Q. This week: My five year old second home has a five foot tall crawl space with a concrete floor (copper and PVC pipes and ductwork are down there, and a suspended 80,000 BTU transverse furnace).

Q–Our 6-year-old house has a partial basement with a 20-by-4-foot crawl space. Because the house is large, the basement is adequate for our needs. However, the crawl space is open to the base… ...

Q-My house has an unfinished crawl space under an addition that was built some years ago. This past winter I noticed that many of the joists were damp with condensation and that the cement block ...

Finally examine the ventilation of the crawl space. This means the foundation vents. Make sure they aren't blocked by plantings and that there are enough of them. Here, more is better.

The "crawl" space is 5 feet in height ... A. Current building code says that crawl spaces need ventilation at the rate of 1 square foot of net free vent area to 150 square feet of crawl space.

The vents in this home would service a crawl space of 1,350 square feet. So ventilation is adequate provided that all of them are unobstructed by plants and they are properly placed to provide the ...

Also, install vents on opposite sides of the crawl space to help ensure good airflow. Advertisement Section R408 of the IRC code lists requirements for ventilating under-floor spaces (crawl spaces).

Q. Should we ventilate our cabin crawl space or not? Our cabin measures 24-by-40 feet, has a 22-by-8-foot enclosed porch and seems to have been built sideways along a slight rise of fill adjacent ...

Q: You have often said that crawl-space vents need to be opened in the winter. Why is that? I always thought they should be closed to keep my water pipes from freezing. A. I used to think the same ...

The crawl space ventilation unit ventilates the entire crawl space, controls the airflow by utilizing replenishment air exclusively from the upper levels, and maximizes air circulation. The unit ...

Q. We have a crawl space under the front of our house that, to our horror, had become a rat condo, unbeknownst to us until the odor of urine began to permeate the living space above. (We had not ...