Pavement sealer or rather seal coat is a liquid type of coating mixture that is applied to an asphalt-based pavement. The pavement coating or rather the seal coating has for a long time been a consideration and the preference that people will make to all other things, this has been evident since the early or rather the ancient days, since then they have been perfect in terms of their marketing, the seal; coating or the pavement coating has since then been marketed as a protective coating that often or rather in most cases prolong the life or the duration that the asphalt pavements always take after they are applied. The seal coating or the pavement coating also is advantageous in other ways rather than the duration aspect, they tend to reduce the anti-skid, or they tend to reduce the friction that is normally, always, in most cases or frequently associated with the exposed aggregates and also that is associated with the asphalt. it is evidently impossible to build all the pavement in the same way and the same style, there ought to be a difference be it big or small. The asphalt pavement that is selected is often a poor protector, or rather they offer dismal protection to the surface against harsher environmental climate, environmental chemicals and the environmental hazards that the pavement is exposed to.
The petroleum sealers are offer protection against water and chemical somewhere between the two seals. The coatings can also differ in terms of wear, the refined tar-based sealers often offer the best wear of about 3 to 5 years, the asphalt-based sealer offers a wear period of 1 to three years while the petroleum-based coating lies between the other two sealers. The seal coats can be divided into three major categories, this may include the asphalts based pavement, the petroleum-based pavement and the tar based pavement.
all the three mentioned seal coating are of their own different and various advantages, despite all this the seal coating are often typically chosen by their respective contractor. The surfaces must be clean and dry before the seal coat are applied. Poor adhesion is always resultant to the failure of keeping the surface clean and dry, the process is often done by the use of hand or the pressurized squeezing machine. the process often require a range of 24to 48 hours of curing before vehicles are allowed back on the surface.
Studies suggest that refined tar sealant are the source of polycyclic aromatic hydrocarbon in streams and creek beds, the same studies suggest that it can be harmful if in any case ingested before curing and ingesting dust that is contaminated by the eroded coal tar sealant.