NPR 2 is a bitumen-neoprene based, cold applied joint paste used for horizontal and vertical applications.
Preparation of Substrate
Application surface must be dry, clean and clean off materials which prevent bonding, such as dust, oil, rust etc.
NPR 2 is ready to use. It does not require thinning or heating. It can be applied as cold. Material should be applied on the only the side exposed water (positive insulation) surface with using trowel or spatula. Under normal weather conditions, it starts rubberizing after 72 hours.
16 kg metal pail