Roc joint PU 920/925 is a polyurethane sealer in cartridge or sausages to fill inside or outside saw cut concrete floor joints. Roc joint PU 920/925 cures under the effect of atmospheric humidity to form a flexible joint with very good resistance to hydrocarbons and most chemical products.
Roc joint PU 920/925 can be applied by a manual or pneumatic gun. After the application, use a putty knife to smooth the joint.