Custom Masonry Fireplace Build (Rumford)
Engineered to Draft, Built to Outlive the House.
Learn moreOutdoors is the harshest place to build a fire feature — sun, rain, freeze-thaw, and wind all attack it. We build outdoor masonry fireplaces and gas/wood fire features that thrive: footing sized to local freeze depth, freeze-thaw-rated masonry, a stack height and spark-arrestor cap that draws cleanly in open wind, and listed outdoor-rated gas burners with flame-sensing ignition. Crisp and plumb years later, not just on photo day.
An outdoor fireplace is the anchor of a backyard living space — and outdoors is the harshest place to build one. A fire feature engineered for an indoor environment fails fast in the open. Prime Chimney Experts builds outdoor fireplaces, fire pits, and gas fire features to thrive outdoors: weather-resistant materials, correct draft and clearance, and the listed gas and safety details that keep an open-air fire feature both legal and worry-free.
An outdoor masonry fireplace is a full chimney system exposed to the elements. We pour a footing sized for the patio's freeze depth, lay the firebox in firebrick and refractory mortar, form a smoke chamber and flue that drafts in open, windy conditions, and crown and cap the stack to shed water for decades. Because outdoor fireplaces sit under open sky, wind-driven downdraft is the classic failure — so we set the stack height and a spark-arrestor cap to draw cleanly and meet wildfire ember-screen requirements.
Gas fire features demand a different but equally exacting craft. For a gas fire pit or burner, we install a listed, outdoor-rated burner, air mixer, and flame-sensing ignition so raw gas can't pool in the pan, run and key-valve the gas supply, and set the LP regulator or NG connection to the correct manifold pressure. Burner pans get drainage weeps so they light cleanly after rain, and fire-glass or lava-rock media is sized and bedded so the ports stay clear and the flame spreads evenly. On a wood fire pit, we set a heavy-gauge ring inside a stacked-block or paver surround built to contain heat and embers.
Materials and finish are chosen for the outdoors specifically — freeze-thaw-rated masonry, exterior-grade veneer and stone, and stainless components where weather demands them — and we detail the hearth, surround, and any outdoor-kitchen tie-in to the design. The point of a premium outdoor build is that it still looks built — crisp, plumb, and intact — after years of seasons. We sequence curing and inspections, protect the surrounding hardscape, and finish the site clean.
At Prime Chimney Experts, a outdoor fireplace & fire-feature build 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 outdoor fireplace & fire-feature build is built on.
Chimney inspectionA outdoor fireplace & fire-feature build isn't a matter of opinion — it's held to published national standards. Prime 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.
In most areas — and especially wildfire-prone regions — a code-compliant ember screen is required; the spark-arrestor cap meets the local standard while still drafting properly.
Gas features use a listed outdoor-rated burner, air mixer, and flame-sensing ignition so raw gas can't pool, with the supply set to the correct LP/NG manifold pressure.
The footing is sized to the local frost/freeze depth so the masonry doesn't heave or crack through seasonal freeze-thaw cycles.
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 —Prime Chimney verifies them with your local authority having jurisdiction on every job.
Pour a freeze-depth footing; lay the firebox in firebrick and refractory mortar.
Form a flue that drafts in open wind; set the height and a code spark-arrestor/ember cap.
Install the listed outdoor burner, air mixer, flame-sensing ignition; set gas pressure; add pan drainage.
Detail veneer and surround in freeze-rated/stainless materials; coordinate any kitchen tie-in.
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.
Footing sized to local freeze depth + freeze-thaw-rated masonry and veneer
Stack height and spark-arrestor cap set to draw cleanly in open wind
Listed outdoor burner, air mixer, and flame-sensing ignition on gas features
Stainless where weather demands it; outdoor-kitchen tie-in coordinated
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.

Representative comments from homeowners we've served. We don't compose them — and we don't hide negative feedback, we fix it.
"Showed up on time, gave a clear inspection report with photos, and fixed our cap same-day. No upsell pressure."
Sara L.Plano, TX · Chimney Cap Installation"Best chimney service in the area. Written quote before work, no surprises, professional from start to finish."
Robert G.Frisco, TX · Crown Repair"Honest, professional, and reasonably priced. Highly recommended for anyone needing chimney work."
David R.Dallas, TX · Chimney Sweep"Replaced our cracked crown — they explained everything, sent insurance docs, and it's held up through 3 winters now."
Jessica M.McKinney, TX · Chimney Crown"Did the relining job on a 1970s house. Code-compliant, NFI specialist signed off. Worth every penny."
Michael T.Irving, TX · Chimney LinerThe NFPA recommends an annual chimney inspection (Level 1), with sweeping done when buildup reaches 1/8" of creosote. For active wood-burning fireplaces, that's typically once per heating season.
Our chimney inspectors hold current CSIA (Chimney Safety Institute of America) certifications, verifiable via the CSIA member directory at csia.org. We also have NFI specialists for fireplace installations.
Yes — emergency response is available 24/7 (subject to crew availability) for active water leaks, animal trapped in flue, post-fire damage, and storm damage. Same-day in most cases.
Always. We provide a written quote before any work begins, with photos of the issues we found. Final pricing depends on chimney condition and any additional work identified during inspection.
Prime Program is our annual maintenance program at $19.99/month ($240/year). Includes: annual Level 1 inspection and sweep ($248 value), priority scheduling, 10% off all repairs, and emergency response priority. Cancel anytime, no contract.
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Other services in the New Construction & Outdoor category.
Free written quote. Same-week scheduling. 24/7 emergency response when you need it.
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.
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