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Home & Garden Articles
Fixing Holes and Cracks in Walls
Sat 16 Dec 2006 - 12:06
Fixing Holes and Cracks in Walls
By Donnie Graham
Most walls in a home will develop a crack, or cracks, at some time, including yours and mine. For smaller ones, it's fairly easy to repair it, a DIY job, but if there's there's a large area of damage, it's probably best to replaster the whole wall, which might entail some specialist help. Whatever you do, don't rush this kind of job-a bit of patience is required for this work.
You'll need a filling knife, plasterer's trowel, hand water sprayer, plastic spreader, an old, wide paintbrush, sanding paper and block, battens, masonry nails, and hammer.
There's a wide range of materials on the market, which is a bonus for the DIY enthusiast. Use general purpose filler for smaller cracks and holes, and to finish, use a layer of fine surface filler.For the larger areas, use DIY repair and skimming plaster.
Before making a start, remember what I said about patience-it's needed from the outset, not just when things seem to be going wrong. Make hairline cracks bigger using a Stanley knife or similar, so that the filler will grip. Make sure that you brush out any loose material, and spray lightly with water. Use the plastic spreader or a filling knife to force the filler into the cracks and holes. Even off the edges the edges by stroking the filler with the knife in all directions.
For a larger hole, cut back the edges to the sound plaster, and ensure that you remove all the dust. Apply the first layer of filler up to about 5mm (1/4 in) thick, and press in well. Add more thin layers as necessary. Use a wide plastic spreader for the last layer, making sure it's flush with the wall surface.
If you have to do an area which is over 1 square metre, you'll have to level it with a plasterer's trowel. Chip back any loose edges, and press the new plaster into the hole with upward sweeps. You can get rid of any airholes using a fine surface filler. Load your tool evenly,and press firmly against the surface to save you the need for sanding. Drying times recommended by the manufacturers should be followed.
If corners are damaged, take a straight batten and lightly nail it level with one edge of the corner. Leave the other side of the damaged are exposed. Spread the repair plaster or filler on the exposed edge. Smooth the surface off against the edge of the batten. When the filler is completely dry, remove the batten, and position it on the other side. Apply filler as before, and smooth level with the batten.
To skim plaster, apply the skimming plaster with your old paintbrush, using upward strokes. Do square metre areas at a time, brushing out the plaster as you go along. As the plaster starts to dry out, smooth out the brush marks with a plastic spreader dipped in water. If you think it can still be improved upon, sand it down lightly.
Article Source: http://EzineArticles.com/?expert=Donnie_Graham
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