1/17/2024 0 Comments Veneer plaster casing beads![]() ![]() Note: The SMA also offers a combined Lathing and Plastering (LP) certificate for those who pass both the Lath and Plaster tests (at reduced cost of $100 for both). You can also choose to take an optional 50-question test (cost $75) if you want certificate of completion on Lathing. The videos explain why lathing and flashing are critical to a successful stucco wall assembly, how stucco systems manage water, how windows and penetration flashing work.Įach module is 30 minutes. The modules cover lath materials, codes and standards relevant to lathing, tools, safety, per-installation inspection, and tips on lathing. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian esk. The SMA video training course on Lath contains two modules (plus an optional test for those wanting a certificate). insects, mold, twisting, and shrinkage once the structure is. Lathers require a wide knowledge base of framing and flashing, which explains why many lathers end up becoming estimators or project managers for general contractors. Metal Lath & Plastering Accessories Introduction. The skilled and knowledgeable lather should be able to read blueprints, be good at math and have an understanding of building (structural) loads, deflection criteria and water penetration issues. A lather can also install solid lath panel base products for plaster, such as gypsum lath used for skim coat or veneer plaster assemblies. Always use eye and hearing protection when cutting metal with power tools to prevent serious injury.The lather must be well versed on flashing issues as they often install the water-resistant barrier that is integrated with penetrations flashings. A standard circular saw with a metal cutting blade can reduce cutting time on a larger job. is a national single source manufacturer for all drywall finishing beads and trims, channels and framing components as well as. ![]() Lath can be cut to size and shaped with shears. When are vermiculite and perlite used for making plaster When a lightweight, fire resistant plaster is needed. ClarkDietrich E-Flange embeddable stucco profiles provide 80 more embedment than standard 'flat flange' profiles. In order to allow the plaster or stucco to properly adhere to the lath, a minimum 1/4-inch gap should be maintained between the lath and the surface of the wall. Created by kblock331 Terms in this set (62) What is plaster A finish material made from various types of cementing compounds, fine aggregate, and water. PVC Casing Bead with embeddable flange design designed to terminate stucco and plaster with a moisture trap. Lath should be wire-tied at nine-inch intervals on edge and end laps to prevent separations. Acoustic plaster Bonding plaster, used on interior concrete walls and ceilings, fire-resistant plaster provides fire-resistance for steel and other materials Keenes cement plaster, which contains lime putty for a hard water-resistant finish lightweight plaster which contains vermiculite or perlite aggregates for fire resistance. When attaching lath to wood sheathing, 1-1/2 inch staples with a 3/4-inch crown should be used. Nails should be 16 inches on center with no more than a six inch vertical spacing. The mesh should feel rough if you run your hand downward across it and smooth when running your hand upward.Īttach the lath to wood framing with 1-1/2-inch roofing nails. In order to form a proper holding base for stucco or plaster, the pockets formed by the mesh should face upward. The seam between the first and second panels on the bottom of the wall should fall in the center of the panel placed immediately above them.Įxpanded metal lath has a diamond shaped mesh. Joints between panels should be staggered in a standard brick-laying pattern. ![]()
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