Mastic Asphalt

What is mastic asphalt

Mastic asphalt is almost similar to the traditional kind of asphalt with which we are enough accustomed to. Like general asphalt, mastic asphalt too forms a surface material which is very thick. And it is able to form that surface material under the normal temperature conditions. But when mastic asphalt is exposed to a temperature which is extremely high, it forms a dense liquid substance. That heated liquid can be spread or poured over any surface.

 

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What is the difference between Asphalt mix and Mastic asphalt mix

The level of permeability of the general kind asphalt is different from that of the mastic asphalt.  These two kinds of asphalts are completely opposite because one is nearly waterproof and the other is not. The regular form of asphalt is permeable enough in most under the conditions, i.e. it has innumerous tiny holes in it. Therefore water can easily be soaked by it. But mastic asphalt is virtually waterproof and can be used in those fields where the primary requirement is moisture—resistance.

Components of Mastic asphalt

The credit of this resistant quality of the mastic asphalt can be ascribed to its high bitumen concentration. Bitumen is present as the binding agent in every asphalt products. Actually it is a by—product comes from petroleum refinement. Though in every asphalt based products bitumen plays the role of keeping the particles together, but in case of mastic mixture its power actually gets doubled. So the particles of the mixture are kept together very closely and tightly. As a result of that water does not find any way to enter. Apart from bitumen the ingredients of mastic asphalt also contains aggregate. Gravel, sand and many other kinds of stone products are included in this aggregate. In order to provide more durability and enhance strength as well as to provide colour, pigments and polymer compounds are added to the mastic mix. A common custom of the European producers is to add lake asphalt to the mastic asphalt mix. Lake asphalt is a natural mineral which like bitumen helps in further binding the components of the mastic mixture together.  

What are the uses of mastic asphalt

Mastic asphalt has become a quite popular building material now a day’s. It is used for paving sidewalks, roadways, parking lots and driveways. In building the roof, be it residential or commercial, mastic mix is commonly used because of its water—proof feature. A mastic asphalt coat is quite useful to protect the floor, particularly those which are quite often exposed to spills or chemical use of high amount. That is why it is used to coat the floors in factories and other industrial areas. Mastic asphalt is used also to prevent the water tank from leaking over the time.

The disadvantages of mastic

The primary disadvantage of this material is its bitumen content. Firstly, bitumen has an odor which can be noxious in many cases. And bitumen also can create fumes long after its installation.