Waterproofing
in Chicagoland
(708) 290-8500Serving Tinley Park, Orland Park, Frankfort, Oak Lawn & 40+ suburbs. 20+ years experience. Free estimates.
About Waterproofing
Waterproofing in Chicagoland addresses flat roofs, foundations, decks, and below-grade structures that face constant moisture assault. Chicago receives 36-40 inches of precipitation annually -rain, snow, ice, and sleet -all seeking entry points in your building envelope. Professional waterproofing stops water before it causes damage.
We've waterproofed flat commercial roofs in Joliet, residential basements in Orland Park, parking decks in Naperville, and foundation walls throughout the south suburbs. Each application requires different materials and techniques matched to the specific moisture problem.
Flat Roof Waterproofing:
Flat and low-slope roofs (less than 2:12 pitch) don't shed water like steep roofs. They rely entirely on waterproof membranes and coatings. When these fail, water ponds and infiltrates.
Coating Systems: Existing roofs in decent condition can be extended 10-15 years with proper coating applications. We apply: - Silicone coatings: Best for ponding water situations - Acrylic coatings: Good for roofs that drain well - Polyurethane coatings: Maximum durability, higher cost
Coatings require thorough cleaning and preparation. We pressure wash, address bubbles and blisters, and repair seams before applying new coating.
Membrane Systems: Failed membranes require replacement with new TPO, EPDM, or modified bitumen systems -not coating over compromised material.
Foundation Waterproofing:
Basement water infiltration traces to three sources: wall cracks, failed waterproofing, or hydrostatic pressure from high water tables. Solutions differ:
Exterior Waterproofing: The permanent solution. We excavate to the footer, apply rubberized asphalt membrane to foundation walls, install drainage board and footer drains, and backfill. This prevents water from ever reaching the wall.
Interior Drainage Systems: When exterior excavation isn't feasible, we install interior perimeter drains and sump systems to manage water that penetrates. This manages water rather than preventing entry.
Crack Injection: For isolated wall cracks, we inject polyurethane or epoxy to seal the crack full-depth. Effective for non-structural cracks in poured concrete walls.
Deck and Balcony Waterproofing:
Elevated decks, balconies, and rooftop terraces above occupied space require fail-safe waterproofing. We install hot-applied rubberized asphalt or cold-applied sheet membranes beneath walking surfaces. Proper flashing where decks meet walls is critical.
Our Waterproofing Process:
1. Moisture Assessment: We identify water sources -sometimes obvious, sometimes requiring investigation. Not all basement water comes through walls; some enters through floors or around pipes.
2. Solution Recommendation: We explain options, their effectiveness, and costs. Exterior waterproofing costs more but solves problems permanently. Interior drainage is more affordable but ongoing.
3. Professional Installation: Waterproofing depends on preparation and application. Cut corners show up as failures within a year or two. We follow manufacturer specifications exactly.
4. Documentation: You receive photos showing installation steps, material specifications, and warranty information.
Areas We Serve:: We provide waterproofing services throughout Orland Park, Tinley Park, Frankfort, Mokena, New Lenox, Joliet, Oak Lawn, Palos Heights, Homewood, Matteson, Bolingbrook, Naperville, Downers Grove, Westmont, and Hinsdale.
What's Included
Why Choose Us for Waterproofing?
With 20+ years of experience and 400+ completed projects, we have the expertise to handle any waterproofing project. Our licensed roofing professionals provide quality workmanship backed by our satisfaction guarantee.
Frequently Asked Questions
QHow much does basement waterproofing cost?
Interior drainage systems run $5,000-15,000 depending on basement size. Exterior waterproofing (excavation method) runs $15,000-30,000 but is permanent. We provide specific quotes after inspection.
QHow long does roof waterproofing coating last?
Quality silicone or polyurethane coatings last 10-15 years on properly prepared roofs. Recoating before failure extends life indefinitely. Acrylic coatings last 5-8 years.
QIs waterproofing the same as damp-proofing?
No. Damp-proofing (tar coating on foundations) resists moisture vapor but fails against liquid water pressure. True waterproofing uses rubberized membranes that remain flexible and sealed.
QCan you waterproof a basement from inside?
Interior systems manage water but don't stop entry. They're effective when exterior waterproofing isn't feasible. We install perimeter drains, sump pumps, and vapor barriers.
QDo you waterproof rooftop decks?
Yes. Decks above living space need fail-safe waterproofing. We install hot-applied or sheet membrane systems beneath walking surfaces with proper flashing at walls.
Waterproofing by Location
We provide waterproofing throughout Chicagoland. Select your city for local service information and pricing.
Ready to Get Started?
Contact us today for professional waterproofing services. Free estimates available.