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Does Sealing Stop Efflorescence?

James H. Sterling • • 6 min read
Does Sealing Stop Efflorescence?

Preventing Efflorescence
It takes much effort and time to clean off the residual salts of efflorescence therefore, the best course of action is to prevent it from ever happening again, or the first time. Simply sealing concrete from water penetration (using a penetrating sealer) will help prevent efflorescence.

Can you seal over efflorescence?

Here's the deal with efflorescence and sealing … you do NOT want to seal before your pavers have had the chance to “breathe” and go through their normal efflorescence cycle. By sealing too soon, you'll run the risk of trapping migrating salts beneath the coating of sealer.

Does sealing stone prevent efflorescence?

Sealing the surface using a STONETECH impregnating sealer (e.g. BULLETPROOF®, Stone Sealer, IMPREGNATOR PRO® Sealer, Heavy Duty Exterior Sealer or Grout Sealer should minimize efflorescence from recurring. Removal of Efflorescence from Surfaces Which Acid Sensitive (e.g. marble, limestone, concrete, travertine, etc…)

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.