Mfr:Sika Corp

Sikalastic 641 Lo VOC per 5 Gallon Pail

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Item #: SIK641LOVOC.5P

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Sikalastic 641 Lo-VOC is a cold applied, highly elastic, aliphatic, single component, low-odor, low-VOC moisture-triggered polyurethane resin designed for easy application as part of Sikalastic RoofPro roofing systems. Single component - no mixing and ready to use ...

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About This Product

Details

Sikalastic 641 Lo-VOC is a cold applied, highly elastic, aliphatic, single component, low-odor, low-VOC moisture-triggered polyurethane resin designed for easy application as part of Sikalastic RoofPro roofing systems.

  • Single component - no mixing and ready to use
  • Fully reinforced with highly conformable Sika Reemat or Sika Fleece
  • Moisture triggered chemistry that is rapidly weatherproof after application
  • Low VOC formula - low Odor
  • Highly elastic and crack bridging
  • Seamless and fully adhered
  • Vapor permeable
  • UV resistant and non-yellowing
  • Abrasion and chemical resistant
  • Adheres to most common construction materials when suitable primer is used

Applications

  • Embedment and top resin for Sikalastic RoofPro systems reinforced with Sika Reemat
  • Saturating resin for Sikalastic RoofPro systems reinforced with Sika Fleece
  • Typically applied in Sikalastic RoofPro Direct, Plaza, and Vegetated systems for both new construction and refurbishment

Waiting/Recoat Times

Ambient conditionsMinimum waiting time overcoating
+40 °F / 50 % r.h.18 hours
+50 °F / 50 % r.h.8 hours
+70 °F / 50 % r.h.6 hours
*After 7 days the surface must be cleaned and primed with Sika Reactivation Primer before continuing.

Applied Product Ready for Use

Ambient conditionsRain resistantTouch dryFull cure
+40 °F / 50 % r.h.1 hour12 hours24 hours
+50 °F / 50 % r.h.1 hour6 hours18–24 hours
+70 °F / 50 % r.h.1 hour4 hours12–18 hours
Note: Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.

Documents

Sikalastic 641 Lo VOC Documents

Specifications

Sikalastic 641 Lo VOC per 5 Gallon Pail Specifications

Q & A

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Warning: This product contains a chemical known to the State of California to cause cancer and reproductive harm.
For more information go to www.p65warnings.ca.gov

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