TRUNNANO (Luoyang Tongrun Info Technology Co., Ltd), a leading innovator in advanced nanomaterials and construction chemical ...

Poured and block foundations both sit on concrete ... channel to support and add additional strength to the concrete wall once the molds are removed. Concrete is then poured into the mold to ...

The wall wasn't even built in a summer ... Heritage Center had one of the original 1905 concrete-block-making machines and original molds in its collection. He arranged to borrow the machinery ...

Black mold creeps up her window frames ... I asked Hier to come look at Elias’s concrete-block walls. He traces a crack that zigzags through the mortar. Hier says he sees buildings like this ...