Foundation Waterproofing & Membrane Installation, BC

Systems used

Spray-applied damp-proofing, self-adhered rubberized membranes, and dimple board drainage mats that direct water down to the new drain tile.

Crack and cold-joint repair

Polyurethane or epoxy injection seals structural and non-structural cracks before the membrane goes on.

Why it lasts

An exterior system stops water at the outside face of the wall, which protects rebar, prevents efflorescence and keeps finished basements dry.

Foundation Waterproofing work on site

Worker applying exterior waterproofing membrane and dimple board to a foundation wall — Below-grade waterproofing

Excavated foundation trench with new perforated perimeter drain pipe and drain rock — Perimeter drain replacement

Technician feeding a drain camera into a cleanout with an inspection monitor — Camera inspection

Foundation Waterproofing — before and after

Real examples of the problem and the finished result after the work is done.

Basement floor with standing water and damp staining along the concrete wall before repair — Wet basement, sealed and drainedSeepage along the footing stopped after waterproofing and a new sump.

The same basement dry and clean with a sealed floor and sump lid after waterproofing — Wet basement, sealed and drainedSeepage along the footing stopped after waterproofing and a new sump.

Old clay perimeter drain tile collapsed and packed with roots and silt in a muddy trench — Failed drain tile replacedRoot-choked clay tile swapped for perforated pipe, filter fabric and clean drain rock.

New perforated perimeter drain pipe in clean drain rock beside a waterproofed foundation wall — Failed drain tile replacedRoot-choked clay tile swapped for perforated pipe, filter fabric and clean drain rock.

How a working drainage system protects a home

Rain runs off the roof, into the leaders, down through drain rock to the perimeter drain, then out to the storm connection or sump — keeping water off the foundation wall.

Foundation Waterproofing — quick answer

With the foundation wall excavated, the wall itself can be sealed. This is the highest-value moment in any drainage project, and it is the reason waterproofing and drain tile replacement are so often quoted together.

Key facts

Systems used: Spray-applied damp-proofing, self-adhered rubberized membranes, and dimple board drainage mats that direct water down to the new drain tile.
Crack and cold-joint repair: Polyurethane or epoxy injection seals structural and non-structural cracks before the membrane goes on.
Why it lasts: An exterior system stops water at the outside face of the wall, which protects rebar, prevents efflorescence and keeps finished basements dry.
DRYHOMEBC covers 14 Lower Mainland and Fraser Valley cities: Vancouver, Burnaby, New Westminster, Richmond, Surrey, Delta, White Rock, Coquitlam, Port Coquitlam, Port Moody, Maple Ridge, Langley, Abbotsford and Chilliwack.
Quotes are free and carry no obligation.

Foundation Waterproofing FAQs

What is foundation waterproofing?

Exterior foundation waterproofing contractors — damp-proofing, peel-and-stick membranes and dimple board for Lower Mainland homes.

What should I know about systems used?

Spray-applied damp-proofing, self-adhered rubberized membranes, and dimple board drainage mats that direct water down to the new drain tile.

What should I know about crack and cold-joint repair?

Polyurethane or epoxy injection seals structural and non-structural cracks before the membrane goes on.

What should I know about why it lasts?

An exterior system stops water at the outside face of the wall, which protects rebar, prevents efflorescence and keeps finished basements dry.

How much does foundation waterproofing cost in the Lower Mainland?

Cost depends on the length of the affected run, excavation depth, access and restoration. Most contractors confirm the scope with a camera inspection or site visit before pricing. Quotes through DRYHOMEBC are free.

Which cities is foundation waterproofing available in?

DRYHOMEBC covers 14 Lower Mainland and Fraser Valley cities: Vancouver, Burnaby, New Westminster, Richmond, Surrey, Delta, White Rock, Coquitlam, Port Coquitlam, Port Moody, Maple Ridge, Langley, Abbotsford and Chilliwack.

Managing a commercial or multi-family building?

Apartments, stratas, restaurants, parkades and industrial sites are scoped differently than houses. Jump straight to the property type you manage.

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