When can I apply a second coat of driveway sealer?
A second coat should be applied after the first coat has cured. Under ideal conditions, typically we recommend waiting 4-12 hours, and until the first coat is fully dry and cured all the way through the film.
Is a second coat of driveway sealer necessary?
In some cases, a residential driveway will only need one coat of sealant. However, if the asphalt sealcoating has never been sealed before, it may take a second coat to give it the rich, deep finish that most homeowners prefer. Vehicles need to be kept away from the area until the sealant has dried thoroughly.
Is it worth sealing an old driveway?
As a general rule you should seal your driveway every 1 to 3 years. The less oil, the harder the driveway, which is the goal. If you apply driveway sealer before your asphalt has time to cure, it won’t achieve the necessary hardness and all your work will be for naught.
Can you mix different brands of driveway sealer?
The effect a given additive may have on viscosity properties of different sealers, however, is not universal, even among the same type of sealer from different manufacturers. Regardless of the additive type, dosage used, or prescribed mix design, extremes in viscosity of the applied mix should be avoided.
What is a two coat seal?
A two coat seal is a road surface treatment consisting of a layer of bitumen with large aggregate that is sealed over with another layer of bitumen with smaller aggregate.
Can I add sand to my driveway sealer?
Add 10 to 15 pounds of sand (2 to 3 pounds per gallon) to the sealer. Mix it in thoroughly, using a paint stick or metal rod. Begin resealing the driveway. Stir the mixture occasionally to keep the sand properly mixed.
What’s the best way to seal a driveway?
Before sealing, make sure your driveway is clean and dry (see How to Clean a Concrete Driveway ). The two most common methods of applying sealers to driveway surfaces are by roller or sprayer. Always refer to the manufacturer’s recommended application guidelines.
How much does it cost to seal a driveway with asphalt?
Asphalt driveway sealer alone costs between $0.06–$0.11 per square foot on average, while additional modifiers or colors may add another $0.60 per square foot. Coverage rate also depends on the condition and texture of the asphalt.
Why do you put black sealer on your driveway?
The driveway will almost look like new after adding a black sealer. Sealer prevents the asphalt from oxidizing and becoming brittle. Sealer prevents water getting into cracks and fissures in the asphalt, going through freeze-thaw cycles, and creating potholes. The sealer helps resist oil and gas stains from breaking down the asphalt.
How long does a concrete driveway sealer last?
Not all driveway sealers are alike (even those in the same product category), and no driveway sealer will last forever. Depending on the type of sealer used and exposure conditions, a sealer may last anywhere from 1 to 3 years.