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Concrete restoration and spalling concrete repair for homes, condos and commercial buildings in Broward, Palm Beach and Miami-Dade. We fix the rust behind the cracks, then protect the concrete so it lasts.
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Spalling concrete is unsettling to find. Here is what homeowners and associations say about how A-1 explained the damage, completed the concrete repair and protected the building afterward.
Most concrete buildings here are reinforced with steel rebar. Concrete normally protects that steel, but salt air, rain and time let moisture and chlorides work their way in. Once they reach the rebar, it starts to rust.
Rust takes up far more space than the steel it came from. As the rebar expands, it pushes the concrete apart from the inside, causing cracks, rust stains and chunks that pop loose. That is spalling, and it is common on balconies, slab edges, columns, beams and parking decks near the coast.
Concrete restoration is more than patching the hole. Real concrete repair removes the damaged concrete, cleans and treats the rebar, replaces any steel that has lost too much section, and rebuilds the area with repair mortar designed for the job. Then we protect the surface so it does not happen again next year.
Spalling gets worse and more expensive the longer it waits. Call for an inspection if you notice any of these.
Orange or brown streaks bleeding out of concrete are often the first sign that rebar is corroding inside.
Straight cracks that follow the edge of a slab or a beam often trace the rebar underneath.
Concrete that sounds hollow when tapped has often delaminated and may break away.
If you can see steel, the protective cover is gone and corrosion will speed up.
Swelling surfaces and pieces falling off balconies or ceilings need prompt attention for safety.
If concrete is falling from an elevated area, keep people clear and call us or a structural engineer right away.
Every restoration project is scoped from what we find, and larger structural repairs follow an engineer’s plan.
Remove unsound concrete, clean and treat rebar, and rebuild with repair mortars to the original profile.
Rout and seal or inject cracks so water and chlorides cannot keep feeding the corrosion underneath.
Spray-applied TechCrete by Alchemco penetrates the concrete and helps seal pores and hairline cracks from within.
Elastomeric and traffic coatings that shed water on walls, balconies and decks after repairs are done.
We follow the same order on every job, because skipping steps is why so many concrete patches fail.
We sound the concrete, mark delaminated areas and photograph the damage.
Damaged concrete is removed until we reach clean, sound material around the rebar.
Rebar is cleaned, coated or replaced where needed, based on what we find.
Repair mortar is placed and finished to match the surrounding surface.
A penetrating treatment or coating goes on so water and salt stay out.
Many of the buildings we restore are condominiums and co-ops facing Florida’s milestone inspection and structural integrity reserve requirements. When an engineer’s report calls for concrete repairs, we can carry out that work and coordinate with the engineer of record.
We also pair concrete restoration with balcony waterproofing and parking garage waterproofing, so the repaired concrete is protected once the work is finished.
We perform the repairs your engineer identifies. We do not perform the engineering inspection itself.
Spalling is when pieces of concrete crack, flake or break away, usually because the steel rebar inside is rusting and expanding. It is common in coastal buildings exposed to salt air.
A surface patch over rusting rebar usually fails within a few years. Lasting concrete repair removes the damaged concrete, treats or replaces the steel, and rebuilds the area properly.
It can be. Loose concrete on balconies, ceilings and walkways can fall, and advanced corrosion weakens structural members. Have it inspected promptly, and consult a structural engineer for major damage.
TechCrete is a spray-applied concrete waterproofing and protection product made by Alchemco. It penetrates the concrete surface rather than sitting on top, and is used on decks, balconies, garages and other concrete.
Small, non-structural repairs often do not. Larger or structural repairs, and repairs from a milestone inspection, should follow a licensed engineer’s scope. We work with the engineer your building uses.
We will inspect the damage, explain what is causing it, and give you a written price. See all waterproofing services. Licensed CCC1333587 | CBC1263521.
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