Asphalt Crack Filler

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Browse the hot rubbeirzed crack filler and cold pour driveway crack filler collection. 

Looking for Asphalt Crack Filling Machines? We have them under the Crack Filling Equipment Section.


What is hot crack filler?

What's the difference between Hot Crack Filler and Cold Crack Filler?

So what is the difference between hot crack filler and cold crack filler? And which one should I choose?

Cold pour crack filler on the market is usually made from asphalt emulsion with some elastic content added in. The content is similar to a driveway sealer and contains some water content. That's why there will be some shrinkage after curing. It takes 24-48 hours for cold crack filler to dry completely. It will not hold up in high traffic areas, but for foot traffic and diy crack repair projects it is a popular choice. We offer rubberized cold pour crack filler options in our diy driveway repair section.

Be aware that some cold crack fillers are acrylic based, and they dry to a hard, inflexible solid. They lack the pliability to expand or contract with changing temperatures. Frequently, this lack of flexibility results in the failure of the repair as the plug can be ejected when the surrounding ground freezes.

Hot pour crack sealer start out as a solid that is melted at the site until it is liquid. It is then applied hot and allowed to cool for a few minutes before applying a pavement sealer.
Hot-pour sealants dry to a spongy, elastic solid. This pliability allows them to expand or contract as the ground freezes and thaws. Hot-pour crack sealer bond tightly to the asphalt to which they are applied. Shrinkage is minimal.

While Cold-pour fillers are normally reserved for residential driveways or emergency repairs that are intended as a stop-gap or temporary measure, hot pour crack sealer (filler) are preferred by the majority of municipalities, commercial property owners and federal and state transportation agencies.

While cold pour sealer cannot be used when the temperature falls below a certain point as the colder temperatures will not allow the moisture in the sealant to evaporate properly, hot-pour sealer can be used under virtually any weather conditions that permit asphalt to be worked safely.

How much crack filler do I need?

Generally speaking, a standard driveway uses about 6 blocks. A long driveway or a small parking lot uses about 12 blocks. If you are still unsure how much you need for your crack fill project, use our crack fill calculator here to calculate how many LBS of crack filler you need. 

Hot crack filler is traffic ready as soon as it cools down enough to become not tacky anymore, which takes 10-40 minutes depending on the weather. In cold weathers the melted crack filler cools faster. To test, you can use a stick to poke the filler sealant, if it does not tack to the stick then you are ready for foot traffic. Give it an additional few minutes for vehicle traffic.  

Can I fill driveway cracks in the winter?

It depends on where you are, it is recommended to fill cracks when pavement is at least 40°F. That being said it is still possible to fill cracks in cold weathers by heating up the pavement by using a heat lance or a weed torch. Torching the cracks prior to crack filling also makes sure the crack walls are completely void of moisture.

What temperature should I apply hot pour crack filler at?

380 - 400°F (193 - 204°C). Try to keep the crackfill machine's temperature under 500°F as prolonged exposure to high heat will oxidize and age the asphalt in the crack filler.

Does hot crack filler expire? 
How long can I keep unused crack filler?

Generally speaking, unlike cold crack filler which is emulsified with water, hot crack filler does not "expire". Most hot asphalt crack filler has a shelf life of 10 years or more. If stored outside, make sure to keep unboxed sealants out of direct sunlight as UV damage is one major factor that ages the sealant. In addition prolonged high temperature can accelerate asphalt aging so when the weather gets hot it may be a good idea to bring the crack filler in doors or to a cool shady place. 

Can you seal coat over the filled cracks?

Yes. Both hot rubber asphalt crack filler and cold pour crack filler cracks can be sealed over with a driveway sealer. All are asphalt based products.

After crack filling, how soon can you seal coat?

For both liquid cold-pour crack filler, it is important to let the sealant dry completely before spraying or squeegeeing on seal coat, as trapped water will affect bonding later. It takes cold crack filler 24 to 48 hours to completely dry.

For hot pour crack filler, as there is no water in the formula it is ready for seal coat application much sooner, usually in 20-40 minutes. It is important to let the hot crack filler cool down to ambient temperature prior to applying driveway sealer. 

When melting the hot tar crack filler, does the plastic wrapper go inside the melter kettle?

Yes. The plastic wrapper is designed to melt together with the hot crack filler inside the kettle. 

Does the hot pour crack filler work with latex paint?

Use with caution. The rubber asphalt will bond to the paint. However the paint might peel off the pavement overtime. 

How many blocks can a 10 gallon melter take?

Each block of hot asphalt crack filler melts down to about 2.5 gallons. So 3 to 4 blocks can go in the 10 gallon crack filling machine melted, or 6-12 blocks in the 30 gallon crack melter kettle. 

Each pound of hot crack filler covers about 7-8 linear feet of medium width cracks. Each crack filler block covers about 150 linear feet of medium cracks, or 200 linear feet of small cracks. It is recommended that for large and deep pavement cracks, fill the crack with silica sand till about half inch to the pavement surface prior to pouring crack filler product. This gives better structural support as well as using the crack filler more efficiently.

If you are unsure, you can use our crack fill and sealcoat calculators here to calculate how many LBS of crack filler product you need.

Asphalt crack filler is the preferred method of contractors to fill cracks and potholes in all asphalt surfaces. There are two main options - hot crack filler and cold pour crack filler - both of which offer professional grade repairs.

Hot crack filler requires melting at high temperatures before it is applied to the cracked surface using an applicator such as a pour pot. This offers the highest standard of asphalt repair available as hot filler dries to a spongy, elastic solid - meaning its pliability allows the repair to contract and expand with extreme temperature changes, giving more protection against future damage.

Cold pour crack filler is ready-to-use and can be poured directly from the container or using a piece of equipment called an applicator (such as this pour pot). The premium grade sealant is emulsion based and fortified with latex and fillers and is better than most market alternatives. It must be mixed well before use and poured directly into asphalt cracks, and takes up to 36 hours to fully cure.

Specialized 1-in-1 machines such as our HOTBOX 10E are both melters and applicators. These professional grade pieces of equipment continuously maintain the correct temperature for hot crack filler and can also be used with cold pour fillers.

Crack filler is designed to protect against water damage, UV rays and heavy traffic - but our Asphalt Cold Patch can offer a similar degree of protection with amazing results.

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Got a cracked driveway? We have the best asphalt crack fillers for any driveway repair needs. Our range of hot rubberized crack filler and cold pour crack filling products will have your entire driveway looking like new in no time.

What is hot crack filler?

Hot Crack Filler is a preferred method for contractors in comparison to Cold Crack Fillers, as it offers a greater quality and longer lasting crack repair for driveways, parking lots and all other asphalt maintenance needs. It dries quickly, can prevent water intrusion and with the right tools you can prevent further damage to your surface.

Hot Asphalt Crack Filling - sometimes called Hot Tar Crack Filling or sealing - is a generic term that describes a hot melt method to fill asphalt pavement cracks. Although filling cracks in concrete can be done with this same type of crack filler, it is not desired due to the asphalt rubber's darker color.

The hot crack filler we provide is a rubber containing sealant that should be heated to around 400º with asphalt melting equipment and applied with crack filling machines.

What is cold pour crack filler?

Cold pour crack filler is usually made from asphalt emulsion fortified with latex and fillers. The content is similar to a driveway sealer and is designed to have better resistance to re-cracking and last longer than similar alternatives.

While there will be some shrinkage after curing - It takes 24-48 hours for cold crack filler to dry completely - our products are professional grade with the best quality performance in mind.

It will not hold up in high traffic areas, but for foot traffic and DIY crack repair projects it is a popular and cost effective choice. It works as an excellent driveway crack filler for all the cracks you may have.

Key differences between hot and cold crack fillers

While both products are industry standard and excellent at repairing all cracks, there are some key differences to the filler material to be aware of.

While Cold-pour fillers are normally reserved for residential driveways or emergency repairs that are intended as a stop-gap or temporary measure, hot pour crack sealer (filler) are preferred by the majority of municipalities, commercial property owners and federal and state transportation agencies. Hot mix is preferable for larger cracks and more industrial-sized projects.

Some cold crack fillers are acrylic based and they dry to a hard, inflexible solid. They lack the pliability to expand or contract with changing temperatures. This can sometimes result in the failure of the repair as the plug can be ejected when the surrounding ground freezes. Cold pour is better used for hairline cracks and is poured directly onto the asphalt patch to seal cracks.

Hot pour crack sealer starts out as a solid that is melted at the site using a melter machine until it is liquid. It is then applied hot and allowed to cool for a few minutes before applying a pavement sealer.

Hot-pour sealants dry to a spongy, elastic solid. This pliability allows them to expand or contract as the ground freezes and thaws. Hot-pour crack sealers bond tightly to the asphalt to which they are applied.

While cold pour sealer cannot be used when the temperature falls below a certain point as the colder temperatures will not allow the moisture in the sealant to evaporate properly, hot-pour sealer can be used under virtually any weather conditions that permit asphalt to be worked safely.

Which equipment should I use for my asphalt driveway repair?

A number of machines that we stock can be used with both hot and cold pour crack filling products. While cold sealant can be poured direct from the container and applied with a squeegee, it can also be used with a simple pour pot for easier application.

Our melters and applicators can be combined to use both hot and cold crack filler.

Specialized 2-in-1 machines such as the HOTBOX 10E, the new and improved version of our best-selling machine for asphalt driveway repairs, both melt the hot rubberized crack sealant and can be used to apply it to any damage, from hairline cracks to potholes.

With a range of features such as push-button ignition and auto-ignite on flameout, this top of the range machine can melt hot crack sealer in as little as 15 minutes - then you'll be ready to tackle those parking lots and asphalt driveway repairs.

How much crack filler do I need?

Generally speaking, a standard driveway uses about 6 blocks. A long driveway or a small parking lot uses about 12 blocks. It also depends on the affected area, as deeper cracks and wider cracks will of course require more crack sealing products.

If you are still unsure how much you need for your crack fill project, use our crack fill calculator here to calculate how many LBS of crack filler you need.

How soon can you drive on newly filled cracks?

Hot crack filler is traffic ready as soon as it cools down enough to become not tacky anymore, which takes 10-40 minutes depending on the weather. In cold climates the melted crack filler cools faster.

To test, you can use a stick to poke the filler sealant. If it does not tack to the stick then you are ready for foot traffic. Give it an additional few minutes for vehicle traffic.  

Should I pour sand over filled cracks?

Although applying sand on top of the sealed crack is not required, doing so can increase traction for foot and vehicle traffic. It might be beneficial to apply sand if there will be traffic driving or walking through prior to the crack filler completely dries.

Can I use regular sand on top of cracks?

It is best to use silica sand since silicon dioxide (silica) is resistant to acid corrosion. On the other hand, while regular sand is good and may be acceptable for short term use, the large amount of impurities in it may affect the sealcoat applied on top of it.

Sand is often used as an aggregate to prevent the asphalt repair from being too slippy, but can give a less-desired speckled gray effect once dried. Our Pavemade Black Aggregate has better adhesive qualities and can be mixed with your sealant to give your driveway maximum grip and a jet-black finish.

How long does it take asphalt crack filler to dry?

Unlike cold pour crack filler that needs to dry (or cure) over a long time, there is no curing for hot asphalt crack fillers. While cold pour filler dries in about 24-48 hours, hot pour crack filler is traffic ready in 10-40 minutes, as long as the applied sealant cools down to ambient temperature.

Can I fill driveway cracks in the winter?

It depends on where you are. It is recommended to fill cracks when the pavement is at least 40°F. That being said, it is still possible to fill cracks in cold weathers by heating up the pavement by using a heat lance or a propane torch

Torching the cracks prior to crack filling also makes sure the crack walls are completely void of moisture, offering you the best asphalt repair for your driveway.

What temperature should I apply hot pour crack filler at?

380 - 400°F (193 - 204°C). Try to keep the crackfill machine's temperature under 500°F as prolonged exposure to high heat will oxidize and age the asphalt in the crack filler.

Our range of asphalt melters and our 2-in-1 melter-applicators have built in temperature gauges for best operational use. Used together with our asphalt repair products, you'll be sealing cracks like a pro in no time. 

How long can I keep unused crack filler?

Unlike cold crack filler which is emulsified with water, hot crack filler does not "expire." Most hot asphalt crack filler has a shelf life of 10 years or more. If stored outside, make sure to keep unboxed sealants out of direct sunlight as UV damage is one major factor that ages the sealant.

In addition, prolonged high temperature can accelerate asphalt filler aging so when the weather gets hot it may be a good idea to bring the crack filler indoors or to a cool shady place. 

Can you sealcoat over the filled cracks?

Yes - it is recommended! Both hot rubber asphalt crack filler and cold pour crack filler cracks can be sealed over with a driveway sealer. To give your driveway cracks the best asphalt repair you can, it is more effective to add a sealant after the filling has been done.

Sealcoating adds an extra layer of protection to your asphalt driveway or parking lots as sealing protects asphalt cracks from deteriorating or re-cracking.

Driveways can be sealed either with a spray system or squeegee, depending on your individual preference and sealcoating needs. While spray sealcoating systems can be quicker and offer an even seal, a squeegee can push the sealant deeper into the surface and offer more protection.

After crack filling, how soon can you seal coat?

For liquid cold-pour crack filler, it is important to let the sealant dry completely before spraying or squeegeeing on seal coat, as trapped water will affect bonding later. It takes cold crack filler 24 to 48 hours to completely dry.

For hot pour crack filler, as there is no water in the formula it is ready for seal coat application much sooner, usually in 20-40 minutes. It is important to let the hot crack filler cool down to ambient temperature prior to applying driveway sealer. 

How do you clean up after filling asphalt cracks?

It's important to make sure you clean safely both before and after using driveway crack filler to ensure the best possible results and to prevent re-cracking in future.

Before even beginning your driveway repair and taking time to fill those cracks, it's vital to clean the entire affected area thoroughly for the best asphalt crack repair job. Clear away debris and make sure there's no dirt in any of the cracks which can affect the driveway and cause future deterioration.

After filling the smaller and larger cracks in your asphalt, you need to make sure you clean both the area and all the equipment and tools you've used to complete your project. Our Pavemade Equipment Cleaner can be used before and after work starts, preventing build-up and cleaning any and all equipment you've used to fix your driveway.

Non-toxic, non-flammable and more effective than diesel fuel, equipment cleaner is the ideal product to ensure longer-lasting equipment and a longer lasting asphalt repair.

When melting the hot tar crack filler, does the plastic wrapper go inside the melter kettle?

Yes. The plastic wrapper is designed to melt together with the hot crack filler inside the kettle. 

Does the hot pour crack filler work with latex paint?

Use with caution. The rubber asphalt will bond to the paint. However the paint might peel off the pavement overtime. 

How many blocks can a 10 gallon melter take?

Each block of hot asphalt crack filler melts down to about 2.5 gallons. So 3 to 4 blocks can go in the 10 gallon crack filling machine melted, or 6-12 blocks in the 30 gallon crack melter kettle. 

How many linear feet does the crack filler cover?

Each pound of hot crack filler covers about 7-8 linear feet of medium width cracks. Each crack filler block covers about 150 linear feet of medium cracks, or 200 linear feet of small cracks. It is recommended that for large and deep pavement cracks, fill the crack with silica sand till about half inch to the pavement surface prior to pouring crack filler product. This gives better structural support as well as using the crack filler more efficiently.

If you are unsure, you can use our crack fill and sealcoat calculators here to calculate how many LBS of crack filler product you need.