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Written by Tim Anderson; Updated December 15, 2018Related Articles
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- 2 Know If There Is Structural Damage to a Home
- 3 Fix a Saggy Floor Joist
- 4 Recognize Foundation Cracks in Brick
All buildings, regardless of when or where they were built and with what material, are subject to movement. It can be seasonal shrinkage and expansion due to cold and heat, or the movement can be caused by slow settling into the ground below the home. As a result, cracks are a natural part of any home, whether in the walls or the ceilings. If you are looking at the cracks in your ceiling and trying to determine if they caused by age or are a sign of structural damage, there are a few things to check.
Spiderweb Cracks
The first, and most obvious, determiner in structural and age-related cracks is their size. Spiderweb cracks are a normal part of a home settling over the years. They can run throughout the home, not only on the ceiling but also on the walls, floors, grout joints in tile installations and concrete slabs. Alternatively, large cracks that are more than 1/16 inch wide are a sign of structural issues and should be dealt with.
Matching Vertical Cracks
Cracks that cause concern are those which run across the length of a ceiling and then continue down a wall along the same line. This is a sign of structural damage, usually related to a weak wall stud or perhaps something that was jarred loose in an earthquake or the settling of the home over time. Again, the size of the crack can help you determine if it is a pressing issue or something which has just begun to form.
Bowed Ceiling
If your cracks are accompanied by a bow or a “dip” in the ceiling, it is a sign of a large problem. The joists of a home are meant to hold up to the weight of the home and remain level, but once support weakens, the ceiling will start to sag as gravity takes over. If you spot any cracks that also include a sagging section — either along the crack or to one side of the crack — take immediate action and contact a structural engineer to determine the damage.
Location of the Cracks
The location of the cracks in your ceiling is a good way to determine whether or not there are larger issues at play. Although cracks along the edges of a ceiling are a normal part of a home's settling or movement, cracks across the middle of a room can be problematic. Wide, long and multiple cracks mean it's time to call a professional.
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About the Author
Tim Anderson has been freelance writing since 2007. His has been published online through GTV Magazine, Home Anatomy, TravBuddy, MMO Hub, Killer Guides and the Delegate2 group. He spent more than 15 years as a third-generation tile and stone contractor before transitioning into freelance writing.
Cite this Article Choose Citation Style
Anderson, Tim. 'How to Know When Ceiling Cracks Are Structural or Just Old.' Home Guides | SF Gate, http://homeguides.sfgate.com/ceiling-cracks-structural-just-old-36370.html. 15 December 2018.
Anderson, Tim. (2018, December 15). How to Know When Ceiling Cracks Are Structural or Just Old. Home Guides | SF Gate. Retrieved from http://homeguides.sfgate.com/ceiling-cracks-structural-just-old-36370.html
Anderson, Tim. 'How to Know When Ceiling Cracks Are Structural or Just Old' last modified December 15, 2018. http://homeguides.sfgate.com/ceiling-cracks-structural-just-old-36370.html
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