A bolster for use in construction has a pair of spaced apart frame members and a plurality of rung members in spaced relationship extending between the pair of spaced apart frame members. The pair of spaced apart frame members have a generally rectangular configuration and a plurality of openings formed therethrough. The pair of spaced apart frame members and the plurality of rung members are formed integrally together of a polymeric material. The openings of the pair of spaced apart frame members have a generally rectangular shape.