Use position nail dimensions. Your nails should just penetrate the roof deck boards when installing them. This is important if the too long, they'll go through the boards, breaking and splintering the wood at the back. This will reduce the boards' thickness as well as usually power belonging to the nails.
Clearly, a method of cutting slate to satisfy your patterns is required, generally consisting of a typical motorized wet tile saw with whether diamond blade or an abrasive blade setup subjected to a skill saw. There's much dust created while using the abrasive blades, so bear this in their mind and apply the necessary safety values. With this item functioning, utilized safely reduce your slate tiles to fit whatever pattern you might opt for. Add: many slate tiles are available precut style, stepping Stones with definite patterns described for cultured stone their use.