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About Our Company

JNK Waterproofing is proud to serve customers across the GTA and Southern Ontario. We provide the highest quality basement waterproofing, foundation repairs, concrete, and interlock work to our clients. Call us today for all of your Waterproofing needs (416) 904-3690
Providing Waterproofing, Foundations, Interlocking, and Concrete Services to Toronto, North York, Richmond Hill, Vaughan, Markham, Oshawa, Ajax, Newmarket, Scarborough, Pickering, Etobicoke, Mississauga, Brampton, Georgetown, Halton Hills, Milton, Oakville, Burlington, Hamilton, Ancaster, Stoney Creek
We specialize in basement waterproofing and foundation crack repair in Toronto and the GTA. We always provide the highest level of professional customer service.

  • Waterproofing

  • Basement Waterproofing

  • foundation crack repair

  • Wet Basements

  • Flooded Basements

  • Interlocking

  • Concrete Services

Our Services


Looking for waterproofing solutions ? We are here to help you! We make your property waterproof against flooding and heavy rain. Our Waterproofing Solutions protect your building from damage and keep your family secure from any injury.

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Basement Waterproofing

Your basement is a valuable living space that shouldn’t surrender to the element. We have decades of experience in waterproofing and will pinpoint the problem and provide a long-term, affordable solution. As the best waterproofing contractor, we will help you make the most of your space.

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Foundation Crack Repair

Cracks in your basement walls do not look good. Water can seep in through the cracks damaging the basement. We keep the water out with professional epoxy injections. Cracks can also mean bowing basement walls or a damaged settling foundation. We will provide the best solutions to repair foundation cracks.

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Wet Basements

We offer wet basement solutions to ensure your home is always functioning properly. We provide regular checkups and comprehensive inspections of your sump pump, dehumidifier, and drainage system, to keep your basement dry.

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Flooded Basement

Flood is one of the significant problems. As top waterproofing solution providers, we carry industry-leading sump pumps to move flood water away from your home and foundation quickly. Our services can ensure your home stays dry, even in the most severe weather.

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Interlocking Stone

We have a team of expert professionals trained in the installation of interlocking stones. We use only the highest quality materials to ensure that your project is completed to the highest standards!

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Client Reviews

Our Home Owners Say

I recommended this company 10:10 jozef give me good quate end he gives me good questions end they do very good jobs thank you NJK waterproofing

homestars Review

I recommend this company highly professional end good for the price thank you NJK waterproofing.

Homestars review
I recommend this company are very fast end friendly people they give be very good price for me 40 feet waterproofing
Homestars Review

Thank you NJK waterproofing for the quality work no more leaks in me basement thank you I recommend this company

Homestars Review