Sikalastic®-621 TC
SINGLE COMPONENT RESIN FOR SIKALASTIC® ROOFPRO ROOFING SYSTEMS
Sikalastic®-621 TC is a cold-applied, highly elastic, aliphatic, single component, moisture-triggered polyurethane top coat resin designed for easy application as part of Sikalastic®-621 RoofPro roofing systems.
- Proven technology – over 30 year track record
- One component – no mixing, easy and ready to use
- UV resistant – Highly reflective (RAL9016) and resistant to yellowing
- Cold-applied – requires no heat or flame
- Seamless roof waterproofing membrane
- Compatible with Sika® Reemat Premium – easy to detail
- Fast curing – free from resin damage almost immediately on application
- High elastic and crack-bridging – retains flexibility even at low temperatures
- High root resistance
- Easily re-coated when needed – no stripping required
- Good adhesion to most substrates – see primer chart
- Vapour permeable – allows substrate to breathe
- Strong resistance to common atmospheric chemicals