This FAQ is about our professional line of water repellents found on RainguardPro.com. Please see the article "Premium Project Sealers" for more information about our homeowner line of water repellents.
Q: Can Efflorescence Blocker be used on a concrete planter and then coated with an anti-graffiti coating such as VandlGuard Original Non-Sacrificial?
A: Yes! Efflorescence Blocker will act as a primer for the anti-graffiti coating, preventing it from being absorbed into the surface.
Q: If a surface is sealed with Micro-Seal or Blok-Lok is it able to painted over at a later time or must it be removed first?
A: It is not necessary to remove these products if you intend to paint the surface at a later time. Our penetrating water repellents can be treated as a paint primer, sealing the surface prior to the application of paint.
Q: How soon after applying Micro-Seal or Blok-Lok can I paint over the surface?
A: It is recommended that you wait approx. 2 hours before painting over Micro-Seal or Blok-Lok.
Q: How long do I need to wait after pouring concrete before applying Micro-Seal?
A: You will need to wait 3-5 days after pouring concrete to apply Micro-Seal.
Q: Can I use Micro-Seal as a concrete curing aid?
A: Yes. Please see the "Concrete Curing" section of the Technical Data Sheet.
Q: How long do I wait after applying new stucco before applying Super Stucco Sealer or Micro-Seal?
A: You will need to wait 5 days before applying a sealer.
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