Crawl Space Vent Fan

Overlapped separate sheets must be lapped at least 6 inches.

Crawl space vent fan. To convert to square inches multiply by 144. Silver galvanized steel crawl space fan vent the tjernlund underaire series v2d crawl the tjernlund underaire series v2d crawl space ventilator fan is designed to circulate fresh outdoor air underneath homesand porches. The air circulating device must move at least 1 cubic foot of air per 50 square feet of crawl space area.

Here is an example. A house has 1 500 square feet of crawl space area. The gaf master flow slider style foundation the gaf master flow slider style foundation vent allows air circulation to reduce moisture and helps prevent decay in your foundation crawl space.

4 7 out of 5 stars 13. Ventilates excess moisture the cause of mold mildew and wood rot. All crawl space walls must be insulated to appropriate r values for the regional climate.

Free shipping by amazon. In addition it s been determined that crawl space vents contribute to something known as the stack effect this is a phenomenon whereby warm air rises and leaves from the home s upper levels. The seams must be sealed.

It has a net free vent area of 40 sq. Item requires mortar to install. Get it as soon as fri oct 16.

The amount of ventilation required is 1 500 150 10 square feet. Once the standing water has been pumped out of the crawl space it is time to evaluate your crawl space to determine the right kind of crawl space fan that you will need. A crawl space ventilator can work for you though under the right circumstances.