Exterior Waterproofing in Barrie & Simcoe County
Worried about water around your foundation? Call GDS Landscaping & General Contracting at 647-767-1986 for a free on-site assessment anywhere in Barrie and Simcoe County.
Our Process
- Excavation and inspection — we dig down to the footing and assess your foundation’s condition
- Surface preparation and crack repair — cleaning and sealing every vulnerability
- Membrane application — waterproof membrane plus drainage board
- Weeping tile and drainage — new perimeter drainage tied to a sump or storm outlet
- Backfill and grading — careful backfill with proper slope away from the home
Basement & Foundation Waterproofing in Barrie
A dry basement starts outside your home. When water sits against your foundation, it finds every crack, joint, and porous spot in the concrete — and Simcoe County’s freeze-thaw cycles make those openings worse every winter. We waterproof basements from the exterior, where the water actually starts, so the fix addresses the source instead of just managing the symptoms inside.
Our exterior basement waterproofing includes excavation along the foundation wall, repair of cracks and voids, application of a waterproof membrane, installation of a drainage mat and new weeping tile, and proper backfill and grading so surface water drains away from your home. For many Barrie homes, this is the difference between a basement you have to keep an eye on after every storm and one you can finish, furnish, and forget about.
Not sure whether your home needs interior or exterior work? We assess the foundation, the grading around your home, and where the water is entering, then recommend the approach that fits your home and budget. Most exterior waterproofing projects start at $90 per linear foot.
Planning to finish the space once it’s dry? See our basement renovation services, or get a free quote for an on-site assessment.
Built for Simcoe County Conditions
Our region’s clay-heavy soil holds water against foundations, and every freeze-thaw cycle opens cracks a little wider. We build every waterproofing system for these exact conditions — so it lasts.
What’s Included
- Foundation waterproofing membranes — a seamless protective barrier applied to exterior foundation walls
- Weeping tile installation and replacement — proper perimeter drainage that carries water away from your home
- Sump pump installation — reliable protection where water tables run high
- Foundation crack repair — sealing cracks before they become leaks
- Grading and drainage correction — reshaping soil so water flows away from the foundation
- Window well drainage — keeping basement windows dry
Signs Your Home Needs Exterior Waterproofing
- Water stains or damp spots on basement walls
- White powdery residue on concrete
- Musty odours in the basement
- Visible foundation cracks
- Pooling water near the foundation after rain
Exterior Waterproofing Gallery
See our recent exterior waterproofing work across Barrie and Simcoe County:
Foundation Membrane
Sump Pump
Exterior Waterproofing Pricing — Barrie & Simcoe County
| Service | Price |
|---|---|
| Exterior foundation waterproofing (excavation, membrane, drainage) | from $90 / linear ft |
Final price depends on foundation depth, soil conditions, and drainage work needed. Free on-site assessment and quote.
Get a Free Quote — Call or text 647-767-1986
Exterior waterproofing in other Simcoe County communities: Exterior Waterproofing Orillia, Exterior Waterproofing Innisfil, Exterior Waterproofing Collingwood, Exterior Waterproofing Midland.
Frequently Asked Questions
Should I choose interior or exterior basement waterproofing?
Exterior waterproofing stops water before it reaches your foundation wall, which makes it the stronger long-term solution for most Barrie homes. Interior systems manage water after it enters. We recommend the right approach after assessing your foundation, grading, and how the water is getting in.
How much does exterior waterproofing cost in Barrie?
Most exterior waterproofing projects start at $90 per linear foot. Final pricing depends on excavation depth, access around your home, and the length of foundation wall being treated. We provide a free on-site estimate before any work begins.
Do you repair foundation cracks as part of waterproofing?
Yes. Crack repair is part of our exterior waterproofing process — cracks and voids in the foundation wall are repaired before the waterproof membrane is applied, so the wall is sealed as one system.
How long does exterior waterproofing take?
Most single-wall projects are completed in a few days, depending on excavation access and weather. We confirm the timeline in writing before we start.
Will waterproofing let me finish my basement?
A properly waterproofed foundation is the right starting point for a finished basement. Once the exterior work is complete and verified dry, we can also help with the renovation itself — see our basement renovation services.
Frequently Asked Questions
How much does basement waterproofing cost in Barrie?
Our exterior waterproofing runs $90–$150 per linear foot depending on depth, access and soil conditions. Every project starts with a free site assessment and a fixed written quote.
What are the signs I need foundation waterproofing?
Damp basement walls, white efflorescence stains, musty odours, visible foundation cracks and water pooling after rain are the classic signs Barrie homeowners see.
Is exterior waterproofing better than interior waterproofing?
Exterior waterproofing stops water before it reaches your foundation wall, which is why we recommend it for Barrie’s clay soil and freeze-thaw cycles. We assess both options honestly at every site visit.
How long does exterior waterproofing take?
Most homes take 2–4 days: excavation, membrane and drainage board, new weeping tile, backfill and grading.
Do you install sump pumps and weeping tile?
Yes — sump pump installation, weeping tile replacement and window-well drainage are part of our waterproofing work.
Will waterproofing fix a wet basement for good?
A properly installed exterior system with drainage is a permanent fix, built for Ontario conditions and backed by our experienced crew.
Get a Free Quote — Call or text 647-767-1986