How To Fix Cracks In Outside Walls. The totally awesome outdoors show presents how to repair cracks in a wall! Here's how to tell—and fix new lumber, sometimes called green lumber, contains a high level of moisture and tends to move slightly as it dries out, so small wall cracks are.
There is no need to panic, however, as only a small amount of cracks are symptomatic of a more serious underlying structural problem.
There is no need to panic, however, as only a small amount of cracks are symptomatic of a more serious underlying structural problem. Sometimes, though, cracks in walls signify a larger problem. How to fix cracks in ceilings and walls. If cracks in drywall or plaster are deeper than a 1/4 inch, you will have better success if you first fill the the crevice with a filler compound prior to taping with joint compound.