Business Details
40 Years
experience
Expert Concrete Waterproofing & Foundation Repair Services
Established in 1986, we are Maine's first certified provider of concrete waterproofing solutions with over 30 years of specialized experience. Our team utilizes NSF 61-certified chemical sealants that cure within 24 hours, ensuring permanent fixes for foundation cracks, basement leaks, and industrial water leakage problems. We guarantee our workmanship and materials, offering cost-effective solutions that often save thousands compared to major foundation contractors.Our expertise extends to challenging projects where other companies have failed, delivering tailored waterproofing strategies for residential, commercial, and municipal clients across New England. We maintain transparency throughout every project, providing detailed specifications while adhering to the highest industry standards for potable water safety and structural integrity.
Services
Basement Waterproofing
Foundation Repair
Concrete Sealing
Manhole Repair
Sewer Treatment Plant Repair
Chemical Sealant Application
Water Leak Solutions
Structural Waterproofing
Details
- Year established: 1986
Highlights and features
- 30+ years of specialized waterproofing experience in Maine's climate
- NSF 61-certified materials for potable water safety
- Guaranteed permanent solutions for foundation and basement leaks
- Proven success in complex cases where other contractors failed
- Cost-effective repairs saving thousands compared to major contractors
Associations and certifications
- NSF International
Services
Basement Waterproofing
Specialized basement waterproofing using NSF-certified chemical sealants that cure within 24 hours. Our proven methods eliminate persistent leaks and prevent future moisture intrusion in residential and commercial properties. Solutions include interior/exterior wall treatments and foundation crack repairs tailored to New England's climate conditions.
Foundation Repair
Comprehensive foundation crack repair and stabilization services for residential and commercial buildings. We address both surface-level and structural damage using advanced injection techniques that restore integrity and prevent water infiltration. Our solutions include pressure-treated wall systems and soil moisture management.
Concrete Sealing
High-performance concrete sealing for industrial and municipal infrastructure including manholes, treatment plants, and retaining walls. Our chemical sealants create impermeable barriers against water penetration while maintaining structural integrity. Applications include both new construction protection and remediation of existing structures.
Manhole Repair
Specialized manhole rehabilitation services for municipal and industrial clients. We use chemical grouting and structural reinforcement techniques to stop groundwater infiltration in sewer systems. Our methods extend infrastructure lifespan while meeting environmental compliance standards for wastewater management.
Water Leak Solutions
Custom water intrusion solutions for complex leakage problems in foundations, basements, and industrial facilities. Our diagnostic process identifies root causes before implementing permanent fixes using pressure-injected sealants and drainage optimization systems. Services include emergency leak mitigation and long-term prevention strategies.
Questions
What makes G&G's waterproofing solutions permanent?
We use NSF 61-certified chemical sealants that cure within 24 hours and have proven effectiveness in Maine's climate conditions over 30+ years.
Can you fix leaks where other companies have failed?
Yes, our specialized expertise handles complex cases with advanced materials and techniques that outperform standard industry approaches.
Are your materials safe for potable water systems?
All sealants meet NSF 61 certification standards for contact with drinking water storage facilities.
Do you offer guarantees for your work?
We guarantee permanent solutions with written assurance of our materials and workmanship.
How do your prices compare to other contractors?
Our solutions often cost thousands less than major foundation contractors while maintaining superior quality.
What areas do you service?
We serve residential and commercial clients throughout New England.