OSI - Henkel Corporation 1866185 Osi Pro-Series Quad Expanding Foam OSI pro-series quad expanding foam, white, 21.1 oz A single component, minimal expansion and low pressure polyurethane This is manufactured in United States It is specifically designed for use with the Wine Window Installation System It is dispensed in a bead form for sealing gaps and cracks, holes and voids around windows and doors, in most types of construction projects The product exhibits slight to moderate expansion during application and cures upon reaction with moisture to form a flexible, urethane foam This material provides an R factor of 5 per inch of cured foam, making it an efficient moisture and air loss between windows and rough frame Teed::Foam adheres to all types of building materials including wood, concrete and drywall. Compatible with asphalt and butyl flexible flashing