Frequently Asked Questions About Waterproofing & Foundation Repair

This is one of the most common basement leak locations. As groundwater builds around your home's foundation, hydrostatic pressure forces water through the joint where the wall and footing meet. An interior drainage system or exterior waterproofing repair can permanently address this type of leak.

Yes. Most basement leaks can be permanently repaired once the true source of the water intrusion is identified. The appropriate solution may include interior drainage, exterior waterproofing, crack repair, sump pump installation, or drainage improvements depending on the home's construction and the cause of the leak.

Common warning signs include:

• Water on the floor
• Damp walls
• Musty odors
• White mineral deposits (efflorescence)
• Mold or mildew
• Peeling paint
• Foundation cracks
• High humidity
• Rust on metal surfaces

Even small leaks can become larger problems if left untreated.

Waterproofing helps protect your home's structure, reduces the risk of mold growth, preserves finished living space, and can increase property value. Addressing water intrusion early is often much less expensive than repairing long-term water damage.

If your home experiences groundwater intrusion or has an interior drainage system, a sump pump is often the most reliable way to remove water before it reaches your finished basement. Many homeowners also choose a battery backup system to provide protection during power outages.

High humidity often results from moisture moving through concrete walls and floors, condensation, or hidden water intrusion. Even without visible water, excess humidity can lead to mold, musty odors, and poor indoor air quality. A professional-grade dehumidifier is often recommended as part of a complete moisture control system.

A dry basement is attractive to buyers because it reduces concerns about foundation damage, mold, and future repair costs. Waterproofing also helps protect finished basement spaces and demonstrates that the home has been properly maintained.

The lifespan depends on the type of system installed and the quality of the installation. Professionally installed waterproofing systems are designed to provide long-term protection, and many include transferable warranties for additional peace of mind.

A wet crawl space is often caused by poor drainage, groundwater intrusion, plumbing leaks, foundation cracks, or excessive humidity. Left untreated, moisture can lead to mold growth, wood rot, pest problems, and structural damage. A professional inspection can identify the source and recommend the best long-term solution.

If your crawl space has persistent moisture, standing water, musty odors, or high humidity, encapsulation is often one of the most effective ways to protect your home. A properly encapsulated crawl space helps control moisture, improve indoor air quality, and protect your home's structural components.

Common signs include:

• Musty odors inside the home
• Standing water or damp soil
• Mold or mildew
• Wood rot
• Sagging floors
• High indoor humidity
• Condensation on pipes or ductwork
• Increased pest activity

Addressing these issues early can help prevent more costly repairs.

Many musty odors originate in the crawl space. As moisture accumulates beneath the home, mold and mildew can develop, allowing odors to travel upward through the home's natural air movement. Controlling crawl space moisture often eliminates these odors while improving indoor air quality.

Yes. Excess moisture creates the ideal environment for mold growth on wood framing, insulation, and other organic materials. Controlling moisture with proper drainage, encapsulation, and dehumidification helps reduce the risk of mold development.

Not every foundation crack requires structural repair. Small shrinkage cracks are common as concrete cures, but wider cracks, horizontal cracks, stair-step cracks in block or brick walls, or cracks that continue to grow may indicate foundation movement. The best way to know is to have the crack evaluated by an experienced foundation repair specialist before it becomes a larger problem.

Possibly—but not always. Some cracks remain stable for decades, while others continue to widen slowly over time. The fact that a crack is old doesn't necessarily mean it's no longer moving. A professional inspection can determine whether the crack is simply cosmetic or a sign of ongoing settlement.

Foundation movement often develops gradually. Heavy rainfall, prolonged drought, changing soil conditions, poor drainage, plumbing leaks, nearby construction, or tree roots can all cause the soil beneath your home to shift. Even homes that have been stable for many years can begin experiencing settlement as site conditions change.

Common warning signs include:

• Stair-step brick cracks
• Cracks above doors and windows
• Doors or windows sticking
• Uneven or sloping floors
• Gaps around windows or trim
• Bowing basement walls
• Separation between walls and ceilings
• Foundation wall cracks

If you notice several of these signs together, it's a good idea to schedule an inspection.

The cost depends entirely on the cause and extent of the problem. Minor crack repairs can often be completed for much less than structural pier systems. More significant settlement may require push piers, helical piers, wall anchors, or other engineered repairs. The Waterproof Group provides inspections to determine the most appropriate solution rather than recommending unnecessary work.

Foundation issues can affect resale value, especially if left unaddressed. The good news is that professionally repaired foundations are often viewed more favorably than unresolved structural problems. Many buyers appreciate documented repairs completed by an experienced contractor.

During an inspection, we evaluate crack patterns, floor elevations, wall movement, drainage conditions, and other indicators of settlement. In some situations, monitoring may be recommended before major structural repairs are performed.

In many cases, yes. Modern foundation repair methods such as push piers, helical piers, wall anchors, wall soldier beams, and crack injection often require far less disruption than homeowners expect. The repair method depends on the specific problem affecting your home.

Both systems stabilize settling foundations, but they work differently. Push piers are hydraulically driven to stable load-bearing soil using the weight of the structure, while helical piers are screwed into the ground like large steel screws. The best choice depends on soil conditions, foundation type, and structural loads.

A properly designed repair addresses the underlying cause of the movement, not just the visible symptoms. However, drainage problems, plumbing leaks, or changing soil conditions should also be corrected to help prevent future movement. That's why we evaluate the entire property—not just the crack you're concerned about.

Many homeowners become accustomed to sticking doors, sloping floors, or cracks that develop gradually over the years. Just because a problem has existed for a long time doesn't necessarily mean it has stopped moving. An inspection can determine whether the condition is stable or whether additional settlement is occurring before more extensive repairs become necessary.

Traffic coatings are waterproof protective systems installed on parking garages, balconies, plaza decks, pedestrian walkways, and elevated concrete surfaces. They help prevent water intrusion, protect the concrete structure, and extend the service life of the deck while providing a durable, slip-resistant walking or driving surface.

While both systems help prevent water intrusion, traffic coatings are specifically designed to withstand foot traffic or vehicle traffic while protecting the underlying concrete. Waterproofing membranes are typically installed beneath concrete or finished surfaces and are not intended to be exposed to daily traffic.

Traffic coating systems are commonly installed on:

• Parking garages
• Parking decks
• Elevated concrete decks
• Plaza decks
• Balconies
• Breezeways
• Exterior walkways
• Mechanical equipment decks

The lifespan depends on traffic volume, weather exposure, maintenance, and the type of coating installed. Many professionally installed traffic coating systems can provide 10 to 20 years of service before major restoration is needed.

Yes. When installed over properly prepared concrete and after any necessary crack or joint repairs, traffic coating systems create a waterproof barrier that helps prevent water from penetrating the concrete structure below.

Many traffic coating systems can be repaired if the damage is isolated. Cracks, blisters, delamination, or worn areas may be repaired without replacing the entire system. A professional inspection can determine whether localized repairs or full replacement is the best long-term solution.

Common causes include:

• UV exposure
• Heavy vehicle traffic
• Poor surface preparation
• Improper installation
• Water intrusion beneath the coating
• Aging materials
• Deferred maintenance

Routine inspections can often identify small problems before they require major repairs.

Common signs include:

• Worn or missing coating
• Exposed concrete
• Ponding water
• Cracks
• Delamination
• Concrete spalling
• Water leaks into occupied spaces below

Early repairs can often prevent more expensive structural damage.

In most cases, yes. Existing concrete can often be repaired, properly prepared, and coated without complete replacement. Surface preparation is critical and may include grinding, shot blasting, crack repairs, joint repairs, and moisture testing.

A fluid-applied roof restoration system is a seamless waterproof membrane installed over an existing roof. These systems restore and protect aging roofs, extend their service life, and eliminate many of the costs and disruptions associated with a full roof replacement.

Many commercial roofs can be restored if the existing roof system is structurally sound and has not reached the end of its service life. A professional inspection evaluates moisture, insulation, roof condition, and existing materials to determine whether restoration is a viable option.

Roof restoration can:

• Extend the life of your existing roof
• Reduce project costs
• Minimize business disruption
• Improve energy efficiency
• Eliminate costly tear-off and landfill disposal
• Provide a seamless waterproof membrane

Fluid-applied roof restoration systems are commonly installed over:

• Metal roofs
• Modified bitumen roofs
• Built-up roofing (BUR)
• Single-ply roofing (TPO, PVC, EPDM)
• Spray polyurethane foam (SPF)
• Concrete roof decks

The best restoration system depends on the existing roof condition.

A professionally installed roof restoration system can often extend the life of an existing roof by 10 to 20 years or more, depending on the coating system, roof condition, roof maintenance, and manufacturer warranty.

Yes—when installed correctly. Before the restoration coating is applied, roof leaks, damaged flashing, penetrations, seams, and deteriorated areas are repaired. The fluid-applied membrane then creates a seamless waterproof barrier across the roof surface.

In many cases, yes. Because restoration typically avoids complete tear-off and replacement of the existing roof, it can significantly reduce labor, material, and disposal costs while extending the roof's service life.

Project duration depends on roof size, weather, repairs required, and coating system selection. Because existing roofing materials often remain in place, roof restoration projects are frequently completed faster than full roof replacements.

Many fluid-applied roof restoration systems are available with manufacturer-backed warranties when installed according to the manufacturer's specifications by qualified contractors.

Commercial waterproofing is the process of preventing water intrusion into commercial buildings, parking structures, foundations, retaining walls, and other concrete or masonry structures. Waterproofing systems may include fluid-applied membranes, sheet membranes, drainage systems, joint sealants, crack repair, and specialty injection techniques depending on the source of the leak.

Water often travels before it becomes visible inside a building, making the source difficult to identify. A professional leak detection inspection can determine whether leaks originate from the roof, foundation walls, expansion joints, windows, curtain walls, plaza decks, or below-grade waterproofing systems.

Yes. While some repairs require excavation to access the exterior of a foundation, many leaks can be addressed using interior waterproofing systems, polyurethane injection, curtain wall injection, joint repairs, or other specialty waterproofing methods when excavation is impractical.

We install a variety of waterproofing systems based on the building's construction and project requirements, including:

• Fluid-applied waterproofing membranes
• Sheet membrane systems
• Blindside waterproofing
• Positive-side waterproofing
• Negative-side waterproofing
• Expansion joint systems
• Joint sealants
• Crack injection systems
• Curtain wall grouting
• Drainage composites
• Below-grade waterproofing

Positive-side waterproofing is installed on the side of the structure exposed to water, preventing moisture from reaching the concrete. Negative-side waterproofing is installed from the interior when exterior access is limited and helps resist moisture that has already entered the concrete.

Common causes include:

• Failed waterproofing membranes
• Deteriorated sealants
• Expansion joint failure
• Foundation cracks
• Roof leaks
• Improper drainage
• Hydrostatic pressure
• Concrete deterioration
• Construction defects
• Aging building materials

In many cases, yes. Depending on the source of the leak, repairs may include crack injection, joint sealing, drainage improvements, localized membrane repairs, or specialty injection techniques without replacing the entire waterproofing system.

Yes. We specialize in diagnosing and repairing water intrusion in existing commercial structures, including office buildings, warehouses, schools, parking garages, retail centers, hospitals, multifamily buildings, and industrial facilities.

We provide commercial waterproofing services for:

• Office buildings
• Retail centers
• Warehouses
• Industrial facilities
• Schools
• Churches
• Apartment communities
• Hotels
• Parking garages
• Healthcare facilities
• Government buildings

Water intrusion can lead to structural deterioration, mold growth, corrosion of reinforcing steel, interior damage, business disruption, and costly repairs if left unaddressed. Early diagnosis often results in more economical solutions.