Sika Sikalastic 621 TC
Short Description
SINGLE COMPONENT SATURATING AND TOP COAT RESIN FOR SIKALASTIC® ROOFPRO ROOFING
SYSTEMS
Sikalastic®-621 TC is a cold applied, highly elastic,
aliphatic, single component, moisturetriggered
polyurethane resin designed for easy application as part
of Sikalastic®-601/621 RoofPro roofing systems.
USES
Sikalastic®-621 TC may only be used by experienced
professionals.
Top coat resin for Sikalastic® RoofPro 10, 15 & 20 year
systems reinforced with Sika Reemat.
▪ Embedment resin for Sikalastic® RoofPro 25 year
systems reinforced with Sika Reemat.
▪ Saturating resin for Sikalastic® RoofPro 15, 20 and 25
year systems reinforced with Sika Fleece.
▪ Typically applied in Sikalastic® RoofPro Direct, Recover,
Built-Up, Inverted, and Vegetate systems for both new
construction and refurbishment
