Description
LANCO | PolyFlex Polyurethane Sealant Adhesive 10-oz Tube (White)
PolyFlex™ is a non-sag elastomeric adhesive sealant, one component polyurethane-based, high quality, moisture cured, designed to seal all types of structural joints , joints between dissimilar building materials, architectural or marine applications.
Polyflex™ is designed to seal all kinds of cracks or joints in concrete walls, floors and ceilings that do not exceed a depth of 1/2 ” ( 12.7mm ). Excellent for use as adhesive and sealant in vertical and horizontal joints in materials such
as concrete, wood, glass, cement , steel, metal, fiberglass or aluminum. Designed for joints in concrete with a maximum ratio of 2:1 (width : depth) and common roofing detail applications. For use in materials that require to compensate differences in modulus of elasticity and coefficient of expansion, including applications in the marine market.
12 Tubes Per case.
• Meets ASTM C-920, Type S, Grade NS, Class 35
• Dries in 4 hours! Ultra flexible, ultra adhesion.
• Application with regular caulking gun.
• Commonly used in the siding, window & door, and marine industry
• Great durability and strength. Bonds to most common building substrates
• Rated For immersion applications, UV and aging resistant.
• 400 % elongation approx.
• Approved for use with potable water
• Bonds to; concrete, masonry, wood, metal, glass, drywall, plaster, ceramics, and many plastics
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To download the most recent Technical Data Sheet, please click here.




PolyFlex™ is a non-sag elastomeric polyurethane adhesive sealant, one component polyurethane-based, high quality, moisture cured.

