Drainage Specialists. Serving the Bay Area Since 1986 .
510-528-1565 Free estimates to the Homeowner.
California State License #494503
We are a highly reputable General Contractor in the Bay Area since 1986.Specializing in all aspects of residential and commercial drainage installation and design.Sump pump installation . Foundation and basement waterproofing. Basement water. Water drainage.Foundation replacement .Retaining walls.Our company prides itself on installing systems that work to protect your home and business. Prevention of mold mildew odor in your basement of crawl space. Drainage inspection service for Home buyer and Real estate agents.
Subterrain drains french drains sump pump installation storm drains battery backup sump pump systems foundation and basement waterproofing erosion control roof drainage catch basins drain channel basement waterproofing concrete v ditches. Wet and damp crawl space,crawl space water can be dry there is a solution.The purpose of a drainage system is to carry unwanted free standing water and ground water away from a building such as a home. Installing a drain system is labor intensive and time consuming project that involves , depending on the site removal re-installation sections of decks, concrete walkways driveways working around trees tree roots and underground utilities.
French drains or sub drains are commonly installed near the perimeter of a building at the lowest point where standing or ground water is found. The system may terminate at a point where the water will not drain back towards the house. Depending on the situation and site conditions sometimes a gravity system may not work the installation of a sump pump may be needed to get the water flow away from the house.
Down spouts systems.Drain lines can be used to carry roof water from downspouts away from buildings stops water from pooling and saturating the foundation and crawl space.Good drainage around the permit er of the house will prevent mold and mildew growth on the ground floor.
Sump pump installation and repair specifically designed and installed for your project. In the event of a pump or power failure we will design and install a battery backup sump pump system.
Foundation repair and replacement .Retaining walls. Seismic upgrade. Common problems for foundations.
Homes built before 1950 have serious flaws in the foundations . Those include poor material in the concrete no reinforcement (re-bar) no or poor connection between the sill plate and the foundation (foundation bolts) tie downs.
Due to the poor material and construction techniques older homes are more vulnerable to the effects of water weather and aging.Many bay area homes are built on clay soil.Clay soil shift seasonally as the ground becomes wetter in the winter and drier in the summer expansion and contraction of the soil cause the foundation to move and rotate.Moisture can seep under the foundation causing lifting and supplemental of the foundation. Furthermore un compacted fill soil can settle over time as moisture causes the soil to compact.
Free estimates to the Homeowner.
Carty Construction, Inc
