Sikalastic®-644 Lo-VOC

Liquid applied alkaline-resistant single component saturating resin with fiberglass or polyester reinforcement

Sikalastic®-644 Lo-VOC is a cold applied , highly elastic, aliphatic, single component, alkali resistant, moisture-triggered polyurethane resin designed for easy application as part of Sikalastic®-644 Lo-VOC RoofPro waterproofing systems.

  • Proven technology with over 30 year track record
  • Single component - no mixing and ready to use
  • Alkaline resistant - suitable for under tile applications
  • 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