Concrete is heavy and mixing enough by yourself to cover your entire crawl space floor and walls is out of the question.
Make a crawl space cover in concrete wall.
That is 1 1 2 truckloads from a concrete truck.
Spread the plastic the length of the wall pulling it 2 or 3 feet past the wall end to measure the length.
To pour a floor 3 thick over a 1500 square foot crawl space floor alone is 14 4 cubic yards of concrete.
Proper crawl space insulation also can prevent your crawl space from becoming a moist environment that grows and harbors mold and mildew controlling crawl space temperature and moisture is a dual process that works toward a common goal.
A temperate lower area that will keep upper floors warm while your home s foundation remains in sound condition.
The alternative to pumping concrete is a liner sealing system of the crawl space.
Also since concrete does not provide a thermal break a temperature difference between the air and the concrete surface will cause condensation.
This is essentially a concrete barrier meant to help control moisture in the crawl space this is done several ways.
The advantages of this solution are many.
In this design a concrete pad called a mud pad is poured on the crawl space floor.
You might have noticed in the previous pictures that the concrete work for the crawl space was not done with much precision at all.
And that leads to more mold.
With and with out a vapor barrier.
Permanently seals walls and floors.