Zero-Clearance Firebox Installation
UL-listed firebox installed to its listing — clearances held to the inch, Class-A venting with firestops.
Learn moreNew Construction & Outdoor · From $9,200
Custom Masonry Fireplace Build (Rumford)
A from-scratch masonry fireplace, including the tall, shallow Rumford prized for radiant heat, is engineered to draft before it's built to look good — the firebox geometry, throat, and smoke chamber are sized to the proven ratios that make it pull. We lay firebrick and refractory mortar on a reinforced code-depth footing, finish with an overhanging crown and a dedicated outside-air intake, and carry the build through permit and municipal final inspection. That sign-off is the verification a centerpiece this complex demands.
Duration
Multi-stage
Warranty
1-year workmanship
Certified
CSIA · NFPA 211
Human reply
< 2 min
Prices shown are starting estimates and may change with the condition, access, and scope we find on site. Only a written quote from an on-site visit is a price we commit to.
What is it
What is custom masonry fireplace build (rumford)?
A masonry fireplace is the one feature a home is built around, and the one most often built wrong. Get the firebox geometry, throat, and smoke chamber slightly off and you own a beautiful fireplace that smokes the room every time you light it. Masonry fireplaces — including tall, shallow Rumford designs prized for radiant heat — are built to the measured standard: engineered to draft correctly the first time and crafted in firebrick and refractory mortar to last generations.
Drafting is physics, not luck, and it's calculated. The Rumford geometry that throws heat — tall opening, shallow firebox, sharply angled covings — only works when every ratio is honored: the opening-to-flue area, the throat dimension, the smoke shelf, and a smoke chamber corbeled to a smooth, symmetric slope. The firebox is laid course by course in firebrick set in refractory mortar to spec, the smoke chamber parged smooth so it streamlines draft instead of catching creosote, and the flue sized to the opening. This is the engineering most masons skip — and the entire reason these fireplaces pull cleanly.
The build is a full system, not just a pretty face. A code-depth reinforced footing is poured to carry the mass, the steel lintel set over the opening, clay flue tile (or a listed liner) stacked and bedded plumb course by course, the chase or stack built, and a proper overhanging crown with a drip edge formed and poured so water sheds clear of the brick for the life of the chimney. In a tight modern home a dedicated outside combustion-air intake is recommended — and run where local code calls for it — so the firebox draws makeup air from outdoors rather than starving the room.
Finish is where a TCE fireplace announces itself: the firebox laid clean and true, the hearth extension built to the code-required projection, the surround detailed to the design. Because we control the structure beneath the finish, the visible work sits on something sound — no hairline-cracking firebox, no settling hearth, no crown that sheds water down the face. We sequence each stage to cure and be inspected before the next, and we pull the build permit and coordinate rough-in and final inspections.
Common signs you need this service
- You want a real masonry fireplace that throws heat, not a prefab box.
- A new build or remodel where the fireplace anchors the room..
- You want a Rumford for radiant warmth, built to the right proportions..
- An earlier masonry fireplace that smokes the room because the geometry is wrong.
Every custom masonry fireplace build (rumford) includes:
- Reinforced code-depth footing sized to carry the masonry mass
- Firebrick firebox + parged, streamlined smoke chamber sized to the flue
- Overhanging crown with drip edge + dedicated outside-air intake
- Permitted, inspected, and documented top-down build
Materials we use
Firebrick + Refractory MortarClay Flue Tile / Listed LinerSteel LintelOutside-Air Duct
Scoped from a graded inspection
At Texas Chimney Experts, a custom masonry fireplace build (rumford) is never guesswork. We scope every job from a graded, photographed inspection first — the NFPA 211 level the evidence calls for — so the work is matched to what your flue and masonry actually need, with the report to prove it. The documented inspection is the record the custom masonry fireplace build (rumford) is built on.
Chimney inspectionBuilt to code
The code your custom masonry fireplace build (rumford) has to meet.
A custom masonry fireplace build (rumford) isn't a matter of opinion — it's held to published national standards. Texas Chimney builds every job to the named codes below and documents it, so the work is provably right for an inspector, an insurer, or a future buyer. These are the universal standards; your city's permit and inspection requirements are confirmed with the local authority before we pull the job.
NFPA 211NFPA 54UL-1777UL-103HTIRC
Rumford drafting ratios
Draft in a masonry fireplace is pure geometry. Opening-to-flue area, throat dimension, smoke shelf, and smoke-chamber slope must all be proportioned correctly, and we build to those proportions so the firebox pulls cleanly from the first fire.
Overhanging crown + drip edge
Rain should shed clear of the masonry for the life of the chimney, never run down the face, which is why the poured crown is formed to overhang the brick and carry a drip edge.
Outside combustion air
Tight construction starves a firebox, and the result is a depressurized house and smoke in the room. A dedicated outside-combustion-air duct, recommended practice and required by some local codes, lets the firebox pull its makeup air from outdoors instead.
Smoke-chamber parging
Per NFPA 211 smoke-chamber practice, the corbeled smoke chamber is parged smooth and symmetric, a finish that streamlines draft and resists creosote buildup.
Codes cited are the established national standards (NFPA, UL, IRC) that govern this service. The adopted code edition, permit, and inspection requirements vary by city —Texas Chimney verifies them with your local authority having jurisdiction on every job.
Our process
How a custom masonry fireplace build (rumford) job runs.
01
Design + footing
Engineer the Rumford or traditional geometry, then pour a reinforced footing to code depth.
02
Firebox + chamber
Lay the firebrick firebox, then corbel and parge the smoke chamber smooth and symmetric.
03
Flue + crown
Stack the flue tile or liner plumb, build the chase, and form-and-pour an overhanging crown with a drip edge.
04
Outside air + finish
Run the combustion-air intake wherever required, detail the hearth and surround, then inspect.
Why choose us
Why DFW homeowners pick Texas Chimney for custom masonry fireplace build (rumford).
We've worked on 1,000+ DFW homes over 10+ years. Every job — small sweep or full rebuild — runs the same way: certified technicians, written quotes, photo reports, warranty in writing.
10+
Years experience
CSIA
Certified techs
23
Metros covered
Firebox, throat, and smoke-chamber geometry are engineered to draft properly rather than guessed at.
Rumford and traditional builds laid up in firebrick and refractory mortar to spec.
A reinforced footing, a correctly sized flue, an overhanging crown, and an outside-air intake.
Permitted and inspected, sequenced so each stage cures fully before the next one goes on.
Who we are
Texas Chimney Experts. 10+ years on DFW chimneys.
Family-owned, CSIA-certified, NFPA 211–compliant. We're the team you call when you want it done right the first time — no rotating subcontractors, no upsell pressure, no surprises. Same techs, same trucks, same standard.
CSIA Certified
Chimney Safety Institute of America
NFPA 211 Compliant
Code-compliant on every job
Owner on every job
Personal accountability, every time
1-year workmanship warranty
In writing, every job
Texas Chimney
DFW Metroplex · CSIA-Certified
NFPA 211
Code compliant
Custom Masonry Fireplace Build (Rumford) by location
Dallas, TXPlano, TXFrisco, TXMcKinney, TXFort Worth, TXArlington, TXIrving, TXGarland, TXGrand Prairie, TXMesquite, TXRichardson, TXAllen, TXCarrollton, TXDenton, TXLewisville, TXFlower Mound, TXThe Colony, TXCoppell, TXGrapevine, TXSouthlake, TXColleyville, TXKeller, TXTrophy Club, TXWestlake, TXHighland Park, TXUniversity Park, TXAddison, TXFarmers Branch, TXDuncanville, TXDeSoto, TXCedar Hill, TXLancaster, TXRowlett, TXRockwall, TXWylie, TXSachse, TXMurphy, TXFairview, TXProsper, TXCelina, TXLittle Elm, TXArgyle, TXRoanoke, TXHaslet, TXNorth Richland Hills, TXHurst, TXEuless, TXBedford, TXWatauga, TXBurleson, TXMansfield, TXMidlothian, TXWaxahachie, TXEnnis, TXKaufman, TXTerrell, TXForney, TXHeath, TXFate, TXRhome, TXHouston, TXSugar Land, TXThe Woodlands, TXPearland, TXLeague City, TXConroe, TXMissouri City, TXAtascocita, TXKingwood, TXCypress, TXSpring, TXKaty, TXFriendswood, TXHumble, TXTomball, TXRichmond, TXAustin, TXRound Rock, TXCedar Park, TXGeorgetown, TXLeander, TXSan Marcos, TXPflugerville, TXKyle, TXHutto, TXLakeway, TXBuda, TXManor, TXBastrop, TXBee Cave, TXDripping Springs, TXSan Antonio, TXNew Braunfels, TXSchertz, TXCibolo, TXSeguin, TXConverse, TXBoerne, TXUniversal City, TXLive Oak, TXLeon Valley, TXFair Oaks Ranch, TXHelotes, TXAlamo Heights, TXFloresville, TXBulverde, TXGarden Ridge, TX
FAQ
Common questions about custom masonry fireplace build (rumford).
How often should I have my chimney swept?
The standard is condition-driven, not calendar-driven: NFPA 211 ties cleaning to a measured 1/8" of creosote accumulation, and a Level 1 inspection is the way we confirm you've reached it. For a wood-burning fireplace in regular use that typically lands at once per heating season — but we measure the buildup and tell you what the flue actually shows rather than assuming.
Are your technicians certified?
Yes — and verifiably so. Our inspectors hold current CSIA (Chimney Safety Institute of America) certifications you can confirm yourself in the CSIA member directory at csia.org, and our fireplace work is handled by NFI specialists. We name the standard we inspect to so you can check the credential behind the report.
Do you offer emergency service?
Yes. We respond 24/7 (subject to crew availability) to the situations that can't wait for a diagnosis later — an active water leak into the home, an animal trapped in the flue, post-fire hazards, and storm damage. We make the system safe first, then document the cause; same-day in most cases.
Do you provide written quotes before work begins?
Always — and with the evidence attached. Before any work starts you receive a written quote backed by photos of exactly what we found and why it needs attention. Final pricing follows the documented condition of the chimney and anything the inspection turns up, not a number guessed before we've looked.
What's the Inspection Program membership?
Inspection Program is our annual maintenance plan at $19.99/month ($240/year): a documented Level 1 inspection and sweep every year ($248 value), priority scheduling, 10% off all repairs, and emergency-response priority. It's the way to keep a year-over-year record of your system's condition. Cancel anytime, no contract.
Last reviewed:
Related services
Other services in the New Construction & Outdoor category.
10+
Years
NFPA 211
Standard
CSIA
Certified
< 2hr
Response
Ready when you are
Talk to a CSIA-certified expert today.
Free written quote. Same-week scheduling. 24/7 emergency response when you need it.
Licensed & Insured Same-Week Scheduling Written Quote, Always
Emergency
24/7 Response
Active leak, animal in flue, post-fire damage, or smoke event? Real humans on the line 7 AM to 12 AM every day — replies in under 2 minutes. Tech dispatch within 2 hours during business hours, subject to crew availability after-hours.
Emergency line