Putting A Concrete Floor In Crawl Space
Most types of tile can be used above crawl spaces unless there are significant moisture problems in the crawl space.
Putting a concrete floor in crawl space. The alternative to pumping concrete is a liner sealing system of the crawl space. That is 1 1 2 truckloads from a concrete truck. Ceramic and stone tile will be too heavy and too difficult to install on the access door. This is done several ways.
Problems with putting wood flooring over a crawlspace. Installing a hardwood floor directly over a crawlspace exposes the wood to moisture from the ground and from the air in the crawlspace. Concrete will keep out moisture and bugs. This is essentially a concrete barrier meant to help control moisture in the crawl space.
Tile floors usually require an special underlayment on top of the. Also since concrete does not provide a thermal break a temperature difference between the air and the concrete surface will cause condensation. The advantages of this solution are many. Getting concrete from a truck into your crawl space is a difficult.
The major exception is any crawl space access door in the floor. And that leads to more mold. In this design a concrete pad called a mud pad is poured on the crawl space floor. With and with out a vapor barrier.
Concrete crawl space floors will be difficult to install after framing has begun. Construction work that might need to be done in the crawl space will be much easier with a finished concrete floor. To pour a floor 3 thick over a 1500 square foot crawl space floor alone is 14 4 cubic yards of concrete. Permanently seals walls and floors.