Re: Any magic for fixing persistent cracks? I expect they likely staggered the sheets (the finishers were plenty good enough that I can't tell at this point from the finished side without going back with a long level), but this crack would be above one of the taper joints.
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Do cracks in my walls indicate a structural problem? -Rachel
Most small cracks in drywall or plaster walls are not serious and are caused by seasonal expansion and contraction of the wood framing in your house over time. They’re often found at the corners of window and door frames, and can be patched using spackling or joint compound.
Larger cracks in your walls, however, can indicate structural or foundation problems. If the cracks in your walls exhibit these characteristics:
- The crack has a 3/16” or wider gap.
- One side of the wall is higher than the other.
- Your doors no longer close in the frame.
You may have a structural problem and should have your house examined by a foundation specialist.
Watch this video to find out more.
Further Information
Hairline Ceiling Crack
- How to Repair Cracks in Plaster Walls (video)
- How to Fill Cracks in Drywall (video)
- Foundation Cracks (video)
- Foundation Problems (article)
VIDEO TRANSCRIPT
Rachel Asks: I’m seeing a lot of small cracks in my walls. Do I have a structural problem?
Danny Lipford: It’s very unlikely that those small, hairline cracks that you see on the walls in your home, maybe above doors and windows, are actual structural problems. It’s usually just a little thermal expansion that can be repaired very easily by just using a little lightweight spackling.
But the type of crack you really need to be concerned with are those that are little wider than that, maybe three-sixteenth of an inch or more, and where one side of the crack is not level with the other side of the crack. That can indicate some active structural movement.
Also, if you have any doors in your home that don’t fit the jams quite as well as they used to, another tell-tale sign. Either of those situations you need to call out a foundation specialist and allow them to look very closely at that area of your home.
Hi
I got cracks on only on first floor walls and the ground floor is fully furnished.
On the site which was not finsihed and the walls were plastered however the ceilings were not plastered and it was left for about to 2 year . Got a call from client. I think it happened due yo extraction of ceiling . And advises
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Buy a fresh tube of paintable silicone caulking.
Caulking is useless once it becomes dry.
Apply a thin bead of caulk into the crack.
Be sure to get the caulk actually inside the crack.
Smooth out the caulk bead.
You can use a wet finger if the crack is small enough. If not, use a 5-in-1 tool or a putty knife.
Smooth out the caulk bead.
You can use a wet finger if the crack is small enough. If not, use a 5-in-1 tool or a putty knife.
Best Way To Fix Hairline Cracks In Drywall
Clean away excess caulk.
How To Fix Hairline Cracks In Concrete
Wipe the excess caulk away from the outside of the crack. Rubbing alcohol works great.
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Paint over the patch with primer.
Don’t skip this step or you’ll end up with a permanently goofy-looking, non-matching area.
Apply touch up paint to the patch in your wall color.
Hairline Ceiling Drywall Crack Repair
This is why you saved that half a gallon of leftover wall paint.