Sorts Of Ceiling Cracks With Photos (April 2023)

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Ceiling cracks could be a supply of concern for owners. Whereas most ceiling cracks could also be beauty and never trigger critical issues, others can point out extra critical structural injury. This publish covers the varied forms of ceiling cracks with footage, so you possibly can establish what sort of crack you could be coping with and what it is advisable to restore it.

Understanding the various kinds of ceiling cracks is crucial for any home-owner to find out the right plan of action. From a hairline crack to structural cracks, it’s important to know the important thing traits of every kind of ceiling crack. They could point out various things concerning the situation and your house’s structural integrity.

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Hairline Ceiling Cracks

Hairline Ceiling Cracks

Hairline cracks are skinny cracks usually seen as straight or barely curved traces on the floor of the ceiling. They vary from a couple of inches to a number of ft lengthy, sometimes lower than 1/16 inch large. These could also be barely seen or considerably noticeable relying on the paint shade of the ceiling and the room’s lighting situations.

Usually, hairline cracks will not be instantly noticeable and are solely found when somebody is on the lookout for them or performing a routine inspection. Every other injury doesn’t often accompany them apart from perhaps tiny bubbles or peeling paint close to the crack.

These ceiling cracks will not be sometimes a trigger for concern and are sometimes the results of the same old settling of the constructing supplies over time. For instance, it’s regular for the inspiration to settle as a home ages, inflicting the ceiling to crack barely. Equally, the drying and shrinking of constructing supplies can even trigger small cracks within the ceiling.

Normally, hairline cracks are superficial cracks and don’t pose a structural menace. You possibly can ignore them or cowl them up if you need. There are a number of methods to restore hairline cracks if you wish to eliminate them altogether. You possibly can patch them with spackle compound, paint over it, or apply drywall tape (1).

Nevertheless, it’s a good suggestion to watch the expansion of those few cracks and examine for any modifications to them.

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Straight Ceiling Cracks


Straight ceiling cracks are slender cracks that run vertically, horizontally, or at a slight angle within the ceiling. These cracks are often uniform in look as a straight line and wouldn’t have any irregular or jagged edges. Usually, straight cracks will not be a trigger for concern and might be simply repaired.

Straight cracks are often brought on by errors made throughout the ceiling drywall set up course of. For instance, drywall mud points or insufficient taping of the drywall joints. Over time, the drywall tape can’t correctly follow the drywall joint and peels away. Basis settlement or excessive humidity can exacerbate it as nicely. 

Normally, you possibly can simply restore straight cracks. To finish these minor beauty touch-ups, take away the free tape, sand the floor beneath, apply the brand new drywall tape, and use a putty knife to cowl it with a skinny layer of drywall compound.

Earlier than making use of one other layer or trying to color, you should make sure the floor is totally dry. If the cracks are extra intensive or have any structural injury, it might be essential to interchange the drywall.

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Spiderweb Cracks

Spiderweb ceiling cracks are characterised by a sample of cracks that unfold out from a central level, resembling the rays of a spider net. These cracks usually seem as a sequence of high-quality, skinny traces intersecting and crossing over each other, forming web-like cracks over the ceiling.

They could be uniform in look or can fluctuate in width and depth over the ceiling’s floor. Typically, the spiderweb sample of cracks is usually symmetrical and radiates out from a central level, giving the looks of a fragile, lacy community of traces on the ceiling.

There are a number of things that might trigger spiderweb cracks within the ceiling, akin to moisture injury or basis settlement. They’ll additionally seem as a result of modifications in temperature and humidity ranges and even regular put on and tear.

Over time, the home’s basis settles and might strain the construction, weakening the body and drywall and inflicting crawling cracks within the ceiling. Though these cracks is probably not giant, spiderweb cracks might be an early indicator of the compromised structural integrity of your house. This could imply you want skilled evaluation and restore.

Whereas these cracks are often not a structural concern, they are often ugly and will have an effect on the looks and worth of a house. Repairing spiderweb cracks sometimes entails filling within the cracks with joint compound and sanding the floor clean, adopted by a recent coat of paint.

As talked about, some circumstances require skilled restore of the cracked ceiling to make sure the house’s construction just isn’t compromised. Contact knowledgeable contractor for evaluation and restore if the cracks are wider than 1/16 inch.

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Discolored Ceiling Cracks

Discolored Ceiling Cracks

Discolored cracks are nearly all the time a critical concern. These ceiling cracks sometimes have a yellow, brown, or blackish look. The discoloration is often concentrated across the crack however can unfold out and canopy a bigger ceiling space.

The colour and extent of the discoloration depend upon the reason for the crack and might fluctuate. Yellow or brown cracks within the ceiling often point out water injury, which may trigger critical injury to the home. If the discoloration and cracks are accompanied by sagging or warping of the ceiling, this exhibits a extra significant issue, akin to structural issues from water injury. 

Water injury causes discoloration and cracks within the ceiling if there’s a leak within the roof or plumbing. This may end up in swelling and warping of the ceiling materials, which may trigger the paint to crack and peel.

As well as, mildew can develop in damp, humid situations and trigger discoloration and marking on the ceiling. Mildew can even emit a musty odor and hurt folks’s well being.

If the ceiling has brown or yellow cracks, it is best to handle them promptly to stop additional injury. Within the case of water injury, fixing the leak and eradicating any broken supplies are important. If there’s mildew, it is best to have it eliminated by knowledgeable utilizing correct security precautions.

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Giant Cracks and Bowed Ceiling

bowed instance:

A bowed ceiling with giant, deep cracks has a noticeable and regarding look. The cracks are deep and large, usually operating in a number of instructions throughout the ceiling. The bowing is characterised by its concave form within the ceiling, which is very noticeable from under. It will possibly seem as a dropping or sagging ceiling, with the center or edges showing extra pronounced.

Giant, deep ceiling cracks accompanied by bowing point out extreme structural injury to the home. A number of components, together with water injury, poor workmanship, or weight-bearing issues, could cause a bowed ceiling.

The presence of bigger cracks together with bowing is a transparent signal that underlying extreme issues should be addressed promptly. These structural issues can result in a full or partial ceiling collapse if not addressed.

Water injury is a standard reason behind bowing in ceilings. This may be brought on by a roof or plumbing leak. Water penetrating the ceilings and partitions could cause swelling and warping of the supplies, which may ultimately trigger the ceiling to bow. Water injury can even trigger mildew to develop, which may have critical well being penalties for the occupant.

Poor development can even result in these harmful ceiling cracks. For instance, suppose the ceiling just isn’t adequately supported. In that case, it could start to bow below its personal weight, particularly if the constructing is older or the ceiling is comprised of heavy supplies. Moreover, water and moisture can penetrate the home if the ceiling just isn’t sealed appropriately. 

Understanding what’s inflicting the difficulty is necessary so you will get that repaired and forestall any additional structural injury to your house. If the cracked ceiling is accompanied by bowing, you should contact a structural engineer to examine your home and guarantee it’s repaired promptly.


Cracks Between the Ceiling and Wall

Cracks between the ceiling and wall might sound abnormal, however they’ll point out structural issues. The commonest trigger is a truss uplift, when the ceiling body pulls away from the wall (2).

Regardless of the trigger, all these cracks are seen traces or fissures that separate the ceiling and wall surfaces. Cracks between the ceiling and the wall can come in numerous sizes and lengths. As well as, they’ll seem as each horizontal and vertical cracks alongside the floor.  

The looks of cracks between the ceiling and the wall can fluctuate relying on the reason for the crack. Cracks brought on by settling the home’s basis could also be bigger and extra pronounced close to the room’s corners. However, cracks brought on by water injury could also be broader and deeper close to the supply of the leak.

However, cracks brought on by shifting partitions could seem extra randomly, with no obvious correlation to the placement of the shift. In some circumstances, the cracks could have seen indicators of harm, akin to buckling the wall, cracking paint, and even mildew development, relying on the trigger. 

Much like the bowed ceiling, cracks between the ceiling and wall might be harmful and require a immediate analysis. To deal with all these ceiling cracks, you will need to decide the reason for the issue and take acceptable motion. A basis restore specialist could also be essential to guage the mandatory repairs to keep up the home’s structural integrity. 


Kinds of ceiling cracks with footage FAQ


How have you learnt if a ceiling crack is critical?

To find out the seriousness of a ceiling crack, assess its dimension, form, location, and age. A few of the most obvious indications of a extreme difficulty are discoloration or water stains, a visibly drooping or sagging ceiling, and a number of intensive cracks all through the world.

Suppose it’s giant, quickly rising, or accompanied by different indicators of structural injury. In that case, it’s thought-about a critical difficulty, and it’s best to hunt the recommendation of knowledgeable.


Are hairline cracks in ceilings regular?

Hairline ceiling cracks are typically thought-about to be regular and are sometimes the results of the inspiration settling. They’re often not critical and don’t all the time point out structural injury; nevertheless, it’s all the time a good suggestion to watch the expansion of the hairline cracks and examine for modifications.

You possibly can often restore them by making use of drywall compound and portray over them, however it’s thought-about superficial and pointless until you need to.


What does a straight crack within the ceiling imply?

Straight ceiling cracks happen when the drywall tape fails to stay correctly to the drywall panels and begins to peel away. That is usually as a result of inadequate plaster throughout the ceiling drywall set up course of and can be exacerbated by basis settlement and excessive humidity.


Ought to I fear about hairline cracks within the ceiling?

No, a hairline crack or two is often not a trigger for concern. These small cracks are often the results of regular settling over time. Due to this fact, it’s thought-about a superficial drawback and might be repaired shortly; nevertheless, monitoring these for any modifications is crucial.


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(2) – https://www.professionalroofing.internet/Articles/Assuaging-truss-uplift–02-01-2008/1227

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