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Fireplace Glass Door Installation in Seattle, Tacoma & Everett
Tempered-glass doors measured and fitted to your fireplace opening: less heat up the flue, no sparks on the rug. Free quote, same-day often available.
- Free 2nd-opinion quotes
- Price match + 10–25% discount
- Same-day service often available
Request a Free Fireplace Glass Door Installation Quote
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Fireplace glass doors are a tempered-glass and metal frame assembly that mounts over the opening of a wood-burning fireplace. Closed, they slow the flow of heated room air up the flue when the fire is dying or the fireplace is idle, and they keep popping embers inside the firebox. Open or partly open during a fire, they give you the flames and the radiant heat. Fireplace glass door installation is the service of measuring your opening, choosing a door that fits it and the way you burn, and mounting it so it seals and stays put.
This page is for homeowners who are tired of a cold draft from the fireplace, have children or pets near an open hearth, want a cleaner look than a screen, or are finishing a fireplace repair and want to protect the work. It covers masonry fireplaces and factory-built fireplaces, which take different doors. It does not cover the doors on gas fireplaces or inserts, which are part of the sealed unit and are handled on our gas fireplace pages.
Call 206-453-2045 for a free quote. We measure on the visit, show you the options, and install across Seattle, Tacoma, Everett and the road-accessible Puget Sound.
Symptoms
Signs you need fireplace glass door installation
- Cold air flows from the fireplace opening whenever the fire burns down
- Embers and sparks have landed on the hearth rug or floor
- Small children or pets can reach the open firebox
- Existing doors are warped, missing glass or no longer latch
- Fireplace screen is bent, rusted or does not cover the opening
- Ash and soot blow into the room on windy days
- You want to burn with the doors closed overnight without worrying about stray sparks
Common causes
- An open fireplace has nothing between the room and the flue when the damper is open
- Old doors were sized by eye and never sealed against the masonry
- Frames on older doors rust or warp from heat and rain down the flue
- Factory-built fireplaces were sold without doors or with a door that has since broken
- Glass on a previous door was not tempered for fireplace use and cracked
How It Works
Our fireplace glass door installation process
We measure the opening's width, height and depth and check whether the face is flat, arched or uneven brick, since that decides whether a stock door or a custom-sized frame is needed. On factory-built fireplaces we read the rating plate to confirm which doors the manufacturer lists for that model. We check the damper works, the lintel is sound enough to hold a frame, and the hearth extension has room for the door to swing. We also look up the flue and recommend a sweep first if it is due.
Free measurement and quote
We measure the opening and hearth, identify the fireplace type, and quote door options in writing with frame finish and glass style.
Choose the door
You pick from stock-sized doors for standard masonry openings, custom-sized frames for odd openings, or the doors the manufacturer lists for a factory-built fireplace.
Prepare the opening
We clean the face of the fireplace, check the lintel and brick, and confirm the damper and firebox are in shape to burn with the doors installed.
Mount and seal the frame
The frame is anchored into the masonry or the unit's door channel, squared, and the gap between frame and fireplace is sealed with high-temperature gasket so air cannot bypass the doors.
Adjust and walkthrough
Doors are aligned to close evenly and latch, the air-control vents are set, and we show you how to burn with the doors open, closed and cracked.
Options
Repair and service options
Doors differ in how they fit, how they open and how they look:
- Stock masonry doors: ready-made frames in common sizes for rectangular masonry openings. The least expensive route when your opening is standard and flat-faced.
- Custom-sized masonry doors: frames built to your measurements for arched, oversized or uneven openings, with an overlap or inside-fit frame as the face requires.
- Factory-built fireplace doors: doors the manufacturer lists for that specific model, which mount in the unit's door channel and preserve the airflow the firebox was designed for.
- Bi-fold or cabinet-style doors: bi-fold panels slide and fold for a wide opening; cabinet doors swing open like a pair of small doors and give a cleaner closed look.
- Mesh behind the glass: a mesh curtain or mesh panels let you burn with the glass open while still catching sparks.
We will tell you which door the fireplace can take and which is the best value. Free quote, and we price match any written quote plus 10–25% off.
Pricing
What affects the price
- Stock size versus custom-sized frame
- Masonry fireplace versus factory-built unit needing a listed door
- Opening size and whether the face is flat, arched or uneven
- Frame finish and glass style
- Bi-fold versus cabinet doors, with or without mesh
- Condition of the lintel and masonry the frame anchors to
- Whether a sweep or firebox repair is needed before the doors go on
Every chimney is different, so you get a written quote after we look at the system. Ask about our price match and free second-opinion quote.
Safety & Seattle Conditions
Safety considerations
Only tempered glass made for fireplace doors belongs in front of a fire; ordinary glass can shatter from the heat. Doors should never be closed tight on a roaring fire in a masonry fireplace unless they are designed for it, because trapped heat can crack the glass and overheat the frame. We set the doors up and explain how to burn with them.
Glass doors are not a substitute for a working damper, and they are not a substitute for sweeping; a flue full of creosote is just as dangerous behind a closed door. On factory-built fireplaces, only doors listed for the model should be installed, since the wrong door changes the airflow the unit was tested with. NFPA 211 recommends an annual inspection of every fireplace and chimney.
Seattle & Puget Sound conditions
Glass doors earn their keep in this climate because the heating season is long and damp rather than bitterly cold. Seattle sees about 60 days a year that touch 32°F but only about 4 that stay below freezing all day, so most winter days are a cool, wet 37°F-or-so with the fireplace idling between fires. That is exactly when an open fireplace pulls the most heated air out of the house, and exactly when a closed set of doors pays off.
Moisture matters to the doors themselves. With 40.34 inches of rain a year on the Sea-Tac normals and about 73% of it October through March, a fireplace without a cap takes water straight down onto the damper and door frame, which is why we check the cap and damper before we mount a new door.
Our Work
Fireplace Glass Door Installation in action
Want a warmer room and a safer hearth? Get fireplace doors fitted right.
Free quote, price match plus 10–25% off, same-day service often available. If you're not happy, we're not done. Call 206-453-2045.
☎ 206-453-2045 Request a QuoteQuestions
Fireplace Glass Door Installation FAQ
Do fireplace doors really reduce heat loss?
Yes, mostly when the fire is dying down or out and the damper is still open. An open fireplace lets warm room air rise up the flue continuously; closed doors slow that to a trickle. They do not make a masonry fireplace into a furnace, but they stop it from working as an open window in the roof between fires.
Can I burn with the glass doors closed?
On most masonry doors, burn with the doors open or cracked while the fire is going strong, then close them as it burns down to coals and overnight. Some doors and most factory-built fireplace doors are designed for closed burning. We tell you which you have and set the air vents accordingly.
Will doors fit an arched or oddly shaped fireplace?
Usually. Arched, extra-wide and uneven openings take a custom-sized frame built to our measurements, often with an overlap frame that sits on the face of the brick. It costs more than a stock door, but it seals properly. We measure on the free quote visit and show you what the options look like.
Do I need doors made by the fireplace manufacturer for a prefab fireplace?
For a factory-built fireplace, yes. Those units are tested with specific doors, and installing a door not listed for the model can change airflow and overheat the firebox. We identify the model from the rating plate and install a door listed for it. Masonry fireplaces have no such restriction.
Are glass doors a replacement for a damper?
No. The damper closes the flue; doors close the opening. You want both working, because doors alone still leave the flue open to rain and cold air. If your damper is stuck or does not seal, our chimney damper repair page covers that, and we can do both on the same visit.
How do I keep the glass clean?
Burn dry, seasoned wood and let the fire get hot enough to burn off the haze. Clean the glass only when cold with a cleaner made for fireplace glass, not an abrasive. Heavy black buildup on the glass usually means wet wood or a smoldering fire, which also means creosote in the flue.
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