Work began, in 1996, by Crawl Space Door Systems, to create a product line that would give the home owner and the builder a means to improve an existing house or a new home.

We have engineered, designed, manufactured, and patented a unique selection of crawl space doors, air vents, flood vents, fans, and vent covers.

These patented products are designed to either allow maximum crawl space ventilation, flood protection, or encapsulate the crawl space. Our Flood Vents are designed in accordance with the requirements of the Code of Federal Regulations for the National Flood Insurance Program (NFIP) to provide automatic equalization of hydrostatic flood forces by allowing for the entry and exit of floodwaters, when properly installed and sized.

Our products are engineered as a solution for each unique home or building’s ventilation, encapsulation or flood protection issues/concerns. This technology is unparalleled by industry standards, price, and quality.