Q. Our crawl space is 3 1/2 feet high, under the living room, dining room and kitchen. A waterproofing company installed a sump pump, and the ground is covered with plastic to reduce moisture. We h… ...

There are three avenues for properly ventilating your crawl space: Vent boxes. This “brute force” method involves cutting holes into the foundation wall or rim joist and installing a screen to ...