New answers tagged floor
You may be able to get it pulled up with coarnstarch. then spray the oil stain with hot water, squirt with Dawn dishwashing liquid, and add more hot water to create suds. Next, scrub the oil stains with a nylon bristle brush.
I can't recommend adding a plastic moisture barrier between the pads. Really if you have moisture in the soil then it needs to work its way out. Moisture comes out of concrete all the time - we only see the worst case scenarios. If you leave the plastic in there then the water will get trapped on the bottom slab. Very good for the short-term. Long-term ...
Just to circle back on this... my radon contractor stipulated that a polyethylene layer is needed for radon mitigation, and my crawlspace contractor agreed. The crawlspace contractor broke the concrete in a pitchfork-shape (to get good radon coverage and get around some concrete footings that are supporting the steel I-beam). He then dug a trench, put ...
Top 50 recent answers are included