Protect your crawlspace from flooding!
Updated: Sep 23, 2019
When the ground near your crawlspace vent is graded toward your house, runoff can go right in your crawlspace vent! One rebuilt house I inspected actually had the whole yard graded so it would dump into the neighbor's crawlspace vents! These crawlspace wells can help. This site also has customizable powered vent fans.
Click on image above for link.