Exterior Surface Preparation
A new home installation typically involves installing the stone over wood or metal studs that have been covered with sheathing, moisture barrier, wire mesh, and a scratch coat of mortar. Existing structures with vinyl or wood siding may require the siding to be removed before installation. Sheathing materials include cement board or plywood and provide a durable surface to which all other layers will attach. Moisture barriers can be made of plastic or a composite material, but the most popular is felt paper, similar to what is used under roofing shingles. The requirement and specifications for a moisture barrier are typically defined by local or national building code. Installing wire mesh with a scratch coat of mortar creates the next layer. After drying, another layer of mortar will be laid and then the stone veneer will be installed.