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ConcreteAsphalt

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Repair & Resurface

If you need more help and advice after reading our article, then talk to our Technical Advisors Monday - Friday, 8:00-17:30 on 01 6725 180. They are more than happy to help you.


Asphalt and Tarmac Repairs



Most asphalt repair materials stay slightly soft once applied, which makes them unsuitable for heavily trafficked areas. Therefore, you need to choose a product that is formulated to withstand the heaviest use, such as Watco Bitu-Mend Advanced which is suitable for holes from 10mm to 100mm deep.

To carry out the repair To carry out the repair, firstly brush out any loose material from the damaged surface and clean out any oil or water.

To mix the product, empty the contents of the smaller curing agent into the larger resin tin and mix thoroughly using a palette knife or similar wide bladed tool. Then empty the mixed components onto the granite aggregate and mix using a trowel to achieve a loose textured black compound, ensuring that the dry aggregate is thoroughly coated.

Once mixed, tip the product into the void and work into any gaps and crevices with a trowel. Finally, lightly tamp down with a piece of wood, compacting the product to remove air pockets and finish with a trowel, then allow to cure for 12 hours.

Asphalt fades over time, turning from a rich, dark colour to a lighter grey, especially when exposed to sunlight. Whilst faded asphalt is not necessarily a problem, you may find that any recent repair work is obvious due to being much darker in colour, making areas of your facility look unsightly.

Applying a bitumen-based surface dressing, such as Watco Black Top. Watco Black Top is far quicker and more economical than resurfacing the whole area. The dressing will give your asphalt a fresh black appearance and covering any repair patches or old line markings.

Once you notice worn patches on your surface, you should repair them as soon as possible to prevent further deterioration.

For heavy wear areas, instead of the traditional method of cutting out around the damaged asphalt and refilling with a similar material, we recommend using Watco Flowpatch Asphalt Repair. You can pour the epoxy mortar straight over the top of the surface erosion, making repairs quick and easy.

However, not all heavy wear areas are suitable for a pourable epoxy mortar, for example, on a ramp or against a metal threshold door. In these areas, carry out repairs using a trowellable epoxy resin with aggregate formulation, such as Watco Concrex Asphalt Repair.The strong, hard wearing formula cures in just 12 hours, minimising downtime at your facility.

Yes, you can easily repair a pothole yourself.

For potholes up to 100mm deep Bitu-Mend Pothole Repair is suitable but for deeper holes you will need Bitu-Mend Deep Fill.

To repair, just clear the surface of any loose material, surface water or oil and then fill the hole with the bitumen and aggregate blend and compress the mix with the back of a shovel or a tamper. Once compressed, make sure to sweep away any loose dirt and grit from the hole.

Asphalt failure is common when it butts up to metal or concrete around door thresholds or by metal tracks for roller shutter doors.

As these areas tend to shift under traffic or movement, conventional asphalt repair products will not be able to provide a long-lasting solution. With regular movement, the sand and cement will merely break away, leaving an exposed area needing further repair. Therefore, to ensure sturdy repair jobs, you need to use an epoxy resin that will stick to metal and hold the repair in place, such as Concrex Asphalt Repair.

Both asphalt and tarmac are highly resilient, but, as with any surface, they can become worn and damaged over time through everyday wear and tear from pedestrians, vehicles, heavy equipment, and the weather.

Common types of damage include: Worn surfaces, potholes, damaged floors and ramps, cracks and localised damage e.g. door thresholds and manhole covers

Potholes develop when water gets into a crack in the asphalt or tarmac surface and as it freezes and thaws repeatedly, the material is weakened and starts to deteriorate. The level of pedestrian and vehicle traffic over the area also contributes to how quickly the damage worsens if not repaired when it is first identified.

In the cold weather months, potholes get worse because the rock salt used on the roads to melt frozen water, frost and snow accelerates the freeze-thaw process which damages to the floor material further and increases the size of the pothole.

Areas that are subjected to regular impact from pedestrians, vehicles forklifts and equipment are common areas for damage to occur. Most asphalt repair materials stay slightly soft once applied, which makes them unsuitable for heavily trafficked areas.

To ensure your floor remains in good condition, choose repair products which can withstand heavy use, such as Concrex Asphalt Repair or Watco Bitu-Mend Advanced

No, however, damp asphalt and tarmac surfaces can be resurfaced and repaired using Flowpatch Asphalt Repair The product prevents further deterioration of the surface and cures in just 3 hours, minimising downtime for the area.

Despite its durability, asphalt becomes less flexible over time and cracks will start to form at random.

There are several factors that can accelerate the deterioration of the surface too, including constant exposure to the elements, hot sunlight or wet and freezing weather. In wet periods, cracks worsen too because rainwater seeps into them and washes the aggregate away. The damage becomes even worse if the water freezes and thaws, widening the crack.

Additional pressure from pedestrians, vehicles, and heavy equipment passing over the surface can also lead to cracks forming and growing.

Yes, when inspecting your asphalt there are a few signs that will indicate a pot hole is forming. These include spotting loose material around the surface of the road where it has become dislodged, cracks appearing in the material and where water is starting to pool in small areas of damage.

If you spot these signs, its always best to get underway with the repair work to prevent the pothole from developing or growing.

The regular impact from forklift and trolley wheels commonly causes asphalt ramps to fail at the base of the ramp, so special attention must be paid to these areas.

Conventional repair methods can be damaged by the small, hard wheels of forklifts, particularly at focal wear points such as a turning circle. Use an epoxy resin with aggregate formulation such as Bitu-Mend Advanced that can withstand significant impact for a longer-lasting repair.

A primer is not essential to carry out asphalt and tarmac repairs. However, priming first with Watco Tack Coat will make the job easier and provide a strong, permanent repair.

Asphalt Crack Filler is perfect for filling cracks in asphalt and tarmac. The rubberised bitumen formula provides long lasting protection against water damage.

It is important that repairs are waterproof as otherwise water could quickly penetrate the area again, leading to further repair requirements.

This will depend on the type of damage you need to repair. There are products that work for multiple materials. For example, Watco Bitu-Mend Pothole Repair and Watco Bitu-Mend Deep Fill are both ideal for filling holes in concrete, asphalt and tarmac. However, it is always best to check with an expert if you are unsure so that the repair does not become more costly if it needs to be repeated.

If your asphalt floor has obvious dark patches as a result of recent repair work, applying a bitumen-based surface dressing, such as Watco Black Top will quickly bring your surface back to life.

For best results, apply by roller in one coat, no more than 1.5mm thick. Avoid flooding the surface since this could lead to some temporary softening of the asphalt and extend the drying time of the coating. A brush may also may be used for edges, but avoid applying the product too thickly.

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