How To Install Dryvit Siding

The contractors install the dryvit siding over plywood osb substrate or existing siding.

How to install dryvit siding.

Eifs is not a do it yourself type of product. Certain brands of siding may call for specific repair techniques. Dryvit mixes into portland cement creating a mix that contractors spread with a trowel. Don t hesitate to call a professional if they seem beyond your comfort level.

Apply the sheathing to the exterior wall. Eifs usually consists of foam insulation board that is applied with adhesive directly to the home s exterior sheathing. They are not intended to be used when sealing dryvit to dryvit. Install the base coat which consists of a fiberglass mesh.

The cement must have a clean surface to successfully adhere to. Use a 3 or 4 inch screw and a 3 8 inch piece of pcv pipe. Adhere the expanded polystyrene eps insulation on top of the sheathing by using a trowel to apply the adhesive on the. Contractors spread the siding in 18 inch long strips.

A cement base coat is troweled over the foam and then a layer of mesh is installed into the wet cement for strength. Drill a hole with a 3 8 s drill bit into the cladding where you want the screw to go. Dow corning 791 and 795 are intended to be used as perimeter seals and at penetrations. A few words about the installation.

After the base coat has dried a finish coat is then troweled on for water resistance and texture. Soffit returns gable ends when frieze boards are to be installed install the dryvit system first. Proper installation is critical to the product s performance. Stick the pcv pipe in the hole and make a mark where it is flush with the wall.