By Laurene Morin. driveway. Published at Tuesday, January 15th, 2019 - 22:06:02 PM.
There are 2 methods you can employ as the bed for block paving, one, you have fully compacted sand making the sub base and the laying coarse much firmer, achieving a much flatter surface. To achieve this you need your sand approx 10 – 15mm higher than the finished screeding height, this surplus sand is screeded off to the correct height and then you lay your block paving.
Meanwhile, brittle, deteriorating asphalt can form potholes, which can prove hazardous to drivers. Properly maintaining your driveway or parking lot area by sealcoating the asphalt will protect both your investment and the individuals who use the space.
Before they begin the cleaning job, the company should provide you a rough estimate of how long they would take to complete the job, depending on the area of the surface and the possible need to re-sand the area or add a sealant at a later date. They should also give you an idea of how long the effect would last before you need to hire their services again.
By laying five to eight inches of gravel beneath the asphalt you are ensuring a greater life expectancy for your asphalt driveway. Also by having your asphalt paving company install your asphalt finish at least one foot before the asphalt covers the gravel, you are allowing your asphalt driveway to not crack when visitors drive to the edge of the finished surface.
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