Concrete may be one of the most durable materials out there, but it does not last forever. It can last longer if protected from wear and tear. A concrete sealer enhances the beauty of stamped concrete while protecting it from water damage, dirt, grime, grease and other foreign matters.
Hand-held pump sprayer
1. Choose the type of sealer for your type of application. If your stamped concrete is outdoors, choose the type that would work best for the location.
2. Choose your concrete sealer. Water based or exempt solvents concrete sealers are the two major types of concrete sealers that are VOC (Volatile Organic Compounds) compliant. The United States Environmental Protectiion Agency (EPA) has imposed stricter guidelines on use of VOCs to seal concrete. VOC non-compliant sealers can have a long-term negative effect on your health and the environment. Make sure that what you’re using is VOC compliant.
3. Wait 24 to 48 hours after installing your stamped concrete before you apply your concrete sealer. Allow time for the concrete to dry and set.
4. Use the pushbroom to clean and dust or debris that may have landed on your new stamped concrete.
5. Use a power washer or water hose to rinse the remaining dust and debris.
6. Allow to dry for a couple of hours.
7. Wear protective gear. Put on your eye goggles, work boots, work gloves and face mask. Even when you’re using VOC compliant concrete sealer, make sure to observe caution.
8. Pour your water based sealer inside a hand-held sprayer pump. Keep the sprayer tip low to achieve ven application and prevent atomization . Thin multiple coats work best to prevent moisture that may come from below the concrete from getting trapped. Avoid using a roller or trying to make your concrete look shiny because it may affect the breathability of the the sealer causing blushing.
If you experience whitening problems, simply re- emulsifying your concrete sealer using Xylene to let moisture trapped under the sealer escape.
Whitening caused by too many coats of sealer, remove the old coat and reapply correctly with a new coat of sealer.
Always follow the manufacturer’s guidelines in applying VOC compliant concrete sealer.
Read more information about the EPA’s National Volatile Organic Compound Emission Standards for Architectural Coatings to get more guidance. Check your local regulations because the law is different from state to state.