Plaster-Weld® can be used over paints having oil, rubber or vinyl bases, and over silicone-treated surfaces, as well as latex paints. sheet lead in x-ray rooms) and marble are suitable sound surfaces, structurally. Concrete, brick, block, glass, ceramic tile, wallboard, metals (e.g. Plaster-Weld® prepares the surface to allow you to plaster directly to concrete over electric radiant heat cable, and to bond cement mortar beds to smooth concrete for installation of rigid foam insulation. DESIGNED FOR INTERIOR USE ONLY, the high performance bonding of one-coat finish plaster and/or two and three coat work to concrete ceilings, walls, columns, beams, and other structurally sound surfaces. The federal status of this trademark filing is CANCELLED - SECTION 8 as of Sunday, June 2, 2002. Plaster-Weld prepares the surface to allow you to plaster directly to concrete over electric radiant heat cable, and to bond cement mortar beds to smooth. Probably the best-known bonding agent to plasterers is Plaster-Weld. High-performance bonding of one-coat finish plaster and/or two and three coat work to. If any of the paint comes with it, the paint is not sufficiently bonded to the substrate. However you do need to make sure you scratched the scratch coat properly, and you do need to dampen an existing coat of plaster before you put on the new wet plaster. Bonds new plaster to any clean, structurally sound, interior surface. Spray lath and feathered plaster with a light coat of water and apply a thin coat (1/8 in.) of joint compound to all exposed surfaces. Clean all surfaces with a vacuum cleaner. The USPTO has given the PLASTER-WELD LIQUID LATH trademark a serial number of 72079996. 1 You shouldn't need a bonding agent, for putting a base coat on a scratch coat, or a finish coat on a base. Do NOT break the bond of plaster that has adhered to the back side of the 'good' plaster. The original chemical plaster bonding agent is a patented formulation incorporating polyvinyl acetate homopolymer. On Friday, August 21, 1959, a trademark application was filed for PLASTER-WELD LIQUID LATH with the United States Patent and Trademark Office. It looks really great.Plaster-Weld® bonds new plaster to any clean, structurally sound, interior surface. Lath, Quikrete bonding agent is sold at HD and lowes big chain hardware stores. plaster or gypsum plaster without a bonding agent, unless you lath it first. It’s a lot of information, I know, and I’m still learning, but that’s the basic process I’ve worked with and watched. The Best Concrete Bonding Agents for Your Project Plaster Weld Something. Plaster-Weld bonds new plaster to any clean, structurally sound, interior surface. After that you could simply use drywall mud, but if you want to be more authentic the plaster guy used a mix of molding plaster, lime, and gauging plaster. You will need to research the types of primer you can use to stick plaster to the cement board. Out of the three, a primer is the most convenient to use. Then, brown coat using structo-lite, wait for it to dry - before it’s fully dry cut back at the edges so you put a smooth top coat. Quite often, the plaster won’t adhere unless it is forced to bond with something else, such as a primer, stucco, or metal lath. Then cut a sheet of metal lath to fit the path area and affix it to the old wood lath using metal lath screws.įollowing that, if you can ahold of plaster weld, slather the area with it. Filed in August 21 (1959), the PLASTER-WELD LIQUID LATH covers Bonding Agents for. I’d recommend securing the areas around the deterioration with drywall screws and metal plaster washers (use a 1/4 paddle bit to cut just slightly below the surface). PLASTER-WELD LIQUID LATH is a trademark of Larsen Products Corporation. I’ve been working with a union plaster guy in Chicago to fix a lot of plaster walls in my 1904 building.
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