Crack Sealing and Crack Filling: Best 5 Differences

Crack Sealing and Crack Filling: Best 5 Differences

A cracked asphalt floor shouldn’t be solely a security hazard but in addition an unpleasant one. While this may not be an issue on a backroad, cracked asphalt in entrance of a residential or business property is a thorn within the flesh of the proprietor. First, it will probably trigger your property to lose curb attraction and worth; your online business can lose prospects and even harm automobiles. 

There are alternative ways to restore cracks in your asphalt pavement—fill the cracks or seal the cracks. Most individuals use crack filling and crack sealing interchangeably, despite the fact that they aren’t the identical. This distinction doesn’t imply one technique is best than the opposite. This put up will talk about the highest 5 variations between crack sealing and crack filling. 

Crack Sealing


Crack sealing is a technique of repairing cracks in asphalt pavement. Crack sealing goals to stop water from getting into the cracks and inflicting pavement deterioration. Crack sealing can also be used with a purpose to keep away from the formation of potholes. Cracks within the pavement could be brought on by visitors, temperature modifications, and subsurface soil motion. To seal cracks, scorching tar or asphalt-based materials is utilized to the floor of the crack.

The materials is then allowed to chill and harden, forming a seal that forestalls water from getting into the crack. Crack sealing is a crucial a part of sustaining asphalt pavement and ought to be carried out commonly to stop harm to the pavement.

Crack Filling

Crack Sealing and Crack Filling


Crack filling is the method of filling cracks in pavement with a fabric that seals the crack and prevents water from trickling down into the bottom and subbase. Cracks can kind for varied causes, together with environmental components similar to temperature modifications and the freeze-thaw cycle, in addition to visitors masses. An unfilled crack can finally result in potholes or bigger cracks, which might trigger structural harm to the pavement.

According to Florida asphalt paving experts from ABC Paving, filling cracks as quickly as they seem is the easiest way to stop additional harm and lengthen the lifespan of your pavement. Crack filling is usually completed with both hot-applied asphalt or cold-applied rubberized sealant. Both supplies are designed to face up to publicity to the weather and supply a long-lasting seal.

In some circumstances, a crack filling may additionally contain repairing underlying issues similar to drainage system points or settling basis stabilization earlier than making use of the sealant materials.

So, what’s the distinction between these two crack restore processes?

Types of Crack Each Method Repairs

Crack Sealing and Crack Filling


Crack sealing is used to restore cracks wider than a quarter-inch and fewer than an inch. These are typical cracks that kind as a result of enlargement and contraction of the pavement on account of temperature modifications. Crack filling, however, is used to restore cracks smaller than a quarter-inch. These are often surface-level cracks which have already been stuffed with sand or one other materials to stop water from seeping down into the bottom and subbase layers.

Materials Used

The supplies utilized in crack sealing differ from these used within the crack filling. Crack sealing entails using scorching tar or asphalt-based sealant, whereas crack filling makes use of cold-applied rubberized sealant. Asphalt-based sealant is heated to a excessive temperature earlier than being utilized to the floor of the crack. This permits the fabric to circulation into the crack and kind a good seal. Rubberized Sealant is utilized chilly and stays pliable, so it will probably fill small cracks and crevices.

Preparation Required

Another distinction between these two strategies is the extent of preparation required earlier than software. Crack sealing typically requires much less preparation than crack filling. For crack sealing, all that’s usually required is to scrub out any free particles from the crack and take away any vegetation.

In some circumstances, a primer may additionally be utilized to the floor of the crack earlier than the sealant is used. For crack filling, nonetheless, extra in depth preparation could also be crucial. This is as a result of the rubberized sealant utilized in crack filling should adhere to the perimeters of the crack, so the floor have to be utterly clear and freed from particles. The cracks may additionally should be widened barely with a chisel or different device to permit the sealant to circulation into the crack.


Crack sealing prevents water from getting into the crack and inflicting harm extra successfully than crack filling. This is as a result of the sealant utilized in crack sealing types a good, impenetrable barrier that forestalls water from seeping into the crack. Crack filling, however, solely fills the crack with a pliable materials that may finally be displaced by water.


Finally, one other distinction to contemplate is price. Crack sealing is usually cheaper than crack filling as a result of it requires much less materials and labor. However, crack filling is usually faster and could be completed in a single software, whereas sealing could require a number of functions to fill all of the cracks.

Also Read: 5 Benefits of Air Sealing Your New Home

Bottom Line

So, there you will have it! These are the primary variations between crack sealing and crack filling. As you possibly can see, every technique has its benefits and drawbacks. Choose the appropriate technique in your wants to make sure the absolute best outcomes.



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