Chimney Waterproofing
Crown and flashing inspected first, then a breathable vapor-permeable sealant applied to spec.
Learn moreRotted fascia, trim, corner boards, and decorative bands are a symptom — water is already getting behind the exterior. We trace the rot to its entry path, document it, then replace the failed wood and correct the flashing or seal that admitted the water, so the cause is fixed and not just the visible damage. The repaired area is sealed, painted to match, and checked against water entry, because trim that rots out again next year means the diagnosis was skipped.
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.
Sitting at the highest, most water-exposed point of the roof, a chimney's trim, fascia, and chase boards take more runoff than any wall below — so they rot first, and they rot from the back face out where you can't see it. Texas Chimney Experts probes the wood with an awl before quoting, because a single soft board is usually the visible edge of larger damage traveling along the grain. We replace what's genuinely failed, not every board, and we trace the flashing, cap, or joint that let the water in — replacing wood without closing that path is just a slower repeat of the same failure.
Doing it right means cutting back to sound material. Every rotted board is identified — not just the obvious ones, since rot travels under paint and behind trim — and removed back to wood that's solid. Replacements go in as treated or factory-primed material chosen to resist the moisture that destroyed the originals, and the existing trim profiles are matched so the chimney's lines stay true to the rest of the house.
Wood replacement only holds if the water is dealt with at the same time, so closing the entry point is part of the job. That means re-flashing or sealing the cap, crown, or joints that let water reach the wood in the first place, then priming, caulking, and detailing every seam and end-grain cut so moisture can't wick back in. New boards over an unresolved leak are just a slower version of the same failure, and we won't leave it that way.
The finish is paint-ready or fully finished to your preference, and the rotted condition and the repair are photo-documented. It's the same approach our craftsmen take in every market: replace the wood with rot-resistant material, fix the leak that caused it, and seal everything so the chimney exterior sheds water for the long haul.
At Texas Chimney Experts, a chimney exterior wood replacement 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 chimney exterior wood replacement is built on.
Chimney inspectionIdentify all rotted wood and the moisture source.
Cut out failed wood back to sound material.
Install treated/primed wood, matched to existing profiles.
Prime, caulk, and flash so water can't return.
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.
Rot-resistant treated/primed materials
Fixes the leak source, not just the wood
Matched trim profiles
Full paint-ready or finished options
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.

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.
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.
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.
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.
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.
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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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