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Serving Fond du Lac, WI and surrounding areas. (920) 375-8490
Everything your home stands on starts with the foundation. We dig deep, handle waterproofing, and manage permits so your foundation holds up through Wisconsin winters for decades.
Foundation installation in Fond du Lac means excavating below the frost line - at least four feet down - forming and pouring concrete walls, waterproofing the exterior, and installing drainage to carry groundwater away before it builds up pressure against the wall. Most residential foundation installations take one to three weeks from excavation through backfill.
For new construction, this is the first concrete work on the site and sets the accuracy for everything built above. For older Fond du Lac homes - many of which have original stone rubble or early block foundations - replacement work is more involved but follows the same fundamental principles. When the project calls for a flat slab on grade instead of a full foundation, we also build slab foundations for garages, additions, and outbuildings.
The City of Fond du Lac requires a permit for all foundation work. We handle the permit application and schedule city inspections at every required stage - so you have independent verification that the work was done correctly.
If doors or windows have started sticking, dragging, or no longer latching the way they used to, the frames may be shifting because the foundation beneath them is moving. This is one of the earliest warning signs that something is changing at the base of your home. In Fond du Lac, this symptom often appears in spring after a hard winter when frost movement has settled the foundation.
Horizontal cracks, stair-step cracks in block walls, or any crack wider than a quarter-inch deserves a professional look. Fond du Lac's clay soils expand and contract with seasonal moisture changes, putting ongoing lateral pressure on foundation walls - and that pressure shows up as cracking over time. A crack that is getting wider should not be left alone.
Fond du Lac's springs bring heavy snowmelt, and proximity to Lake Winnebago means the water table rises seasonally. Finding water on your basement floor or damp spots on the walls after wet periods may mean your foundation is no longer keeping water out effectively. This can be a drainage issue, a crack issue, or both.
Stand in your basement and look at the walls. If any wall appears to be curving inward or leaning rather than standing straight, that is a serious structural warning sign. Soil pressure - especially from clay-heavy soils that swell with moisture - can push foundation walls inward over years. This is not a cosmetic problem; a wall that bows is under active structural stress.
We install poured concrete foundations for new construction and full foundation replacement on existing homes. Every installation includes excavation to the required frost depth, forming and pouring concrete walls, exterior waterproofing, and a perimeter drainage system at the footing - not as an optional add-on, but as a standard part of every job. For projects that need load-bearing footings at the base of the wall, we integrate concrete parking lot building and heavy-use concrete knowledge into our approach to make sure the structural base is sized correctly for the load above.
If your project calls for a flat slab rather than a full foundation wall system, we also build slab foundations for garages, workshops, and additions. A site visit is the fastest way to determine which approach is right for your project, your soil conditions, and your local permit requirements.
For homeowners and builders starting from scratch - full excavation, forming, pour, waterproofing, and drainage for a new home, garage, or commercial structure.
For older Fond du Lac homes with deteriorating stone rubble or early block foundations that need to be removed and replaced with a modern poured wall system.
For attached home additions where the new foundation must tie into the existing structure and meet current frost-depth and drainage requirements.
For homeowners dealing with chronic basement moisture where the existing foundation needs exterior waterproofing and a properly installed perimeter drain.
Fond du Lac sits in a climate zone where the ground can freeze to four feet or more each winter. That means every foundation we install must extend below that depth - or seasonal frost movement will push the walls up and down, cracking them over time. The excavation goes deeper here than in most of the country, which affects cost, scheduling, and the equipment needed. Foundation pours in Fond du Lac are safest between late April and early October; outside that window, contractors must use heated enclosures or insulating blankets to protect fresh concrete from freezing.
The glacially deposited clay soils throughout Fond du Lac County expand when wet and shrink when dry - putting ongoing lateral pressure on foundation walls year after year. Proper drainage design and exterior waterproofing are not optional extras here; they are the difference between a foundation that holds up for 80 years and one that starts showing stress cracks within a decade. Fond du Lac also sits at the southern tip of Lake Winnebago, which means the water table in many parts of the city is elevated and spring flooding is not uncommon. We serve homeowners across the area and regularly work in communities like Green Bay and Appleton where similar frost and drainage considerations apply. For further context on foundation installation standards, the National Association of Home Builders and the American Concrete Institute are reliable references.
Tell us what you are building or replacing and describe what you are seeing if there is an existing problem. We respond within one business day and let you know whether we need a site visit before giving you a number - for foundation work, we almost always do.
We visit your property to assess soil conditions, access for excavation equipment, any existing foundation, and drainage. After the visit you receive a written estimate that covers excavation, forming, the pour, waterproofing, drainage, backfill, and permit fees - with no items hidden in the fine print.
We pull the required City of Fond du Lac building permit before any work starts. Once approved, excavation crews dig to the required frost depth and set up forms for the concrete walls. This is the loudest and most disruptive phase - expect one to two days of equipment activity.
Concrete is poured and allowed to cure before the forms come off. We apply exterior waterproofing and install the perimeter drain before backfilling the soil. A city inspector signs off on the completed work before any framing or further construction begins.
Free on-site visit. Written quote. We explain every line item.
(920) 375-8490Fond du Lac requires foundations to extend below roughly four feet of frost depth. We excavate to the correct depth on every job - not the minimum we can get away with. A foundation that does not go deep enough will heave and crack within a few winters, and fixing it costs far more than doing it right the first time.
Exterior waterproofing and a perimeter drainage system are included in every foundation installation we do - not offered as an upsell. Near Lake Winnebago, where the water table is elevated, this is not optional. A dry basement through Fond du Lac's wet springs protects your home's structure and your family's air quality.
We pull every City of Fond du Lac building permit before work begins and schedule all required inspections. You get documented proof from an independent city inspector that the work was done correctly - which matters at closing and matters now if anything changes. Verify contractor registration at Wisconsin DSPS.
Fond du Lac has a substantial number of homes built before 1960 with stone rubble or early concrete block foundations. Replacing one of these is more complex than new construction - it requires supporting the structure while the old foundation is removed. We have done this type of work on older Fond du Lac homes and can assess your situation honestly.
Foundation work is the highest-stakes concrete project on a residential property - it is underground, it is structural, and problems do not show up immediately. We bring the local knowledge, the permit discipline, and the waterproofing attention that this type of work requires in Fond du Lac's specific soil and climate conditions.
Heavy-use concrete flatwork for parking areas - designed for load distribution, drainage, and long-term durability under vehicle traffic.
Learn MoreReinforced concrete slabs for garages, workshops, and home additions - including soil prep, vapor barriers, and city permits.
Learn MoreSpring slots fill fast - lock in your start date before the ground thaws and the calendar fills up.