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NuFlex 650 FleXone High Performance Polyurethane Sealant

SKU NUC65006
Original price $5.49 - Original price $5.49
Original price
$5.49 - $5.49
Current price $5.49

NuFlex® 650 FleXone High Performance Polyurethane Sealant has superior adhesion at a wide range of temperatures and joint movement capability +35%. NuFlex® 650 FleXone bonds to most construction materials without a primer, suitable for all climates. It provides long-lasting weather tight seals in concrete, masonry, aluminum, wood, expansion wall joints, curtain wall construction, panel walls, precast units, window frames, fascia, structural components and vinyl siding.


Adheres to most substrates. Weather resistant. + 35% joint movement capability. Excellent interior & exterior sealant. Above & below grade. Water immersable. Low VOC.

Typical Uses

Expansion joints Curtain wall construction Panel walls Precast walls Precast units Aluminum & wood window frames Roofing Fascia Parapets Structural components Vinyl siding Wastewater treatment plants Dams Spillways & storm drains Wetwells & manholes SUBSTRATES: Concrete Masonry Aluminum Wood Clay & concrete roof tiles * FleXone 650 is not recommended for application on glass.