• Home
  • Henkel White Urethane Acrylic Sealant OSI
Image for Henkel White Urethane Acrylic Sealant OSI from White Cap
+ / - Hover over image to Zoom
Other Views

Henkel White Urethane Acrylic Sealant OSI

Brand: Henkel Mfg#: 1256934
Product#: 27923311001
Based on Product Sourcing
Hazardous material shipping restrictions apply. You may be contacted by Customer Service if an alternate shipping method is required.

Please Login to receive Special Pricing
Not Registered? Create an Account


OSI® H2U™ high performance sealant is a high performance sealant designed for the siding and window industries. This superior acrylic urethane formula has better adhesion, flexibility and durability than most sealants, and cleans up easily with soap and water. This water based, low gassing formula is ideal for use indoors and provides the durability, flexibility and adhesive strength needed for outdoor use. OSI® H2U™ dries to a glossy sheen and when fully cured it is paintable and will resist surface mold and mildew


  • Matches most siding and window products
  • Permanently flexible
  • Will not harden, crack or separate over time
  • Ultra low VOC content
  • Non flammable, easy soap and water clean up, low odor for interior projects and environmentally friendly
  • Qualifies for LEED points, meets stringent sState and federal VOC regulations


  • Brand: Henkel
  • Composition: Limestone, Titanium Dioxide, Ethylene Glycol
  • Type: High Performance, Paintable
  • pH Range: 7.3 - 8.5
  • Viscosity: 200000 - 300000 cP
  • Form: Non-Slumping Paste
  • Color: White
  • Packing Type: Plastic Cartridge
  • Application Temperature: 40 deg F
  • Base Type: Acrylic Urethane Latex
  • Capacity: 10 fl oz
  • Shore Hardness: 24 Shore A
  • Odor/Scent: Mild Acrylic
  • Tensile Strength: 302 psi
  • Coverage: 30.6 ft
  • Specific Gravity: 1.267
  • Applicable Materials: Fiber Cement, Vinyl Siding, Hardboard, Pressboard
  • Resists: Mold, Mildew
  • Standards: ASTM Specified, VOC Compliant, Green Guard Certified
  • Functional Cure: 1 - 14 days
  • VOC Content: 0.5 %
  • Drying Time: 5 min Open, 30 - 60 min Tack Free
  • Media: Carbon Dioxide, Foam, Powder Water Fog
  • Usage: For Outdoor Projects or for High Humidity Applications