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ThinlinePro Fireplace Doors — Custom-Built USA

ThinlinePro fireplace doors are Stoll's ultra-slim modern door — the slimmest frame profile in our entire catalog, engineered for prefab and modern masonry where the door should nearly disappear and the firebox interior should be the focal point. ThinlinePro takes the slim-profile concept further than Cabot — frame elements as thin as 3/8" wide for the cleanest possible visual line. The result is a door that reads as glass-with-trim rather than glass-in-frame. Inside Fit configuration is the natural choice; Overlap is available for prefab installations needing edge coverage.

Why choose ThinlinePro

  • Built in the USA by Stoll Industries — the manufacturer ExceptionalFire has partnered with for over a decade.
  • Custom-sized to your fireplace opening — no standard sizes that almost-fit. Every door is built to your tape-measure dimensions.
  • 1/2" overlap, ±1/16" tolerance — ThinlinePro is engineered for precision fit with clean tight reveal.
  • Hand-verified before production. Every order reviewed by our fireplace specialists — your photo, configurator selections, and measurements confirmed before the shop builds anything.
  • 5-year warranty on the frame, lifetime on the steel, with free shipping in the continental US.
  • ThinlinePro is our slimmest-frame option — purpose-built for modern minimalist installations.

Available fits and configurations

ThinlinePro is available in Inside Fit (primary) and Overlap Fit. ThinlinePro is for modern, contemporary, and minimalist homes — and for prefab fireplaces where the customer wants the cleanest possible visual treatment. The slim profile demands precise measurement (±1/16").

Popular sizes: 32" × 26", 36" × 28", 42" × 30". Lead time: 14–21 business days standard.

Configure your ThinlinePro

Use our AI Fireplace Expert to upload a photo of your fireplace and get a personalized recommendation in 15 seconds. Or browse the full ThinlinePro configurator to pick your fit, finish, glass, handle, and mesh options.

How to measure for ThinlinePro

The measurement process is the same for every door — measure the FRONT opening of your fireplace at three points (width: top/middle/bottom; height: left/center/right) and use the smallest. See our step-by-step measuring guide for the full walkthrough including how to handle lintel bars, prefab quirks, and rough masonry.

Frequently asked questions

Is ThinlinePro good for masonry or prefab fireplaces?

ThinlinePro is designed primarily for prefab fireplaces, but works on cleanly-built masonry too.

What finishes does ThinlinePro come in?

27+ finishes across three tiers: free Powder Coat (matte black, textured black, ancient age, etc.), Artisan Premier (+$75–$150 — antique brass, brushed nickel, oil rubbed bronze), and Handcrafted (+$400+ — forged iron, burnished bronze, burnished copper).

How long does ThinlinePro take to ship?

14–21 business days standard. Most ThinlinePro configurations ship within 14–21 business days from order. Premium plated and handcrafted finishes run 4–5 weeks.

Can I order ThinlinePro with a mesh curtain?

Yes. Choose Twin Gate Mesh (most popular — swing-open like saloon doors), Single Panel Gate, Stainless Steel Mesh (+2–3 weeks lead), or No Mesh / Glass Only. Mesh sits behind the glass, so you can close glass for energy savings when the fireplace is cold and open glass + close mesh for spark protection during burns.

What's the warranty on ThinlinePro?

5-year warranty against manufacturing defects (frame welding, finish blistering, glass seal failure under normal use). Lifetime structural warranty on the steel frame itself. Standard exclusions: impact damage, abrasive cleaning damage.

Ready to configure ThinlinePro?

Browse the full Fireplace Doors collection or compare Inside Fit vs Overlap Fit to pick the right configuration. Use the AI Fireplace Expert for a 15-second photo-based recommendation.

Free shipping. Hand-verified before production. 5-year warranty. Made in the USA.

Order ThinlinePro Fireplace Doors

Browse the full fireplace doors collection to configure your ThinlinePro Fireplace Doors order. Custom-sized, made in the USA, free shipping nationwide.