Great Lakes Waterproofing for Basements and Foundations

REAL WATERPROOFING!©

Serving Minneapolis, Saint Paul, the Metro Area and beyond

  • Wet Basement with beaver dam system

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    Beaver Dam System Leaking Everywhere

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  • Foundation waterproofing using bentonite

    Wet Foundation Holes and Cracks

    Foundation Cracks and Holes Allowing Water Into Bloomington Apartment Building

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  • Foundation waterproofing using bentonite

    University Using Exterior Waterproofing

    Real Waterproofing, On The Ouside!

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  • Foundation waterproofing using bentonite

    Mixing Bentonite for Real Waterproofing!

    Bentonite For Exterior Waterproofing

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  • Foundation waterproofing using bentonite

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    Saint Paul Home With Water Leaks

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  • Foundation waterproofing using bentonite

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    Drain Tile in Older Minneapolis Building

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  • Minneapolis Drain tile is leaking

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    Minneapolis New Drain Tile is Still Leaking!

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    Drain Tile Pipe Is Full Of Sand!

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  • Waterproofing paint is not working

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    Basement Waterproofing Paint Is Peeling Off

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  • Using dimple board for inside the wet basement

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    Dimple Board is Not Working on The Inside of my Basement!

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  • Drain Tile Pipes Are Plugged Up

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    Drain Tile Pipes Are Plugged Up

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  • I Have A Drain Tile But My Wall Is Still Leaking

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    I Have A Drain Tile But My Wall Is Still Leaking

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  • Bentonite, The World's #1 Waterproofing Material

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    Bentonite, The World's #1 Waterproofing Material

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  • Basement Waterproofing Sealing Cracks

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    Targeting The Wet Areas at a Fraction of The Cost of Drain Tile.

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  • Real Waterproofing on The Outside of The Foundation

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    Real Waterproofing Starts on The Outside of The Foundation

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Foundation Waterproofing Technical Information

Exterior Foundation and Basement Waterproofing Technical Information

Swelltite Bentonite Waterproofing

Learn more about Swelltite, one of the products Great Lakes Waterproofing uses for new construction, the plastic sheet has a dry layer of bentonite which is applied directly to the concrete below-grade foundation, then all of the edges are sealed

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Bentonite for large projects

This is a great article on bentonite waterproofing and how it benefits large building projects.  Bentonite Exterior Waterproofing is a proven winner for true waterproofing applications using both membrane and bentonite injections.

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Great Lakes Waterproofing featured in the Highland Villager

Great Lakes Waterproofing was featured in Saint Paul's Highland Villager Article about ways to address water issues.  Feel free to contact us for any issues.

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Using Bentonite for a large tunnel

Bentonite Exterior Waterproofing has been used on several large construction projects, tunnels, dams or any underground structure where water might be present are potential projects.

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Bentonite waterproofing from 1965

Bentonite Exterior Waterproofing has been around a long time, here's an early article from 1965 Concrete Construction Magazine calling bentonite "the most successful waterproofing method."

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Concrete wall cracks

Do you ever wonder why your concrete wall cracks?  Different forces create different types of cracking.  Cracks above the floor will not drain into a drain tile sytem underneath the basement floor.

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Volclay Bentogrout Exterior Waterproofing

Volcay Bentogrout from CETCO is one of the brands we use for exterior waterproofing.  For years CETCO has been setting the standards with their bentonite waterproofing materials for Real Waterproofing.

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Swelltite Bentonite Waterproofing

Some more information on Swelltite Waterproofing Membrane.  A great application is for garages with no drain-tile built in hill-sides, no more worrying about the call after the first rain, Swelltite will stop it.

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Watch Our Waterproofing Video!

Confused about the Great Lakes Waterproofing Process?  Watch our video showing the bentonite injection work being done.


Ask any waterproofing expert, sealing the outside of the foundation is the best way to stop water.  Using all natural bentonite, Great Lakes Waterproofing fills voids and water pathways around your foundation stopping water for Real Waterproofing!


Bentonite has been used for waterproofing but also is extensively used for man-made lakes and ponds, a barrier under the city dump, sealing old wells and many more applications.

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