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Published : 01/04/2021 10:35:23
Categories : Advice
Are you planning to build an alley in your garden and are hesitant about choosing the pavement? Find out everything you need to know about cold asphalt, a mixture of gravel, sand and bitumen that has the advantage of being both permeable and extremely resistant.
Also known as "oil concrete" or "oil coating," asphalt is a coating used to cover or maintain roads and road roads. If it has the distinction of being very resistant, it is because it is composed of gravel, sand and a hydrocarbon binder like bitumen, applied in one or more layers by compaction.
Compared to tar,which consists of spreading only a layer of tar, the coating makes it possible to achieve much more durable developments: where a tar driveway has a lifespan of 3 to 10 years, a asphalt driveway can last 10 to 20 years provided it is well maintained.
There are several types of coatings. In reality, as many coatings as there are manufacturing techniques.
These coatings include:
During very cold winters, the pavement of a road can be damaged. What's the problem? Successive frost and thaw events, which can cause cracks, crevices and other potholes.
To scale up the road and make it more easily passable, nothing better than waiting for spring (it is estimated that below 10oC, a cold coating cannot be laid) and fill the holes. Cold asphalt is the most commonly used material for road renovations or repairs.
Moreover, it is also very suitable for finishes in individuals... The important thing is to use it instead to cover small areas,and what is more in thin layers.
In addition to being extremely resistant, cold asphalt has the advantage of being less expensive than hot coating. In fact, it's even the cheapest material among all those to fill the holes in a coating!
Beyond its attractiveprice, it is also easy to ask as it does not require the material that requires the kneading of a hot coating.
Finally, the cold coating is distinguished from other coatings by its environmental impact. Unlike other coatings, this material does not emit CO2 or greenhouse gases at the time of implementation... Better yet, it can even be obtained from a honey-coloured plant binder instead of the classic oil binder.
Be careful if you put a cold coating: the latter should not be in contact with your skin or your eyes! The best thing is toput on gloves and a construction outfit before you start. This way, you will be assured not to put yourself in danger.
Find our products dedicated to road maintenance and especially the cold asphalt on multitanks.com