OSI® SBR-100™ Window & Siding Caulk OSI SBR-100 Window & Siding Caulk is an all season exterior caulk formulated to extrude consistently and easily. The unique rubber based formula cures to form a tough seal that maintains its bond under most weather conditions. SBR-100 requires little tooling when applied as directed and is paintable after cure. It is primarily used around windows, doors and siding and can also be used for general purpose repairs.

Features:

• All season formula
• Quick skinning
• Does not collect dirt & dust
• Long-lasting finish