DESCRIPTION

RLA PU850 is a one-component, moisture curing polyurethane waterproofing membrane that cures to form a tough elastic film with strong adhesion over most common building surfaces. PU850 maintains exceptional flexibility and elastomeric properties, providing a durable waterproofing solution for under screed, external and underground applications.

FEATURES AND BENEFITS

• Excellent adhesion to most substrates
• Excellent thermal resistance
• Excellent cold resistance, remaining elastic to -40°C
• No accumulation of humidity under coating (breathable)
• Excellent mechanical properties
• Suitable for areas subject to light foot traffic
• Highly elastic
• Bitumen-free
• Will not bleed through porous materials
• Can be overcoated with RLA PU875 TC for external applications
• Compliant to AS4858 and AS4654.1 for use in internal and external applications

USES

• Unbonded, under screed applications to internal/external wet areas
• Shower Recesses, Bathrooms, Laundries
• Balconies
• Exposed rooftops and plant areas when covered with RLA PU875 TC
• Internal and external plant areas
• Retaining walls
• Planter boxes

SUBSTRATES

• Concrete
• Render
• Screed
• Masonry
• Fibre cement sheeting

NOTE: For suitability over any substrate or material types not listed above, contact RLA Technical Department for confirmation of suitability and surface preparation