Waterproofing Northeast

Commercial buildings

A clear plan for below-grade water problems.

We evaluate interior below-grade drainage and planned sump work in existing buildings. Start with the observed water problem, building access and the decisions your team needs to make.

Free homeowner project estimates outside a sale. Written transaction assessments: $250.

Where WPNE may fit

  • Interior drain tile and associated wall-drainage work within a defined footprint.
  • Planned sump-pump replacement and discharge corrections, matched to the property.
  • Work coordinated around tenant access, noise, affected equipment and restoration responsibilities.

We confirm the design basis, staffing and documentation before accepting a scope. Emergency extraction, guaranteed after-hours response and preventive replacement before failure are not automatic parts of this offer.

What to send us

Share the building use, where and when water appears, affected areas, accessible photos, relevant drawings and previous repairs. Tell us about access restrictions, occupied spaces and deadlines.

The next step is a scope review, not a promise that one standard system fits the building. Property-manager project planning and GC scope coordination explain the appropriate paths.

Permits, specifications and responsibilities

Applicable requirements depend on the property, use, jurisdiction and exact work. The proposal identifies required coordination, permit responsibilities and documentation. Engineering, certifications, inspections or response commitments are included only when expressly agreed and within our capabilities.

We do not claim that every commercial basement requires the same pump assembly or code treatment.

What a useful written scope includes
  • Observed water path, proposed footprint and unresolved conditions.
  • Named equipment, collection route and discharge objective.
  • Access, shutdowns, tenant coordination, concrete and finish restoration.
  • Electrical or other specialist work, exclusions and handoff responsibilities.
  • Workmanship terms, applicable manufacturer coverage and any separately agreed service.
Building-envelope work and other specialists

Roofs, decks, above-grade envelope systems and large exterior membrane or excavation assemblies require their own qualified scope. We explain when another contractor or design professional is the appropriate lead.

Repair descriptions should match the actual work

A surface coating, a membrane and an interior drainage system do different jobs. Compare the observed water path, installation method, collection area and outlet rather than treating the term “waterproofing” as a universal specification.

See the work

Browse WPNE project photos and details to see installed work. Each home needs its own reviewed scope.

Not sure which repair fits?

Tell us where the water appears and when it happens. Choose a free homeowner project estimate or a $250 written transaction assessment.

Family-owned · MN Contractor IR802718 · Bonded & insured · 700+ basements done