Mesh and base layers are essential to stone dash stucco repair and installation. The base coat offers foundation strength so that cracks are not caused by structural shifts. The base is strengthened by fiberglass or metal mesh that enhances adhesion and durability. This mesh acts like a skeleton that provides support to the cement and also spreads the stress evenly. The base coat is next, which utilizes a sand-cement mix that is boosted by acrylic modifiers. This layer holds the mesh so that the finish coat has a firm foundation.