829 California Avenue, Avalon, Pennsylvania 15202, United States
G&J Waterproofing is a family-owned company proudly serving Pittsburgh and surrounding areas since 2010. We believe in honest, pressure-free service and providing homeowners with the right solutions for their basement waterproofing and foundation repair needs.
As fall approaches, changing weather, heavy rainfall, and saturated soil can put added pressure on your home's foundation. Pittsburgh's older homes, steep lots, and unique soil conditions make basement leaks and foundation problems especially common.
Whether you're dealing with a leaking basement, water intrusion, or bowing foundation walls in Squirrel Hill, Mt. Lebanon, or surrounding communities, G&J Waterproofing has the experience to help protect your home.
Our commitment to quality and customer satisfaction has earned us numerous industry awards, including:
We specialize in interior and exterior basement waterproofing, foundation repair, bowing wall reinforcement, foundation crack repair, moisture barriers, retaining walls, crawl space encapsulation, carbon fiber straps, and foundation rebuilding. Our solutions are customized to your home's needs and backed by industry-leading warranty coverage.
Don't let fall rain and changing temperatures expose existing basement or foundation problems. Protect your home with G&J Waterproofing. Call 412-415-3610 today to schedule your free inspection and estimate!

At G&J Waterproofing, we believe that your foundation is the most important part of your home. A cracked, wet, or sinking foundation can lead to serious problems such as uneven floors, cracked drywall, peeling paint, mold growth, and even structural safety hazards. Every foundation issue is unique—there is no one-size-fits-all solution. That’s why G&J Waterproofing provides customized foundation repair and waterproofing solutions tailored to your specific needs.
If your basement is leaking, your foundation is cracking, or you’re experiencing water damage, we can help!
✅ Basement Waterproofing
✅ Exterior Waterproofing
✅ Foundation Repair
✅ Carbon Fiber Straps for added wall support
✅ Flex Shield for protecting sandstone walls
✅ Crawl Space Encapsulation to prevent moisture issues
✅ Foundation Rebuilding for severe structural damage
✅ Steel Beams for extra stability
✅ Rotted Joist Replacement to restore structural integrity
✅ Basement Drainage Systems to keep your home dry
At G&J Waterproofing, we also collaborate with licensed structural engineers to ensure the most effective and long-lasting repairs for your home.
Protect your home’s foundation today! Call G&J Waterproofing for a free inspection.
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