Masonry & Waterproofing in St. Louis, MO
- What's included: tuckpointing/repointing, crown repair or rebuild, brick replacement, and breathable water-repellent sealing as recommended after inspection.
- How fast: most tuckpointing and crown jobs are completed in a half to full day; full partial rebuilds may take longer and are scheduled after an on-site look.
- What it costs: ballpark ranges below, with a $150 minimum; exact price confirmed during a free on-site visit.
- What we take: chimneys with cracked crowns, spalling brick, eroded mortar joints, or water intrusion through the masonry.
- How to book: call (314) 207-3281 to schedule an on-site assessment of your chimney's exterior condition.
St. Louis weather is hard on chimney masonry. The wet-then-freezing cycles that roll through neighborhoods like Soulard, Benton Park, and Lafayette Square push water into hairline mortar gaps, then expand it into ice that pries brick faces loose. On the older brick stock common in Compton Heights, Shaw, and the rowhouses near Tower Grove South, you'll often see spalling (brick faces flaking off) or open joints near the crown — both clear signs the masonry needs attention before water reaches the flue and firebox. Waterproofing with a breathable, vapor-permeable repellent is the finishing step: it sheds rain while still letting trapped moisture escape, which matters on the dense century-old brick found throughout much of St. Louis City.
Masonry & waterproofing is the right call when the problem is structural or water-related — crumbling mortar, a cracked crown, missing brick, or staining inside the chimney chase. It's a different job than a routine sweep or a camera inspection of the flue, though an inspection often reveals exactly which masonry repairs are needed. Choose tuckpointing when joints are eroded but the brick is sound; choose brick replacement or partial rebuild when faces have spalled away; and add waterproofing once the masonry is repaired so you're not sealing in existing damage. The trade-off: sealing alone is cheaper but useless on a chimney that's already failing, while a rebuild costs more but solves the root issue.
Timeline and scope vary by chimney. A straightforward repointing on a single-story chimney in Carondelet or Dutchtown moves quickly; a tall, exposed stack on a Central West End or The Hill home with multiple problem areas takes more setup and time. Because St. Louis is an independent city with its own older housing stock — not lumped in with St. Louis County — many chimneys here are simply older and need a closer look before any number is firm. That's why we confirm the exact price on-site rather than guessing from the curb.
📞 Call (314) 207-3281Masonry & Waterproofing pricing in St. Louis
| Minimum service charge | $150 |
| Chimney crown repair (sealing/patch) | $150–$600 |
| Crown rebuild | $500–$1,500+ |
| Tuckpointing / repointing (per section) | $200–$1,200 |
| Spalled brick replacement | $300–$1,500+ |
| Water-repellent sealing | $250–$700 |
Exact price confirmed free on-site before any work.
Masonry & Waterproofing — questions, answered
How do I know my St. Louis chimney needs masonry repair?
Look for crumbling mortar joints, flaking or missing brick faces, a cracked crown, or water stains on the interior chimney. These are common on older St. Louis homes in areas like Shaw and Compton Heights, and an on-site assessment confirms the scope. Call (314) 207-3281.
Is waterproofing worth it in St. Louis?
Yes, for sound masonry. St. Louis freeze-thaw cycles drive water into brick and mortar, then crack them when it freezes. A breathable water-repellent sheds rain while letting trapped moisture escape — but it should be applied only after any needed repairs, not over failing brick.
What's the difference between tuckpointing and a rebuild for my St. Louis chimney?
Tuckpointing replaces eroded mortar when the brick is still solid — common on well-kept chimneys in Lafayette Square. A rebuild is needed when brick faces have spalled or the structure is unstable. We recommend the lighter option whenever the masonry condition allows.
Why won't you quote an exact masonry price over the phone in St. Louis?
Chimney masonry varies too much by height, exposure, and brick age across St. Louis to price accurately by phone. We give honest ballpark ranges upfront and confirm the exact figure during a free on-site visit, with a $150 minimum charge.
How long does chimney masonry work take in St. Louis?
Most tuckpointing and crown repairs on St. Louis homes are completed in a half to full day. Larger jobs like crown rebuilds or extensive brick replacement on tall stacks take longer and are scheduled after we assess the chimney on-site.