Exterior Foundation and Basement Waterproofing Technical Information

Learn more about Swelltite, one of the products we use 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

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.



Great Lakes Waterproofing was featured in Saint Paul's Highland Villager Article about ways to address water issues.

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.

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."

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.

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.

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.

Watch Our Waterproofing Video!

Confused about the Great Lakes Waterproofing Process?  Watch our video showing the 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.

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.