I don't use or recommend washed concrete sand or the weed-filled cushion sand used by many builders. It's common because it's cheap. Helping with moisture. News Roundups.

I covered the dirt with linoleum and then made DIY white concrete by mixing white Portland cement with washed sand. It's pretty easy to wash sand in a mixing tray and I just mixed 4 parts sand to ...

After the nappies were washed, dried and shredded, the resulting material was combined with cement, sand, gravel and water. The team tested different mixes, replacing up to 40% of the sand in the ...