The Touch ‘n Seal U2-600 Two Component Spray Polyurethane Foam Insulation Kit is portable, disposable and self-contained with color-coded, pre-connected hoses. Yields 600 board feet and provides a quick consistent flow of foam that dries in under a minute. Foam expands 30X. Touch N Seal Foam Kits are designed for use in commercial sealing, insulating, patching, and filling applications. Portable and disposable, these two-component foam systems provide a quick, consistent flow of polyurethane foam that dries in less than one minute.