Installing Stone Veneer Over Plywood

Builders learned some very hard lessons about moisture management in stucco installations and those lessons need to be remembered when using manufactured.

Installing stone veneer over plywood.

The metal lath scratch coating may be applied over structurally sound wall surfaces of plywood osb concrete board or gypsum sheathing supported by wood or steel studs and over concrete or masonry walls. Below are the steps involved. Use a pre blended polymer fortified type s mortar and water known as svm stone veneer mortar. Stone veneer is always attached over a framed and sheathed structure like that used when a house is covered with lap siding or stucco.

Like stucco stone veneer requires a base of metal lath and mortar to which the veneer pieces are adhered. Traditional stone veneer installation. Eighteen gauge woven wire mesh may also be used. Prepare sheathing surfaces such as plywood or drywall to receive stone veneer by applying two layers of weather resistive barrier.

Boral s cultured stone installation instructions clearly state that two layer of housewrap or felt must be used when installing their stone veneer over anything other a masonry surface. Call an rcp block brick near you for available products and tips. You will be affixing the stone veneer to the scratch coat using a stone veneer mortar. To install a stone veneer start by covering the entire area with 18 gauge metal lath and using 2 inch nails to secure it to the surface.

Stonecraft stone veneer can be directly applied onto masonry surfaces. Plus there are options for installing stone veneer over both metal and wood framed walls as well as over masonry substrates of cmu block or brick and also over poured concrete. Next cover the lath with a 3 4 inch thick layer of mortar and scrape horizontal grooves into it so the stones will grip better. Yes you can install stone veneer over brick.

As with other surfaces the brick must provide a stable surface for the veneer layer. Installing the stone veneer. At the least you will need to apply a wet scratch coat to the brick before you install the veneer. Install galvanized 2 1 2 pound or heavier metal lath over the barriers.