a nationwide team with its own licensed and insured technicians in 27 states. The price is explained before any work starts. Homeowners have left 25,719 Google reviews with a 5.0 rating.
How it works
Online in a minute, or call the 24/7 line. We confirm your local A1 technician and a time window.
Your technician checks the chimney and the roof around it, and photographs what they find.
You get the findings, the photos and a written price. Nothing starts until you say yes.
Drop cloths down, debris hauled away, before-and-after photos sent to you.
Reviews
“A1 Chimney is different. They truly care about your chimney and want to see you get the best use out of it.
They relined my chimney and did a great job. The technician was respectful and left the work area clean.
Book online
To fit glass doors to a fireplace, call (855) 8-CALL-A1 or send the opening size for a free estimate.
Prefer to talk? Call (855) 8-CALL-A1 — we pick up 24/7.

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