Silicones for building
English
Give windows and curtain wall joints the protection they need from the elements with UltraPruf II SCS2900 – our high-performance weatherproofing silicone sealant.
Use our handy tool to find the closest distributor near you.
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
Aesthetically Compatible
Available in 7 standard colors and custom colors
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.
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.
Our site search lets you find product information, technical documents, certifications, brochures, case studies, blogs, and more—all in one place.
Stay in the loop with exclusive industry insights, product news, webinars and events.
© 2025 Momentive Performance Materials Inc.
All Rights Reserved
