Basement waterproofing in Hamilton requires a specialized approach due to the city’s unique geography—specifically the heavy clay soil on “The Mountain” and the aging brick infrastructure in the Lower City.
At Dryshield, we don’t just stop leaks; we engineer drainage solutions that withstand the Niagara Escarpment’s runoff. Whether you need Exterior Waterproofing for a cracked foundation in Ancaster or an Interior System for a stone home in Westdale, we ensure your repair meets all City of Hamilton building codes.
If you’re dealing with a wet basement in Hamilton—musty odours, damp foundation walls, puddles after rain, or visible cracks—water is getting in through the weakest point in your foundation system. DryShield provides permanent basement waterproofing solutions that stop leaks at the source and protect your home long-term.
We handle the full scope of basement water problems in Hamilton, including:
Interior Basement Waterproofing (internal weeping tile / interior drainage)
Exterior Basement Waterproofing (outside excavation + membrane + drainage)
Leaky Basement Repair and Wet Basement Repair
Foundation Crack Repair and Crack Injection
Sump Pump Installation
Crawl Space Encapsulation
Foundation Waterproofing systems for full foundation protection
If you searched “basement waterproofing near me” in Hamilton, you’re in the right place—book a free inspection and get a clear plan to keep your basement dry for good.

At a Glance: What We Fix (and How)
Best for:
Water at the floor-to-wall joint (cove joint seepage)
Leaking foundation cracks (vertical or horizontal)
Damp basement walls, efflorescence (white chalky staining), musty smells
Recurring leaks after storms or spring melt
Basement moisture that keeps coming back even with a dehumidifier
Most common solutions:
Interior drainage + sump pump to relieve hydrostatic pressure
Exterior waterproofing to stop water before it reaches the foundation wall
Crack injection (polyurethane for active leaks, epoxy for structural repairs when suitable)
Crawl space sealing/encapsulation to control below-grade humidity
Next step:
Start with a free inspection and written estimate, or use the Cost Calculator for a quick baseline.
Why Hamilton Basements Leak
Hamilton homes often experience strong water loads during heavy rain and spring melt. When soil around the foundation becomes saturated, hydrostatic pressure pushes water toward any available opening—cracks, porous concrete, window wells, or the cove joint where the wall meets the floor.
Common local contributors include:
Older drainage systems
(weeping tile) that can clog or fail over time
Freeze–thaw cycles
that expand small cracks and create new leak paths
Poor surface drainage
(grading, downspouts, and pooling near the foundation)
High moisture below grade
that increases humidity, mould risk, and air-quality issues
A wet basement usually isn’t “just a one-time leak”—it’s a sign the foundation drainage or sealing system needs a real fix.
The Right Waterproofing Solution for Your Hamilton Home
No two basements leak the same way. The correct repair depends on where water is entering, how severe the pressure is, and whether you need water management or full outside protection.
Interior Basement Waterproofing (Internal Weeping Tile / Interior Drainage)
Choose interior waterproofing when:
Water comes in at the cove joint or through the floor area
Exterior access is limited (tight lot lines, finished landscaping, hardscaping)
You want a dependable system that manages groundwater and keeps a finished basement protected
Interior systems are designed to relieve pressure and redirect water to a sump pump instead of letting it spread across your floor.
Exterior Basement Waterproofing (Outside Excavation + Membrane)
Choose exterior waterproofing when:
You want to stop water before it reaches the foundation wall
You need full outside sealing due to persistent wall seepage or repeated water intrusion
The best long-term result requires exterior repairs, membrane protection, and restored drainage
Exterior waterproofing is the most direct method to block water at the source.


Foundation Crack Repair and Crack Injection
Choose crack repair when:
The leak is entering through a specific crack (often vertical)
You want a targeted repair without major excavation (when appropriate)
Crack injection seals the full depth of the crack to stop water entry and help prevent that crack from leaking again.
Sump Pump Installation (and Upgrades)
A sump pump is essential when:
Groundwater rises quickly during storms or spring melt
You need reliable water removal to prevent pressure buildup
You want added protection for finished basements and valuable storage areas
A properly installed sump system is one of the best defenses against basement flooding.
Crawl Space Encapsulation
Encapsulation helps when:
A crawl space is damp, musty, or contributing to humidity and odours
You want to reduce mould risk, improve comfort, and protect structural components
You’re dealing with moisture below grade beyond the basement area
Sealing the crawl space helps control humidity and blocks ground moisture from entering your home.
Our Basement Waterproofing Services in Hamilton
DryShield provides a complete suite of basement waterproofing and foundation repair services for Hamilton homeowners—whether you need a targeted crack repair or a full waterproofing system.
We help with:
Wet basement repair and active leak control
Interior waterproofing systems and drainage solutions
Exterior excavation waterproofing and foundation sealing
Foundation crack repairs and professional crack injection
Sump pump installation and groundwater management
Crawl space moisture control and encapsulation
Foundation waterproofing for full perimeter protection
Our Basement Waterproofing Solutions For Hamilton

Interior Basement Waterproofing Hamilton
We provide reliable internal basement waterproofing in Hamilton, protecting basements from moisture and leaks. Our team installs high-quality drainage systems that keep your home dry year-round while preventing long-term water damage and structural issues.
$70-$95 per linear ft.

Exterior Basement Waterproofing Hamilton
We deliver professional external basement waterproofing in Hamilton, sealing foundation walls and improving drainage to stop water before it reaches your basement. Our durable solutions protect your home from harsh weather and future structural concerns.
$95 to $245 per linear ft.

Leaky Basement Repair Hamilton
We repair leaky basements in Hamilton with proven techniques that stop water intrusion fast. We diagnose the root cause, restore foundation integrity, and ensure your basement stays dry, safe, and comfortable in every season.
$1,500 – $20,000 per size of job

Wet Basement Repair Hamilton
We offer dependable wet basement repair services in Hamilton, addressing moisture, seepage, and drainage issues at the source. Our team provides long-lasting solutions that safeguard your home’s foundation and improve indoor comfort and air quality.
$1495-$14995 per size of job

Sump Pump Installation
Hamilton
We install high-performance sump pumps in Hamilton homes to prevent flooding and manage groundwater effectively. Our experts ensure proper setup, reliable operation, and long-term protection for your basement during heavy rain and rapid snowmelt.
$995-$2995 per size of job

Crawl Space Encapsulation
Hamilton
We provide crawl space encapsulation in Hamilton to prevent moisture, mould, and pest issues. We seal and insulate the space with durable materials, improving energy efficiency, indoor air quality, and long-term home protection.
$4,000 – $25,000 per size of job

Foundation Waterproofing Hamilton
We offer trusted foundation waterproofing in Hamilton, combining advanced membranes and drainage systems to block moisture and protect your home’s structural integrity. Our solutions deliver long-lasting defence against leaks, cracks, and soil-related water pressure.
$65 to $95 per linear foot

Cost Calculator
Hamilton
Try our basement waterproofing Cost Calculator. The calculator will give you an estimate for your basement waterproofing cost and foundation crack repair cost. Dryshield Waterproofing also provides in person cost estimates for your project .
$70 – $200 per linear foot
Our Crack Injections Solutions For Hamilton

Concrete Crack Injections Hamilton
We perform concrete crack injections in Hamilton using industrial-grade resins that seal cracks and stop water infiltration. We restore structural stability while preventing future damage caused by shifting soil or changing weather conditions.
$500 – $2 ,000 per square ft.

Basement Crack Repair Hamilton
We provide expert basement crack repair in Hamilton, using proven sealing and injection methods to eliminate leaks and moisture problems. Our repairs strengthen your foundation and offer lasting peace of mind for homeowners.
$500 – $2 ,000 per square ft.

Foundation Crack Repair Hamilton
We deliver reliable foundation crack repair in Hamilton, addressing cracks caused by settling, pressure, or weather changes. We seal the damage, prevent leaks, and help maintain your home’s long-term structural strength and safety.
$500 – $2 ,000 per square ft.

Epoxy Crack Injection Hamilton
We specialize in epoxy crack injection in Hamilton, repairing structural cracks with durable, high-bond materials. Our method stops water intrusion, reinforces concrete, and provides a long-lasting solution for foundation and basement protection.
$750 – $2,500 per square ft.
Why Hamilton Basements Leak (Mountain vs. Lower City)
Hamilton's unique geography—split by the Niagara Escarpment—creates two distinct waterproofing challenges. We customize our repair based on where you live.
| Location | Neighborhoods | Common Problem | The Fix |
|---|---|---|---|
| "The Mountain" | Ancaster, Upper James, Stoney Creek Mountain | Clay Soil Expansion: Heavy clay traps water, causing horizontal cracks and bowing walls. | Exterior Waterproofing & Weeping Tile Replacement |
| "Lower City" | Westdale, Corktown, Delta, Beasley | Aging Infrastructure: 100-year-old stone/brick foundations with dissolved mortar. | Interior Waterproofing & Sump Pumps (to bypass old drains) |
Our Basement Waterproofing Projects In Hamilton
💰 The City of Hamilton "3P" Grant Program
Did you know the City of Hamilton may pay for part of your waterproofing?
The Protective Plumbing Program (3P) offers homeowners financial assistance to prevent basement flooding. As a licensed contractor, DryShield can help you install the eligible systems to protect your home.
What is covered under the 3P Grant?
- Backwater Valves: Prevents city sewage from backing up into your basement.
- Sump Pumps: Subsidies available for new installations to manage groundwater.
- Downspout Disconnection: Removing downspouts from the sewer system.
⚠️ Important: To qualify, you must have a CCTV inspection of your sewer lateral and obtain a permit before work begins. We handle the code-compliance side to ensure your installation meets the city's strict requirements.
Service Area: Hamilton and Nearby Communities
We serve homeowners across Hamilton and surrounding areas, including:
- Hamilton Mountain
- Downtown Hamilton
- Stoney Creek
- Ancaster
- Dundas
- Waterdown
- Binbrook / Glanbrook
- Flamborough
- Neighbourhoods like Westdale, Crown Point, Rosedale, and nearby communities
- If you’re just outside Hamilton, reach out—our service coverage includes the broader Golden Horseshoe.
Basement Waterproofing Cost in Hamilton
Waterproofing cost depends on the entry point, the length of the affected area, and whether the best solution is interior management, exterior sealing, or a combination.
Typical pricing on Hamilton projects often falls into these ranges:
- Interior Basement Waterproofing: $75–$130 per linear ft.
- Exterior Basement Waterproofing: $140–$250+ per linear ft.
- Foundation Waterproofing: $75–$300 per linear ft.
- Sump Pump Installation: $$950–$2,995 (varies by setup)
- Foundation Crack Repair: $600 – $1,000
- Leaky Basement Repair / Wet Basement Repair: priced by scope (the right fix depends on what’s causing the leak)
For a fast baseline, use the Cost Calculator. For an exact price, book a free inspection—so the quote is based on your foundation type, access, and the real leak source.
Hamilton Basement Waterproofing FAQ
What’s the best way to waterproof a basement in Hamilton?
The best approach depends on where water is entering. Interior drainage is ideal for managing water at the cove joint or under the slab, while exterior waterproofing stops water before it reaches the foundation wall. A proper inspection determines the most effective permanent fix.
Is interior waterproofing “as good” as exterior waterproofing?
Interior waterproofing is highly effective when the problem is hydrostatic pressure or water at the floor-to-wall joint, and when exterior excavation isn’t practical. Exterior waterproofing is the strongest prevention method when you want water blocked outside the foundation completely.
Does crack injection permanently stop a foundation crack leak?
For a leaking crack, professional crack injection is designed to be a long-term solution for that crack. If the foundation also has drainage failure or broader pressure issues, a full waterproofing system may be recommended to prevent future leaks in other areas.
What are the signs I need basement waterproofing?
Common signs include musty odours, damp walls, mould, efflorescence, peeling paint, water stains, visible foundation cracks, and puddles after rainfall.
How fast can you fix a wet basement?
Many solutions can be completed in days, depending on the scope and access. Your inspection will confirm the best method and expected timeline.
Do I need a building permit for waterproofing in Hamilton?
Yes, the City of Hamilton requires a building permit for most waterproofing projects that alter your foundation or plumbing. Skipping this step can result in fines and may disqualify you from the 3P Grant Program.
Permit Requirements by Job Type:
- Exterior Waterproofing: Required because it involves excavation and altering the foundation grade.
- Backwater Valve / Sump Pump: Required (Plumbing Permit) to connect to the city sewer system.
- Crack Injection: Generally not required for simple internal repairs, but always check local bylaws.
- How We Help: DryShield manages the entire permit application process for you, including submitting the required drawings to the Hamilton Building Division, so you don’t have to navigate City Hall alone.
My house in Westdale has a stone foundation. Can you waterproof it?
Yes, but we recommend Interior Waterproofing rather than Exterior. Older homes in Westdale, Corktown, and Dundas often have “Rubble” or “Fieldstone” foundations. These uneven walls are difficult to seal from the outside because membranes cannot bond flat against the jagged stones.
| Method | Suitability for Stone | Why? |
| Interior System (Recommended) | ⭐⭐⭐⭐⭐ | Captures seepage through the mortar joints and directs it to a sump pump. |
| Exterior Membrane | ⭐⭐ | Risk of damaging old mortar during excavation; difficult to create a perfect seal. |
Expert Insight: For stone foundations, the goal is “Water Management” (letting it pass through into a pipe) rather than “Water Blocking” (which can trap pressure and crumble the mortar).
How do I qualify for the Hamilton “3P” Grant Program?
To qualify for the Protective Plumbing Program (3P), you must be the registered owner of a residential property in Hamilton and use a licensed contractor. The program provides financial assistance to help homeowners protect their basements from city sewer backup.
The 3 Steps to Qualify:
Assessment: You must hire a contractor (like DryShield) to perform a CCTV inspection of your sewer lateral.
Application: Submit the application and obtain a building permit before work begins.
Installation: Install an eligible Backwater Valve or Sump Pump system.
Note: The grant does not cover general waterproofing (like crack repairs). It specifically covers devices that protect against sewer backup. We can help you determine which parts of your quote are eligible.
Does DryShield serve areas outside Hamilton proper?
Yes, we have dedicated crews serving the entire Golden Horseshoe region. We understand that soil conditions change drastically from the lakefront to the escarpment, and we travel to all surrounding communities.
- Ancaster & Dundas: Heavy clay soil requiring robust hydrostatic pressure relief.
- Stoney Creek & Winona: High water tables near the lake requiring industrial-grade sump pumps.
- Waterdown & Flamborough: Bedrock and limestone challenges requiring specialized excavation.
- Binbrook & Glanbrook: New development settling issues (cracks in newer foundations).
Fully Guaranteed, 100% Satisfaction
All the work we provide is fully guaranteed. We go out of our way to provide the best customer service with the best materials. As a professional team, we are always available to answer any of your concerns before we begin the job, during the repairs, and after the work is completed. That is the reason why Dryshield continues to build positive relationships with all our clients.
Call the Basement Waterproofing experts at 1-800-277-5411 today.
Our qualified concrete-repair specialists can inspect your property and offer you a thorough estimation of costs. We understand your needs and can get the job done as quickly as possible.
At DryShield Basement Waterproofing, we also offer a Free Inspection to all interested clients. Check out our online estimate tool for a quick FREE Quote.







