Step 5: Repair holes For holes up to about six inches in diameter, a variety of plaster brewing kits are available. Most products are something I use or have used and heartily recommend. Is my addition falling off? I have cracks in walls and ceilings. Then use a large 8 to 12 inches compound taping knife attached to completely cover the patch with a third and final layer. Aside from drainage problems we had last month and is now fixed. Continue until there is a series of holes about 4 inches apart on both sides of the crack. Plaster walls, by contrast, are constructed of two layers: the outer plaster and the inner wooden or metal lath.
There may be some seasoned actual pros on here with better thoughts or ideas, though. Also See: Fixing soft spots Ken Holmes is an award-winning print and web journalist and editor, as well as a former contractor. If the plaster is starting to separate from the walls, then Bill Wally has your answer over at : If the crack opens up again, use a more flexible caulk not just painter's caulk. It is no longer a hairline fracture but a more noticeable crack. Whether you are dealing with a concrete wall, a plaster wall, or drywall — also called sheetrock, plasterboard, or — affects the way you should go about fixing the crack. Sand the area with a very fine-grit sandpaper rated for use with drywall.
Repairing Outside Corners of Plaster Walls Measure the vertical length of the damaged area. When to Call a Professional If, after you repair cracks in walls, they reappear, get bigger, or are joined by cracks in other parts of the wall, ceiling, or foundation, it may be a sign of a larger problem. Once you have widened the crack, clean the dust and other debris out of the crack using a paintbrush or vacuum. Evil would be pleased with this job. Sand and Touch Up the Paint When the mud dries, sand the whole patch paying extra attention to the edges. Successful plaster crack repair means taking it slow and being patient enough to add multiple layers of joint compound to the wall.
Old Wall Cracks Old walls crack at their weakest stress points, which are typically above doors and windows and in corners. If there's any contamination, sealing it with a will ensure that your repair efforts aren't wasted. The structural integrity of your house might be compromised, so it's a good idea to consult a general contractor who can diagnose the cause. Could these be cracks that use to be in house before me fixed and now coming back out. It carries on during the day with less frequency and then as the house cools it starts up again but not quite as bad.
Is it a normal symptom of an aging house? This stretches the tape along the crack and prevents it from wrinkling. I can almost pinpoint it. Since the water problem is no longer an issue, can we simply repaint the ceilings or should we first repair any underlying plaster damage? Add only enough water to make it workable like fairly stiff mashed potatoes. If you need new paint match a paint chip to your wall and bring it to your local paint store to have the color matched. Seems like a lot of work and the full dimension 2×4 joists should probably be reinforced. But unkeyed plaster is a problem that just gets worse and damages more and more of the surrounding plaster until it has broken so many keys that the plaster just falls to the floor. Roof guy said not the roof.
If this doesn't happen, it didn't cure right and drying out too fast is a common cause. The walls themselves have some cracks, some rather wide, some very fine, I'll mesh tape them up as necessary. Should I use mesh for every single crack, no matter how fine? The most important thing to remember about plaster repair is stability. I now need to sort out the upstairs. A very thin crack appears from corner of door frame to ceiling about 9 inches long on garage side of wall appears. You mention exposed existing lath where the plaster had failed and been removed. Sewer guy claims he only removed dirt outside of the house, so a guy could get down in the hole.
Thanks for contributing an answer to Home Improvement Stack Exchange! If you miss, the bit will sink in right to the chuck. Prime and paint if desired. Homes that still have in prime condition are often valued by homeowners and home buyers alike. Once the compound is dry, sand and finish the area. Be sure to get into the gouges that you have made along the crack and overlap the existing plaster. I'll deal with your question in two parts.
Which type of joint compound should you use? Feather out the edges of the strips as thinly as possible. Cover the slit with mud or spackle. Apply a third coat of thick mud over the whole patch overlapping the edges of the second coat. In addition, fill any holes used to tack up the piece of wood with joint compound. Sand even with the wall. Adding fiberglass mesh drywall tape to the crack is like giving Pee Wee anabolic steroids. Caulking Corners are more susceptible to movement than any other part of a home because they are where two different moving sections meet, similarly to how tectonic plates move beneath the surface of the Earth.