This is especially true if you have a stained or etched concrete driveway or patio or if you live in an area where winter road salt can eat away at the concrete.
Can you seal old concrete driveway.
Newer concrete might already have a sealer that s still in good condition.
The period of curing essentially provides the concrete time to absorb moisture and heat which helps the concrete gain strength and last longer.
Some sealers leave the surface with a shiny finish while others have a matte finish.
Old concrete can be sealed for the first time or resealed if it has been previously sealed with a concrete sealer.
Use the tool you prefer but keep in mind that a roller applies the sealer faster than a brush and a garden sprayer is faster than a roller.
It needs to cure for at least a month and preferably 2 months before you get down to the business of sealing a concrete driveway.
Concrete driveway sealers are applied every few years and concrete driveways can last for 50 years.
Step 2 apply the sealer.
Concrete is long lasting and durable without any special treatment but the building material is not good at resisting stains and marks as it ages.
Driveway sealcoating creates a membrane that protects the concrete or other substrate from the damaging effects of the sun gasoline rock salt oil and ice.
It is extremely diy friendly and is easily applied.
If a previous sealer has been used you want to make sure it is removed by acid.
After the concrete has dried for at least 24 hours you can effectively apply a concrete sealer.
Can you seal old concrete.
Applying a concrete sealer is an easy project for a diyer and it will keep your concrete slabs looking good and potentially lasting longer.
Before sealing old concrete you want to make sure you determine if the concrete has been previously sealed.
Spray roll or brush the sealer onto the driveway.
A sealer helps prevent future stains and potential damage from products like ice salts.
Water on the driveway will dilute the siloxane sealer limiting the amount of sealer that gets into the concrete substrate.
One of the best concrete driveway sealers we have reviewed.
Sealing old exterior concrete.