Restoration & Waterproofing Concrete Structures
Concrete is the most popular material for parking structures because of its strength and durability. Deterioration can occur over time on any parking garage or deck. Proactive maintenance ensures that your parking structures have a long-term service life.
Signs of Water Leakage
Leaking water in concrete structures becomes more expensive the longer it is left unattended. The two major indicators of water leakage are exposed metal rusting and rust stains along walls. Other signs include:
- Expansion Joint Failure
- Delaminated, Spalled, and Cracked Concrete
- Exposed Rebar
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- Wall / Column Repairs – Epoxy injection is typically used for repair. In more severe cases a concrete re-pour is needed.
- Expansion Joint Repairs – Defective joints can restrict movement in concrete slabs, allowing water to seep into the structure. Expansion joints are replaced to restore structure functionality.
- Post Tension Repairs – Post tension repairs are required for strength and structure integrity restoration. A structure needs post tension repair if there are broken tendons popping out of the surface, parallel cracking along the post tension strands, and diagonal shear cracks in beams and joints.
- Deck Repairs – When the cast surface of concrete is compromised, deck repairs are needed. The damaged area is usually removed with concrete reapplied over it.
- Deck Coating – Concrete parking decks can be protected from vehicular and pedestrian traffic abrasion, and freeze/thaw cycles through coating.
- Traffic Coatings – Traffic coating is applied to concrete surfaces as a waterproofing layer to protect decking from water penetration, UV rays, and road salt. This coating is usually used in high-traffic areas that get direct exposure to the elements.
- Epoxy – Epoxy coating enhances concrete surface appearance. The concrete surface is also protected against vehicular damage, chemical leaks, and natural aging processes.
- Moisture Barriers – In order to restrict water vapor from penetrating concrete slabs, a plastic membrane must be placed below the concrete structure. This allows proper sealer and concrete slab adhesion as well as reducing efflorescence formation.