A: Alexander Graham Bell lived much of his life in the town of  Brantford, Ontario. The educator and primary inventor of the telephone settled there with his family in 1870.
Control joints can be bridged and moved to a grout joint, although it's better to try and lay the tile out to the joint if possible. It's expansion joints that must be honored thru the tile. __________________. Whether you think you can, or you think you can't, you're probably right..
Contraction/Control Joints. Contraction/control joints are placed in concrete slabs to control random cracking. A fresh concrete mixture is a fluid, plastic mass that can be molded into virtually any shape, but as the material hardens there is a reduction in volume or shrinkage.he soils or granular fill supporting the slab in service must be either undisturbed soil or well compacted. In addition, contraction joints should be placed to produce panels that are as square as possible and never exceeding a length to width ratio of 1.5 to 1 (Figure 1).