Note: Manufacturer does not recommend installing large format rectangular tile using a staggered brick/running bond grout joint pattern. Joint locations can be random and should be positioned to be no less than 30% of the length of the adjacent tile (<30%). Alternating joints, straight-lay, 1/3 and less or herring bone patterns are acceptable with a grout size to be no less than 1/8” (>1/8”).9×48 Floor