Keywords: Molded block for a system for covering areas; Foundation slab; Sound-absorbing construction elements and noise protection wall made of sound-absorbing construction elements; Trenche element; Device for positioning reinforcing stirrups on concrete elements; Masonry block of autoclaved aerated concrete; Method for manufacturing a cast-stone floor block and a surface-treated cast-stone floor block made by that method; Joint-cleaning machine for paved areas; Treatment compositions for fresh concrete or mortar surfaces which off er improved adhesion capacity and water retention power; Railway sleeper
(10) US 2014/0345224 Al
(22) Aug. 8, 2014
(71) Oldcastle Building Products Canada, Inc., St-John (CA)
(57) A dry-cast concrete block is provided. The dry-cast concrete block comprises a surface to be...