MasterJoint PR 640

Single Part Polyurethane Waterproofing Membrane

Material Description

MasterJoint™ PR 640 is a single part, polyurethane based, elastomeric waterproofing membrane applicable by roller and airless spray machine.

Areas of Application

• Indoors and outdoors areas,

• Terraces,

• Balconies,

• Roofs,

• Terraces above parking lots,

• For waterproofing purposes on floors with light pedestrian,

• For the protection of polyurethane thermal insulation foam,

• For waterproofing and protection purposes in bridge, deck, stadium concrete.

• For waterproofing wind turbine tower and foundation

Characteristics and Benefits

• Single part, easy to apply

• Can be applied by airless spray machine, brush or roller

• High elasticity and flexibility

• Excellent adhesion to concrete

• Excellent mechanical properties

• Excellent crack bridging capacity even at low temperatures

• Resistant to temporary standing water