GUARDIAN WS720 is a High-performance Weather Sealant one-part, cold applied, moisture curing, 100% silicone sealant that is formulated for Joint seal. It has ultra-high elongation and remains very durable. It has good flexibility and a low modulus, so it will maintain its integrity on joints with movement. GUARDIAN WS720 exhibits excellent unprimed adhesion to concrete, steel, and most other construction substrates, provided they are clean, dry and free of dust and frost. It is unaffected by sunlight (ultra-violet rays), ozone, temperature extremes, rain and snow. It has a long service life, under normal conditions it will maintain its physical properties between -60°C to 200°C (-76°F to 392°F).
Horizontal, Vertical joints in concrete, Metals
Suitable for Extreme joint movement
Concrete, steel, most construction substrates
Suitable for roads less curing time (within one hour) allows traffic soon after curing.
Structural attachment of many panel systems
Recommended sanitary applications
Panel stiffener applications
Weather sealing of most common construction materials including glass, ACP.
Aluminum, steel, painted metal, EIFS, granite and other stone, concrete, brick and plastics
GUARDIAN WS720 in 300 ml cartridges and 600 ml aluminum sausages.