Concrete Restoration & Repair
Concrete Rehabilitation, Repair, & Strengthening
Know What You Need?
Professional Concrete Restoration Services in Maryland, Virginia, Washington DC, & Delaware
Concrete is one of the most durable materials used in buildings. However, even the most durable substances break down over time. Whether it’s due to aggregate expansion, corrosion of embedded steel reinforcements, chemical damage, or general wear and tear, concrete is subject to degrading and cracking that can quickly lead to your structure becoming compromised.
Ev-Air-Tight has extensive experience repairing and strengthening concrete structures. Regardless of the severity of your concrete problem, we can provide a solution that will last for years and restore full structural integrity to your building. Even if your structure has reinforced concrete with rebar, our experts can determine the appropriate approach and carry out partial repairs or a full replacement.
We’re Concrete Restoration Experts
When you choose Ev-Air-Tight, you can expect a higher level of workmanship backed by over 100 years of on-the-job experience and practical know-how.
Expert Restoration
Performed by specialized crews with years of dedicated expertise in the trade.
Latest Technology and Processes
To protect and reverse deterioration around every corner and on every surface.
Leak Investigation and Repair
To identify and correct any problems quickly, reducing risk of damage to the building interior.
Our Concrete Restoration & Repair Services
Balcony Repair & Restoration
There are many levels of damage that can occur to balconies on your building. That means the scope and complexity of this service varies widely from one project to another. If the concrete has become spalled (absorbed moisture and is flaking or breaking off in larger chips), the repair procedure may simply involve removing the damaged concrete, detailing the edges of the area being repaired, and placing an appropriate patch material.
Other times, the project could involve railing removal, shoring, extensive demolition, rebar replacement, forming and pouring new concrete, new railings, and deck coatings. Full replacements are typically only necessary when the structural soundness of the balcony has come into question. It may also be necessary to install overhead protection to ensure that pedestrians cannot be injured by breakaway pieces of the compromised balcony structure.
Ev-Air-Tight has over 50 years of experience repairing balconies for clients in the area around Northern Virginia and Maryland. Regardless of the complexity of your balcony repair job, we can provide the most effective solution in the timeliest manner possible. We recognize that having a balcony out of service may interfere with your business operations, so we always try to handle repair efforts as quickly as we can.
When our specialist arrives at your location, they will assess the damage and then consult with you about the best approach to accomplishing necessary repairs. Then the most effective solution will be implemented, restoring your balcony to its original condition.
Coatings
Protecting your concrete surfaces with durable coatings can add years of life and delay replacement for years. However, it’s estimated that three of every four attempts to apply a new coating will result in some degree of failure. Why? The main reason for failure is improper surface preparation. The surface must be completely cleared of any kind of dirt and debris and totally dry before applying the new coating.
Our specialists have years of experience and are fully trained to understand the importance of surface preparation. When you choose Ev-Air-Tight to apply new coatings, you can count on the coating being applied correctly, the very first time.
For concrete slabs, we can apply everything from clear sealers to traffic-bearing urethane coatings. We have established great relationships with manufacturers and distributors of many products that benefit our customers by ensuring the best products are offered in every situation and that they are applied exactly according to the manufacturers’ requirements.
Coating Removal
Worn-out or damaged concrete coatings aren’t just an eye-sore, they can be a safety hazard. Our concrete coating removal service helps to eliminate slippery or uneven surfaces, reducing the risk of accidents and injuries. It also offers a more affordable alternative to completely replacing concrete surfaces.
Ev-Air-Tight has extensive experience and uses advanced techniques to remove concrete coatings, restoring the appearance and functionality of your concrete surfaces. Our professional concrete coating removal service is designed to ensure a smooth and even removal process, minimizing any potential damage to the underlying concrete surface.
Parking Garage Restoration & Repair
Due to the heavy usage parking structures get, it’s inevitable that wear and tear or other deterioration will take place. That’s when it becomes necessary to take action that prevents further and more widespread degradation.
Ev-Air-Tight has extensive experience repairing garage structures of all types including cast-in-place and pre-cast parking structures. Whether you own or manage a one-story, two-story, or other multi-storied parking structure, we have the expertise to repair the damage that’s occurred and make it structurally sound again. Our specialists can quickly assess the level of damage and formulate an approach which will provide the most effective solution.
Services Include:
- Power washing
- Stain removal
- Sealing
- Routing and sealing cracks
- Expansion joint replacement
- Steel repair
- Replacement of shear connections
- Partial and full depth repairs
- Repairs to columns and beams
- Application of corrosion inhibitors
- Sealer application
- Removal of traffic coatings
- Applying new traffic coatings and striping
Paver Repair & Replacement
Over time, concrete walkways, driveways, plaza decks, and roof decks deteriorate, developing chips, cracks, and other damage. However, the benefit of using concrete pavers is that they can be easily and cost-effectively removed and replaced if they become damaged instead of replacing the entire concrete surface.
Regular concrete paver maintenance, such as sealing and resealing pavers, pressure washing, and sweeping helps protect your surfaces from stains and the effects of traffic, extending the life of your concrete surfaces and preventing safety hazards. Whether you need concrete paver repairs or maintenance, Ev-Air-Tight can help keep your pavers looking clean, safe, and aesthetically pleasing.
Post-Tension Cable Repairs
Post-tension cables are used to improve the strength and seismic resistance of concrete slabs. They can be found in multi-story buildings and parking structures. We have decades of experience in repairing post-tension cables to restore the integrity of the concrete.
Services Include:
- Repair and Replacement
- Tendon Splicing:
- Buildings / Balconies
- Parking Garages
Protection
In addition to restoring the concrete, proper care must be given to protecting it from future damage. Part of our restoration process involves determining what types of coatings may be needed and whether a waterproof seal might be necessary. The results are long-lasting and durable.
Preservation
Restoring concrete can be challenging, especially with older buildings. In the past, many concrete repair materials would shrink over time, leading to new cracks and no bonding to the original surface or reinforcing. Therefore, it’s important to choose appropriate materials that protect the integrity of the original concrete.
The repair materials must be similar to the original to improve bonding and load transfer, especially where structural integrity is involved. Quality concrete repairs have the following properties:
- Minimal shrinkage
- Increased toughness
- Reduced permeability
- Protection of rebar
- Improved tensile capacity
- Similar look to original concrete where it can be seen
- Similar physical properties to original concrete for improved results
The first step is determining the cause of degradation and then selecting the appropriate technique to restore the concrete structure to its original condition.
Retaining Wall Repair
Retaining walls act as a supportive barrier that blocks water intrusion and prevents soil shifting. While retaining wall issues might develop slowly over time, true catastrophe is often sudden. When the soil gets saturated, it can expand, causing anything around it to break.
Failing to address retaining wall issues immediately can lead to costly property damage, foundation problems, and even serious injury. If you notice early warning signs of retaining wall damage, such as pulling, shifting, crumbling, soil separation, or water pooling around the base, then it’s time to call Ev-Air-Tight. These issues could indicate improper drainage around the structure’s base. We provide retaining wall solutions for even the most complex applications, including erosion control, earth retention, slope stabilization, and retaining wall construction.
Shot Blasting
Shot blasting is a resurfacing process commonly used in concrete restoration and repair that uses metal beads “shot” out of a machine to open up the surface profile of the concrete. Shot blasting is an effective way to clean concrete floors and prepare them for traffic coatings and/or the application of water repellents.
Structural Steel Repairs & Replacement
Structural steel used in the construction of large buildings is generally subject to enormous stresses, which can be compounded by exposure to moisture as a result of not being sealed or treated with a protective coating. This means that even the strongest steel is subject to deterioration if not properly maintained. This includes steel I-beams, railings, lintels, shelf angles, staircases, canopies, balconies, anchors, fencing, and even various decorative features mounted on the building.
The level of repair needed will depend on the severity and the extent of the damage your steel components have sustained. In the case of minor damage, the steel can usually be refurbished and brought back up to an acceptable and safe level. However, if the damage is too extensive for refurbishment, it may be necessary to carry out a complete replacement of the steel, often in the case of a load-bearing steel component.
Ev-Air-Tight has extensive experience in refurbishing structural steel, including corrosion removal, preparation, and coating techniques. If the corrosion is extensive, Ev-Air-Tight is skilled in replacing old steel with new or providing repair alternatives that include fabricating, erecting, and welding. We will always thoroughly evaluate any damage done to your building’s steel components and discuss potential solutions with you before proceeding.
Trip Hazards
Loose or damaged concrete can cause safety and trip hazards on your property that are a potential liability. Concrete repair and restoration resolves these issues, while improving the aesthetics of your building or parking garage.
Ev-Air-Tight has decades of hands-on experience in concrete removal, patching, and replacement along with treatment of any exposed rebar. Our team specializes in addressing a variety of sidewalk issues, including cracks, displacement, and deterioration. Whether it’s repairing or replacing damaged sections, we’re here to ensure your sidewalks are safe and functional.
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