Sandstone Retaining Walls & Sandstone Steps A Grade Sandstone Retaining Walls B Grade Sandstone Random Sandstone Sandstone Staircase Bushrock Retaining Walls Granite Bluestone Contact Us Contact Us Sidebar First Name Last Name Phone Email Comments Submit Split granite is a quarried hard durable rock used extensively in the construction of walls. It can be used in gardens for edging garden beds or it can be used as a feature in the garden. Granite Gallery