We repair and re-support crawlspace pier and beam foundations. We install beams to support the crawlspace pier and beam portion. We install piers supporting foundations, supporting beams and supporting floor joists which in return levels and supports the house. We repair and seal cracks in crawlspace concrete foundation walls using epoxy injection, polyurethane, bonding adhesives and much more. We reinforce crawlspace concrete foundation walls using carbon fiber straps.
A crawlspace foundation is exactly what it sounds like. It is a foundation structure design where you can normally crawl under it and concrete piers/blocks or concrete wall sits on a concrete footing or sits directly on the ground. Basically the pier and beam structure is normally above the ground between 2 feet to 5 feet depending on the crawlspace structure. In some cases, the crawlspace is too low for even the smallest people to crawl under, especially when the crawlspace height is less than 1 foot which is more common on homes built in the early 1900s.
Pier & Beam /Crawl Space Repair
The piers typically sit on concrete footings or on the ground, and are evenly spaced underneath the structure to balance the load. The weight of the structure is transferred to the beams, which transfers it to the piers, and so on.
This design includes a crawl space, an open area below the floor, so access is available if issues arise that require repair.
Because the pier and beam/crawl space foundations are made of wood, they are susceptible to lumber deterioration over time. In addition, the footings that provide support are generally shallow — and therefore subject to substantial soil movements (relating to changes in the soil’s moisture content).
**Before and After**
Problems That Can Occur
These are not the only problems associated with crawl space/pier and beam structures, but they are the most prevalent. The “good” news about repairing and leveling a pier and beam foundation is that it is adjustable by nature of the design and the work can usually be done without relocation of tenants or furnishings.
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Since this system is considered a shallow foundation, it is subject to the effects of soil movement. As soil shifts, the structure becomes unlevel and distorted. This movement can occur over long periods of time, or sometimes very quickly.
Here is what we do:
Work to control the soil’s moisture content. It starts with drainage corrections — no water should be allowed to enter the crawl space or stand/accumulate around the exterior of the crawl space. It is imperative that the crawl space remains dry.
Moisture Barrier in the crawl space. This is done by placing a heavy plastic vapor barrier over the ground under the structure and extending it up along the perimeter walls.
During periods of prolonged drought, add moisture to the soil. This can be done by utilizing “soaker” hoses periodically.