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TarmaSeal is highly durable, but as with all external products, it does not have an indefinite lifespan. The highest exposed aggregate parts of the surface will wear first, although wear to these areas is seldom noticed and will not detract from the excellent transformation that TarmaSeal makes to an old, tired-looking driveway.

Generally, an area that receives little vehicular use will last indefinitely. A ‘standard’ driveway, with maybe one car or two cars on and off once a day, is likely to look virtually the same for at least three or more years. Of course, a driveway that’s used a lot more may show some signs of wear after a couple of years. However, the tarmac will still look much better and a vast improvement on its condition prior to the original application of TarmaSeal!

Dependent on how hard it rains and how close the Tarmaseal is to being fully dry, the worst-case scenario is that the product will be literally washed away. If partially dry, you may be left with a patchy milky white residue on the surface. In both cases, the Tarmac will probably have to be recoated when the surface is fully dry to obtain a uniform, acceptable finish.

In most conditions that are suitable for application of Tarmaseal it will be touch dry within two hours and the second coat can be applied. However if conditions are cool or slightly damp, this time frame could be extended.

This will depend on the age, porosity, texture and general condition of the Tarmac. A relevant factor will also be how Tarmaseal is applied, the normal rate of coverage that can be expected is between 2 and 3 m² per litre when applying a two coat application. Therefore if applied by a roller a 20ltr container is likely to cover between 40 - 60m².

No, but for the best possible results your driveway does need to be as clean as possible. You can use a stiff broom and a hosepipe, but a pressure washer will make the job far easier.

Oil contaminants could lead to a poor bond between TARMASEAL and the driveway, we would certainly recommend a treatment with our Oil Remover which is specifically designed to be used on Tarmac.