Description
H.B Fuller 620 is a neutral cure, non-corrosive silicone for professional roofing and glazing work. It provides excellent adhesion to glass, coated metals, and masonry, with outstanding UV and weather resistance for long-lasting exterior seals. Easy to apply and tool, it maintains flexibility to accommodate movement and temperature changes without cracking. Ideal for perimeter weatherseals, flashings, skylights, and facade joints. Supplied in Bronze to complement architectural finishes and roofing accessories, producing neat, durable seals that blend with surrounding materials.




2hrs.