Masterflex 477  

Description

  MASTERFLEX^® 477 is a high performance one component, gun grade, moisture curing, polyurethane construction sealant. The material has been designed for a wide range of sealing and caulking applications in both interior and exterior joints. MASTERFLEX^® 477 generally requires no primer, does not require mixing and bonds well to a variety of substrates including concrete and masonry.

Typical uses

MASTERFLEX^® 477 has been developed specifically for sealing active joints such as expansion and control joints. MASTERFLEX^® 477 demonstrates excellent elasticity and recovery properties and therefore may be used to bond and seal most common building materials including concrete, glass, vinyl sidings, wood , stone, metal and anodized aluminum. In addition MASTERFLEX^® 477 has excellent tear resistance and weathering characteristics.

Advantages

• Durable resilient seal

• PVC free

• No change in volume

• Permanently elastic over a dynamic range of temperatures

• Non staining

• Excellent resistance to weathering

• Excellent adhesion properties to most materials. 

• Demonstrates good resistance to dilute acids and alkalis

• Variety of colors available