Basement Waterproofing in ON, including Sault Ste Marie, White River & Thunder Bay.
Basement Waterproofing

Why Does My Basement or Foundation Leak?

a flooded basement floor in a Harty home

Flooding in basements and crawl spaces is common in homes new and old -- and rarely a one-time occurrence. Once water has flooded through your foundation, you can be certain that it will happen again.

There are two important factors that contribute to basement leaking -- the clay bowl effect and hydrostatic pressure.

To learn more about what we can do to help you with these problems, contact us by phone or e-mail today!

Free Waterproofing Estimates

We offer free waterproofing quotes in Sault Ste Marie, Kenora, Thunder Bay and many areas nearby. Call or e-mail us today to schedule an appointment!

illustration of the clay bowl effect flooding a foundation

The "Clay Bowl Effect" And Your Foundation

Imagine your home as it was being built. The contractors begin by digging a hole in the ground to make room for your basement and foundation. To do so, the contractor must dig a hole that is a little larger than the space your home will need. The foundation will be built inside this space, and the concrete floor will be poured.

Once the foundation has been built, some of the excavated soil is used to fill in the gap around the outer edge of your foundation.

This soil, known as "backfill", will be loose and fluffed from the excavation. Meanwhile, the untouched soil around it, known as "virgin soil", may have been settling for hundreds, even thousands of years.

What does this mean for you? The backfilled soil surrounding your foundation will always be looser and more absorbent of water than the dense, hard-packed soil around it.

This forms a sort of "clay bowl" around your house -- one that creates an artificial water table around your home. Water collects the most right around your foundation -- exactly where you don't want it to be.

Illustration of hydrostatic pressure leading to a flooding foundation

Hydrostatic Pressure and Wet Soils

Water is heavy! As the soil around your home becomes soaked with moisture, the soil will expand, and the weight of the water will press on your foundation. This is known as hydrostatic pressure.

As hydrostatic pressure builds against your foundation, water will work its way in through any way possible.

Water can make its way through concrete cracks in the walls or floors, through openings around pipes, through basement windows, or even directly through the porous concrete. If you have block walls, water may pass through the block and begin to fill the open cavities.

However, the most common way that water enters a home is through the foundation wall-floor joint. We find that most flooded basements start with a leak here.

Flood Warning

Protecting your home means more than just stopping groundwater. It's also important to keep an eye on your home plumbing, including the water heater and washing machine.

Small upgrades, such as warrantied washer hoses or water heater protection, can save you a bundle!

Waterproofing a Foundation in Ontario

How do you dry a wet basement? By stopping water at the point where it enters the structure.

Since most basements flood from the wall-floor joint, one of the most common ways to stop the flooding is to install a perimeter drainage system along the edge of the basement floor. This would collect the water and direct it to a sump pump, which would then discharge it out of your home.

However, at SST Basement Systems, we have an approach to solving water problems of all types. Our solutions cover all surfaces of the basement, including the foundation walls, basement floors, and even wet crawl spaces.

We offer free basement waterproofing estimates in Ontario, including Hearst, Iroquois Falls, Nipigon, Wawa, Longlac, Hornepayne, Atikokan and many areas nearby. Contact us today to get started!

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Serving ON including the Greater Thunder Bay area
Our Ontario Service Area
Cities in Province of Ontario
Angling Lake
Armstrong Station
Aroland
Atikokan
Attawapiskat
Aweres Twp
Balmertown
Barwick
Batchawana Bay
Batchewana First Nation
Beardmore
Bearskin Lake
Big Trout Lake
Caramat
Cat Lake
Chaput Hughes
Clearwater Bay
Cochenour
Cochrane
Collins
Connaught
Constance Lake
Dalles
Deer Lake
Devlin
Dinorwic
Dobie
Dorion
Driftwood
Dryden
Dubreuilville
Eabamet Lake
Eagle River
Ear Falls
Echo Bay
Emo
Fauquier
Fort Albany
Fort Severn
Fort William First Nation
Fowler
Frederickhouse
Garden River
Geraldton
Gorham
Goulais River
Graham
Grassy Narrows
Gull Bay
Hallebourg
Harty
Hawk Junction
Hearst
Heron Bay
Holtyre
Hudson
Hunta
Ignace
Iroquois Falls
Iroquois Falls A
Jacques
Jellicoe
Jogues
Kakabeka Falls
Kaministiquia
Kapuskasing
Kasabonika
Kashabowie
Kashechewan
Kearns
Keewatin
Keewaywin
Kejick
Kenora
King Kirkland
Kingfisher Lake
Kirkland Lake
Lac La Croix First Nation
Lac Seul
Lansdowne House
Larder Lake
Longbow Lake
Longlac
Macdiarmid
Madsen
Manitouwadge
Marathon
Matachewan
Matheson
Mattice
Mckenzie Island
Migisi Sahgaigan
Minaki
Mine Centre
Minnitaki
Monteith
Montreal River Harbour
Moonbeam
Moose Factory
Moosonee
Morson
Murillo
Muskrat Dam
Nakina
Nestor Falls
Nipigon
Nolalu
North Spirit Lake
Ogoki
Opasatika
Osnaburgh House
Oxdrift
Pass Lake
Pawitik
Pays Plat
Peawanuck
Perrault Falls
Pickle Lake
Pikangikum
Pinewood
Poplar Hill
Porcupine
Porquis Junction
Prince Twp
Rainy River
Raith
Ramore
Red Lake
Red Rock
Redditt
Rosslyn
Rossport
Sachigo Lake
Sandy Lake
Sault Ste. Marie
Savant Lake
Schreiber
Schumacher
Searchmont
Sesekinika
Shebandowan
Shuniah
Sioux Lookout
Sioux Narrows
Slate Falls
Slate River
Sleeman
Smooth Rock Falls
South Gillies
South Porcupine
Stratton
Strickland
Summer Beaver
Swastika
Tarzwell
Terrace Bay
Thunder Bay
Timmins
Tunis
Upsala
Val Cote
Val Gagne
Val Rita
Vermilion Bay
Virginiatown
Wabigoon
Waldhof
Wawa
Weagamow Lake
Webequie
White River
Whitedog
Wunnumin Lake

Our Locations:

SST Basement Systems
648 Squier St., Unit #9
Thunder Bay, ON P7B4A8
1-807-788-1013
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