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Exterior Waterproofing Project

Foundation Membrane and Drainage Layer

A layered exterior assembly designed to protect the foundation and direct water downward.

Exterior Waterproofing

Project overview

A waterproofing membrane and protective drainage layer perform different jobs within the exterior assembly. The foundation surface must be prepared, cracks and penetrations addressed, terminations completed and the finished membrane protected before the excavation is backfilled.

Related assessment considerations

  • Where water first becomes visible
  • Interior and exterior access
  • Foundation and drainage condition
  • Finished materials affected by the work
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Request a basement assessment

Tell us where and when the water appears

Share the location, timing, basement finish and any visible cracks, sump-pump concerns or window-well problems. Clear photographs help us understand the request.

  • Brampton property address or postal code
  • Active leak, recurring leak or preventive assessment
  • Interior and exterior photo uploads
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