Street creep is a common foundation problem that's caused by the thermal expansion and contraction of concrete streets and pavement surrounding a home.
Like many materials, concrete expands when it's hot and contracts when it's cold. Contractors place expansion joints in sidewalks, driveways and other exterior concrete slabs to allow concrete slabs to expand and contract independently and reduce cracking. Over time, standard concrete expansion joints can deteriorate or become filled with materials like sand and gravel. Once filled with debris, expansion joints can no longer do their job. The concrete expands as a single unit, causing the street to "creep" and exert tremendous pressure at the edge of the concrete, where the driveway meets a garage slab or house foundation wall.
Damage from street creep is a slow process - the elongation of a typical block-length concrete street is generally only a fraction of an inch each year. However, over time, the movement will add up to several inches, which will mean potentially serious damage to your foundation.
At Thrasher, we typically use a two-part process to repair foundation damage caused by street creep. Our structural technicians first install new expansion joints to help take pressure off of the foundation wall. We also have proven solutions to stop inward movement of the foundation walls.
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Cracked foundations, leaky basements and mildewy crawlspaces are often serious problems that shouldn't be ignored. If you feel you've put your repair project off long enough, financing can help you get it done now instead of later. It's not worth gambling with the investment you've made in your home!
Frequently Asked Questions
Wall anchors are one of the most proven and widely used methods of repairing basement walls damaged due to foundation issues. Not to be confused with drywall anchors, wall anchors are two metal plates, one placed in packed soil in your yard, the other placed against your basement wall, joined by a steel rod that can be rotated to bring the anchors together, restoring bowing, leaning and cracked basement walls to a straight vertical position.
A push pier is a foundation bracket placed along the footing of a building foundation to prevent sinking. Push piers are installed after the ground around the building foundation has been excavated and are anchored deep into stable soil to better support the building. A series of push piers are often used to help distribute the weight of a building onto the stable soil that anchors them.
Thrasher offers industry-leading, fully transferable warranties and guarantees. Almost all of our foundation repair, basement waterproofing and crawl space work is covered by a 25-year warranty. The warranty is attached to the property, so not only does the warranty transfer to the new owner if you sell your home, it will also transfer to any future owners that buy your home!
Many minor cracks are simply visual, and not indicative of serious structural damage. However, to distinguish this from cracks that might show larger problems, you must look at the size and number of cracks. If cracks are more than 1/8 inch or spanning a large surface area, that's probably serious. If the cracks are growing over time, it likely signals the foundation starting to give way under pressure,which could become a very serious issue.
Most foundation repair projects take our crews just one day to complete, and we do everything possible to minimize disruption to your home and surrounding grass and landscaping. Our Property Protection Guarantee ensures that all property such as lawns, floors, walls and door frames are protected, and we do our best to clean up after ourselves.
Some interior drywall cracks are normal while others can signal a foundation problem below. You can read more about identifying potentially harmful wall cracks and schedule a free foundation repair consultation with one of our experts if you notice damage that indicates a potential problem.