The subgrade, or underlying surface, must be properly compacted and leveled to support the slab. A stable subgrade ... Proper cleaning, sealing and occasional re-sealing will preserve the ...

Zep environmentally friendly concrete remover quickly removes concrete, lime, scale, calcium, mortar, grout and Portland cement from metal equipment, metal forms, shovels, tools and concrete mixers.

The Federal Contaminated Sites Action Plan (FCSAP) was established in 2005 as a 15-year program with funding of $4.54 billion from the Government of Canada. The program was renewed for another 15 ...