Opti-Seal Concrete Sealer

BioSpan Technologies Inc.
Opti Seal 2

Opti-Seal effectively seals and protects concrete from electrolytic deterioration, stopping Alkali Silica Reaction (ASR) in its tracks. The deep penetrating solutions is 90% biobased and seals out further moisture, which strengthens and preserves  the concrete above and below the surface.

  • Stops ASR in its tracks
  • Seals out moisture
  • Penetrates up to 4 inches
  • Inhibits rust on embedded rebar
  • Maintains and improves concrete strength
  • Non-toxic
  • Maintains pervious porosity
  • Works in all climactic conditions
  • Easy to apply
  • Cures in 8 hours
  • Preserves concrete up to 7 years
  • Works on vertical surfaces


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