Weatherseal Sealants
UltraPruf™ II SCS2900

UltraPruf™ II SCS2900

Seamless Protection, Whatever the Weather.

Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.

Available in:
North AmericaLatin AmericaEurope, Middle East & AfricaIndia & PakistanSoutheast AsiaAustralia & New ZealandJapanChina

UltraPruf II SCS2900 is a one-part, neutral cure, low modulus weatherproofing sealant that offers excellent adhesion, weatherability and elasticity for a wide range of applications.

Specially formulated for use between metals, masonry, concrete, glass, paints, and plastic – UltraPruf II SCS2900 series weatherproofing sealant adheres to most common building substrates, usually without priming.

Available in a range of standard and custom colors to suit the needs of virtually every project, it is a versatile, high performance silicone sealant that is designed to withstand high joint movement and exposure to the weather over the long term.

Futureproof your project.


Easy Application

  • Improved viscosity for easy sealant placement andfirm tooling consistency
  • ±50% jointmovement capability, low stress on the bond
  • Good adhesion to anodized aluminum, carbon steel,glass, acrylic sheet, polycarbonate sheet, and other building substrates

Aesthetically Compatible

  • Low-gloss finish to compliment and blends with other components
Product Video

Available in 7 standard colors and custom colors

Aluminum Grey
Precast White
Light Grey
Available Sizes

UltraPruf II SCS2900 weatherproofing silicone sealant is available in10.1 fl.oz. (299ml) plastic caulking cartridges packaged in cartons of 24units, and 19.9 fl.oz. (5915ml) sausages packaged in cartons of 12 units.

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Have a question?

Connect with our silicones for building specialists for expert advice tailored to your needs, or discuss your project with a local sales representative today to discover the best solutions and insights.

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