At Onyx Basement Services, we specialize in high-performance structural waterproofing solutions tailored to the needs of the construction industry. With extensive experience across residential, commercial, and civil engineering projects, our team provides long-lasting protection against water ingress—preserving the integrity and durability of every structure.

From Type A (barrier) and Type C (cavity drainage) waterproofing systems to podium deck waterproofing, concrete repairs, basements, and retaining walls, we offer a full range of services to meet the needs of developers, contractors, and engineers. Combining technical expertise, premium materials, and industry best practices, we deliver durable, compliant, and cost-effective waterproofing solutions.

Whether you’re embarking on a new project or need remediation for an existing structure, Onyx Basement Services is your trusted partner for proven waterproofing solutions.

Basement and Cellar Conversions

Type C Cavity Drainage

Deck and Buried Roof Waterproofing

External Type A Waterproofing

Internal Type A Waterproofing

Lift Pit Waterproofing

Pumps And Servicing

Concrete Repairs