Proseal Waterproofing & Contracting Inc.

Interior and Exterior Waterproofing

Looking for reliable waterproofing in Welland?

Proseal Waterproofing offers dependable basement waterproofing in Welland, shielding your home from leaks, structural cracks, and unforeseen water damage. Our tailored, long-term solutions are engineered to keep your basement dry and your property well-protected.

Welland’s Professional Waterproofing – Your Home’s Best Defense

When basements become damp, they can jeopardize a home’s longevity and comfort. In Welland, our team of waterproofing specialists remedies issues ranging from tiny fissures to extensive moisture build-up using advanced technologies—preventing mold and costly repairs while maintaining a dry environment.

Our Welland Waterproofing Services

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We offer a full range of residential basement waterproofing services in Welland, including:


  • Exterior Waterproofing: Protect your foundation by stopping water before it enters.
  • Interior Waterproofing: Effective solutions for managing water that's already inside.
  • Crack Injection & Foundation Repair: Seal foundation cracks to prevent leaks and structural damage.
  • Weeping Tile & Drainage Systems: Improve water flow and prevent basement flooding.
  • Sump Pump Installation & Maintenance: Keep your basement dry with reliable sump pump systems.
  • Crawl Space Encapsulation: Protect your crawl space from moisture, mold, and mildew.
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Why Choose Proseal for Waterproofing in Welland?

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Local Experts

– Proudly serving homeowners in Welland and the Niagara region.

Over 25 Years of Experience

– Trusted waterproofing contractors with a proven track record.

Transferable Warranties

– We stand behind our work.

Free, No-Obligation Estimates

– Get expert advice with no pressure.

Competitive Pricing

– Quality waterproofing that fits your budget.

Common Basement Issues We Fix in Welland

Hamilton homes, especially older properties, are prone to water issues due to aging foundations, heavy rainfalls, and poor drainage. We commonly help Hamilton homeowners with:

Wet or damp basements after rain

White powdery substances (efflorescence) on basement walls

Welland homes, especially older properties, are prone to water issues due to aging foundations, heavy rainfalls, and poor drainage. We commonly help Welland homeowners with:

Water seepage through floor cracks

Mold or mildew buildup


Musty smells in the basement


Bowing or cracked foundation walls


Serving All of Welland and Surrounding Communities

If you notice any of these signs, it’s time to call Proseal Waterproofing—the Welland waterproofing experts.

We proudly serve all areas of Welland. Whether you live in a century-old home downtown or a newer build on the mountain, our team is equipped to handle your waterproofing needs.


Get a Free Quote for Waterproofing in Welland

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Don't wait for water damage to get worse. Protect your home and investment with professional basement waterproofing from Proseal.


📞 Call us today or 📩 request a free quote online for reliable waterproofing in Welland.

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