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Concrete & Masonry · 30A & South Walton

Find Concrete Spalling, Rebar Corrosion & Masonry Repair Specialists Along 30A

Rust stains and cracking concrete mean the steel inside the structure is corroding. Left alone, the corrosion spreads and the repair bill grows with it. We connect you with independent, qualified local contractors who remove the damaged concrete, treat the steel and restore the section so the repair lasts.

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  • Free referral, no obligation
  • Concrete restoration specialists
  • Independent local contractors
On this page Concrete Spalling Repair Rust-Jacking Rebar Repair Tie-Beam Patching Salt-Damaged Mortar Tuckpointing

The coastal problem

How salt air attacks concrete from the inside

Concrete normally protects the steel inside it. On the coast, chlorides from salt air and wind-driven spray slowly work their way through the concrete until they reach the rebar and break down that protection. Then the steel starts to rust.

Rust takes up several times the volume of the original steel, so as it forms it pushes the concrete apart from the inside. This is called rust-jacking. It shows up first as cracks along the line of the bar and rust bleeding through the surface, and later as spalls where pieces of concrete break off. Balcony slabs, tie beams, columns and pool decks are the usual trouble spots.

Warning signs we see on 30A properties

  • Rust stains bleeding through concrete or stucco
  • Straight cracks along a beam line or slab edge
  • Concrete breaking away and exposing rebar
  • Hollow-sounding areas when tapped
  • White efflorescence or crumbling mortar joints
  • Horizontal cracking at the top of block walls

What good work looks like

What a proper repair should include

Use this as a checklist when you compare contractor proposals. The independent contractors we refer you to set their own scope, pricing and warranty terms.

Concrete Spalling Repair

A lasting repair starts by sounding out the delaminated area and removing concrete back to sound material. Patching over cracked, salt-contaminated concrete just traps the problem.

A complete scope should cover

  • Delaminated areas sounded and marked
  • Repair boundaries saw-cut to avoid feather edges
  • Deteriorated concrete removed back to sound material
  • Surface prepared for bond
  • Polymer-modified repair mortar or formed concrete placed
  • Repair cured and finished to match the surrounding surface

Rust-Jacking Rebar Repair

How the corroded steel is exposed and treated decides whether a concrete repair lasts. Industry guidance from ICRI (the International Concrete Repair Institute) covers this, and galvanic protection helps keep new corrosion from starting at the edge of the patch.

A complete scope should cover

  • Concrete removed from around and behind each corroded bar for full access
  • Steel cleaned to bright metal
  • Section loss measured, with bars supplemented or replaced per engineer direction where required
  • Corrosion-inhibiting coating on exposed steel
  • Galvanic anodes embedded at repair perimeters
  • Full concrete cover restored with repair mortar

Tie-Beam Patching

Most Florida block homes have a cast-in-place concrete tie beam along the top of each wall. When the steel in it corrodes, it causes horizontal cracking and spalling right at the roof-to-wall connection. That is a structural location, and it needs a proper repair, not a cosmetic one.

A complete scope should cover

  • Cracking and delamination mapped along the tie-beam line
  • Beam opened and the steel and connections assessed
  • Engineer brought in where section loss or connection damage is found
  • Reinforcement treated or supplemented
  • Beam profile rebuilt with structural repair mortar
  • Stucco and finish restored over the repair

Salt-Damaged Mortar Tuckpointing

Salt crystallizing inside mortar joints breaks them down from within, and then moisture and wind-driven rain get into the wall. Repointing mortar should match the masonry, because mortar that is harder than the brick or block around it can crack the masonry itself.

A complete scope should cover

  • Joint condition assessed and existing mortar type identified
  • Deteriorated mortar raked out to a consistent depth
  • Fresh-water rinse to reduce salt contamination
  • Repointing with compatible mortar, lime-rich for softer or older masonry
  • Joints tooled to match the original profile
  • Breathable water-repellent sealer applied where appropriate

Ask for unit pricing on concrete work

Delamination often extends beyond what’s visible from the surface. A good concrete proposal quotes the measured areas plus a per-square-foot unit price for any hidden damage found once the concrete is opened, so any overage is predictable and approved before it happens.

What to expect

How a typical project runs

After we connect you, the contractor you choose handles the project. Here’s what a well-run job typically looks like.

  1. 1

    Survey & sounding

    The contractor hammer-sounds and visually maps delaminations, cracking and rust staining on every affected element.

  2. 2

    Scope with unit pricing

    Measured repair areas, photo documentation and unit prices for any additional damage found once work begins.

  3. 3

    Removal & steel treatment

    Deteriorated concrete comes out, the reinforcement is cleaned and treated, and steel is supplemented where required.

  4. 4

    Restoration

    Repair mortar or concrete is placed, cured and finished, and the coating or stucco is restored.

  5. 5

    Protection & close-out

    Penetrating sealers or anodes where specified, and documentation of every repair location for the owner or association.

How we help

Free referrals to local concrete & masonry specialists

  1. 1

    Tell us what you’re seeing

    Send the form or call. Photos help.

  2. 2

    We match you

    With an independent, qualified contractor who serves your area and does this work.

  3. 3

    They contact you

    To inspect and quote. You decide, and you contract with them directly.

Questions to ask any contractor

  • Will you saw-cut and remove back to sound concrete, or patch over it?
  • How will the rebar be cleaned and protected?
  • Do you install galvanic anodes at repair edges?
  • What is your unit price for hidden damage?
  • When would you bring in a structural engineer?
  • Will you pull the permit under your license if one is required?

South Walton Exteriors is a free contractor referral service, not a contractor, and does not perform construction work. All work is performed by independent contractors, licensed where Florida law requires, who contract directly with you. Participating contractors may pay us a fee for referrals. Verify any Florida contractor’s license at myfloridalicense.com.

FAQ

Common questions

Can’t the rust stain just be patched over?

A patch over a rust stain hides it for a season, but the steel keeps corroding underneath and the cracking comes back, usually larger. A durable repair means exposing and treating the steel.

What is the “halo effect” I’ve heard about?

After a patch, corrosion can speed up in the original concrete right around its edge, which is why some patches fail in a ring. Embedded galvanic anodes are a widely used way to reduce it.

Is this a structural issue?

It can be. Surface spalls on non-structural elements are routine repairs. Significant steel loss in tie beams, balcony slabs, columns or other load-bearing elements needs an engineer’s assessment before repair.

Can you help our condo association?

Yes. We can refer associations to contractors experienced with multi-unit buildings, phased repair programs and working from an engineer’s milestone inspection or structural reserve study report.

Related services

Stucco & Walls Balconies & Decks Coastal Finishes Storm Protection