![]() You might be looking for a way to increase the value of the building and you feel like drywall might be a better investment than the older lath and plaster.You might have lead and asbestos present in the building that you would like to remove, which you can only get to by cutting through the plaster.The electrician might have a hard time snaking wiring through the house because the thick plaster is getting in the way of the wires themselves.You might want to replace the wood and plaster at the same time. You could be concerned about the wood rot that is present the lath structure beneath the plaster itself.You might be concerned that you cannot repair it effectively. You might notice a lot of settling cracks in the plaster that are threatening the structural integrity of the wall.There are several reasons why you might want to replace the lath and plaster model with drywall. What are the benefits and drawbacks of using lath and plaster? Why would you want to replace this with drywall? What Are the Top Reasons To Replace Lath and Plaster with Drywall? At the same time, this building technique has fallen out of favor as people go with drywall today. This is a simple building technique that is strong, cost-effective, and relatively quick. ![]() Finishing of PlasterĪfter the repaired area is cured and has dried, the surface is finished and painted with the colour to match the surrounding area.The old wall is covered with lath and covered with clay Curing of PlasterĬuring the repaired area is not required as the REPAIR MORTAR is self curing. ![]() REPAIR MORTAR can be applied to the surface and finished to match with the surrounding old plaster. ![]() The surface is washed and cleaned and needs to be kept moistened for repair. The dust and lose particles need to be cleaned off. In the case of concrete surfaces, the old plaster has to be thoroughly scrubbed with a wire brush after the plaster had been cut out, and the area needs to be pockmarked to roughen by a wire brush. The surface is then thoroughly washed with water to moisten the surface to enable good adhesion of the repair mortar. The raking is carried out uniformly with a raking tool, and loose mortar is dusted off. The masonry joints which become exposed after removal of old plaster are raked out to a minimum depth of 10 mm in the case of brickwork, and 20 mm in the case of stonework. The edges of the chiped area need to be slanted to form an undercut to provide a neat joint. The patch has to be cut out in a square or rectangular shape around the crack or void where repairing is needed. This needs to be chipped and removed first. The patch of plaster, where the wall has cracked will normally sound hollow when gently tapped on the surface. Slaking of lime particles present in the plaster Voids and chipping caused due to the impact when furniture is moved around the house Hairline cracks caused due to moisture evaporation, delaminating crack due to plaster pulling away from the lath behind it, and settlement cracks due to building structure settlement. Table 1 Common plaster wall problems and their causes Types of plaster wall problems By doing this, the most suitable technique and equipment can be employed to repair the damage and therefore achieve the desired result. The type of damage shall be ascertained prior to the commencement of repairing operation. The repairing process of plaster walls is presented in the following sections. The most common problem with plaster walls is crumbling, water damage, cracking or pulling away from the lath behind it. Repairing of plaster walls is needed from time to time as the building ages.
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