![]() ![]() Wide cracks: A crack of 1/4 inch to 1/2 inch in width is problematic it's a sign of something going on that is more serious than a house settling or climate control issues.They are most common in the first 10 years of plaster installation. Diagonal, horizontal, or vertical cracks: These streak-like cracks are structural cracks caused by foundation movement, moisture expansion, or plaster drying and shrinking.This is a sign of a bigger problem that should be remedied immediately. It could be from outside water getting in or a pipe in the walls that has sprung a leak. Bubbling or discoloration of plaster: If you notice cracks that include bubbling, wetness, discoloration, or water stains, you likely have water seeping into the wall.The outer layer may only need removal and replastering. Bulging is usually caused by a simple problem like the outer layer separated from the inner layer of plaster, called delamination. Bulging: Bulges in plaster create small cracks emanating from them.Hairline cracks are usually caused by plaster drying, expanding, and contracting. There is no need to bother with them unless you want to clean them up cosmetically. Hairline or spiderweb cracks: These cracks are benign they are so small that you can hardly fit a fingernail in them.You might be concerned that you cannot repair it effectively. A few of the top reasons include: You might notice a lot of settling cracks in the plaster that are threatening the structural integrity of the wall. The Spruce Home Improvement Review Board There are several reasons why you might want to replace the lath and plaster model with drywall. ![]()
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