How To Use Plaster Repair Washers
Screw in as many plaster washers needed along the cracked or loose ridges of the plaster ceiling.
How to use plaster repair washers. Insert plaster washers trying to alternate them on opposite sides of the crack. A drywall screw goes through the washer and is driven into the wood lath behind the plaster. Many plaster walls have lead paint or asbestos issues and need to be recoated rather than removed. Mixed that way the plaster will set slowly and will be usable longer.
Allow the patch to dry overnight and then sand it level using 100 grit sandpaper and a sanding block. Plaster is easier to clean up if you mix it in a plastic tub. Use a trowel to apply joint compound over the loose edges covering the plaster washers. The unique design of the plaster washers anchors the plaster firmly against the lath stopping cracks and sagging.
What to use to secure loose or flapping plaster on walls and ceilings. Make sure to drive the screws into the lath. Conceal the plaster patch and the plaster washers by covering them with a self adhesive fiberglass mesh joint tape. If the plaster has a rough surface you may need to first scrape the surface to get the washer to lie flat.
To mix plaster pour it into water as you wiggle your fingers in the bottom of the pan. Dp525 1 1 4 plaster repair washers most common use is to stabilize and re support the sagging lamina or old plaster which is separating and cracking. Cover washers and cracks with joint compound and then skim coat the entire area with compound. The convex washer will flatten as the screw tightens.
Screws and the perforated plaster washers into the joists or studs about every 6 or 8 in. Create an indentation with the wood boring drill bit so the plaster washers sit flush with the wall. Push up the loose plaster and place 2 in. Use the six inch taping knife to apply a thin coat of drywall joint compound over the patch area.
Screw in plaster washers with drywall screws along the loose plaster ceiling. Plaster washers are about the size of a quarter and cost pennies.