Sealing an Asphalt Driveway Protects it from Water, Weed, and Ultraviolet Sun Damage
By Mark J. Donovan
||Sealing your driveway is an important part in maintaining an asphalt driveway and extending the life if it. The fall season is the perfect time of the year to seal your own driveway. Sealing a driveway prevents water from working its way into surface cracks and underneath the asphalt. Once water gets underneath an asphalt driveway it can quickly begin to undermine the integrity of it.
The water can cause erosion which eventually will lead to sink holes in the asphalt. In addition, during winter months melting snow and ice water can work its way into the asphalt driveway cracks during the day and then freeze underneath the driveway when the temperatures drop.
This situation leads to heaving, settling and eventually crumbling of the driveway. Sealing your driveway also prevents weeds growth and protects it from oil spills. It also protects the asphalt from the Sun’s ultraviolet rays which breakdown the binding material in the asphalt.
Though you can pay someone hundreds of dollars to seal your driveway you can easily seal your own driveway for a fraction of the cost in little as a half a day’s worth of work. This said a newly poured asphalt driveway needs at least 3 to 6 months to fully cure prior to sealing it.
To actually seal your own driveway you’ll need 5 gallon containers of coal tar driveway sealer. I recommend buying coal tar driveway sealer over asphalt based sealers due to the fact that coal tar driveway sealer does a better job of protecting the asphalt from oil and gasoline spills. The amount of driveway sealer containers required will depend upon the size of your driveway and the amount of square area each container covers. Typically a 5 gallon container will cover 350 to 400 square feet. Calculate the area of your driveway and then divide it by the amount of area each container can cover. This will determine how many containers of driveway seal you’ll need.
Apply the driveway sealer to your asphalt driveway on a warm day so that it spreads easily. To actually spread the driveway sealer use a long handle squeegee or broom that is specifically made for sealing driveways.
|Prior to actually pouring the driveway sealer onto your driveway, make sure to thoroughly stir each container well. Make sure when applying the driveway sealer that you do not put it on too thick. Otherwise it may take much longer to cure and it will be susceptible to peeling.
After sealing your driveway make sure not to walk or drive on it for a few days. Typically a driveway sealer needs a couple of warm dry days prior to driving a vehicle on it. If the weather is less than perfect you may need several more days to allow it to properly dry and harden.
Finally, keep in mind that sealing a driveway is not a once in a lifetime event. To ensure a long asphalt driveway life you should plan on sealing your driveway every 2 to 4 years.
For more help on Asphalt Driveway Paving, see HomeAdditionPlus.com’s Asphalt Driveway Paving Bid sheet. The Asphalt Driveway Paving Bid Sheet will help ensure that your hire the right contractor so that your driveway is paved correctly and you get the finished driveway you are looking for.
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