Pavers are porous, meaning they are prone to staining. The surfactants in laundry detergent work by bonding with both dirt ...

Permeable surfaces like gravel path or porous concrete pavers allow water to percolate, preventing waterlogging rather than hard solid surfaces mortared together where water sits and flows at high ...

Pervious concrete has gone from "experimental" projects to larger installations, say Scott Erickson of Evolution Paving Resources, a company in Salem, Ore., that is dedicated to improving the ...