Sikalastic®-641 Lo-VOC

Single component low-VOC, low odor saturating resin for Sikalastic® RoofPro roofing and
waterproofing systems

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/waterproofing systems.

  • Proven technology with over 30 year track record
  • 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
  • Resistant to ponding water
  • 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