ATLANTA WATERPROOFING CONTRACTORS

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Sealing the crawlspace

For many years, the widely accepted opinion was to ventilate crawlspaces to control moisture, mold, and mildew.  Thus, crawlspace ventilation was written into many building codes, and builders duly installed vents to comply.  Recently, the U.S. Department of Energy funded a study to determine the relative performance of sealed crawlspaces versus vented crawlspaces.  The study found that a sealed and conditioned crawlspace has many advantages over a vented crawlspace, including lower energy consumption, lower moisture content in the home's wood, lower humidity, and reduced fungus growth. 

To seal a crawlspace, the study recommends a number of procedures, including installing a standard waterproofing system; sealing all exterior wall penetrations and vents; installing a thick, plastic vapor retarder/barrier on the walls and floors; sealing all penetrations of ducts, electrical wires, and plumbing through the subfloor; insulating the spaces between floor joists; and installing a humidity management system. Crawlspace sealing work is typically performed by waterproofing companies. 

Waterproofing companies

Waterproofing companies, like any company working at the home, should carry both workers’ compensation insurance and liability insurance. Click here for additional information on insurance.

Because of changing weather conditions, waterproofing is a cyclical business.  The spring is usually the busiest time of the year for waterproofing companies.  However, whenever especially wet conditions occur, the best waterproofing companies can also get backed up.  Unfortunately, instead of waiting for a reputable company, unsuspecting homeowners sometimes take a chance with any company that can start right away. 

Remember, a poorly rated company cannot buy a good Home Reports rating. Click here for more information on Home Reports research methodology. A few companies received very good reviews in the research. Follow the links to learn more about these highly rated waterproofing companies.

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