View Decomposed Granite Drainage Images. Decomposed granite patios getty museum la. This is my process of installing decomposed granite.
Choose a relatively flat area away from water drainage for protection.
Avoid using it near home entrances, or consider using doormats to keep the material from ruining your floor's surface. Homeadvisor's decomposed granite cost guide gives average prices to install decomposed or crushed granite. Over time, decomposed granite works its way into the soil, and you might need to add more. Decomposed granite is classification of rock that is derived from granite via its weathering to the point that the parent material readily fractures into smaller pieces of weaker rock.