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Evolution Intumescent and Acoustic Acrylic Sealant

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Evolution intumescent and acoustic sealant is a one part emulsion designed to resist the passage of both fire and
sound.
In normal use the sealant remains flexible enough to retain the sound reduction index of a structure. In the event of fire
it will intumesce and form a char, sealing the gap for up to 4 hours.

Directions for Use:

1. Use rubber gloves/eye protection to avoid skin/eye contact
2. Ensure all surfaces are clean, dry and free from grease/dust
3. Use masking tape to ensure a neat line
4. Tool the joint within 5 minutes of application to give a good
contact between sealant and substrate
5. Remove masking tape immediately after tooling

Product Data Sheet:

  • Designed for: Joint filling where fire protection/acoustic index are an issue.
  • Acoustic Rating: Up to 46dB (single seal), up to 48dB (double seal)
  • Colour: White
  • Fire Tested: Yes, to EN-1364-1 (up to 4 hours)
  • Movement: Up to 20% of original joint size
  • Slump: Nil up to 20mm
  • Overpaintable: Yes, when fully cured
  • Weatherability: Water and UV resistant when fully cured
  • Drying Time: Tack free in 15 minutes
  • Cure Time: 1.5mm per 24 hours

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