Air-Shield Liquid Flashing is a high-quality, gun-grade, low-odor, elastomeric, polyether liquid-applied flashing and detailing membrane. This general purpose, wet flashing membrane bonds to most construction materials, and is used to seal rough openings and detail joints between exterior gypsum board. It is 100% solvent-free, non-shrinking, is paintable in 24 hours, guns and tools easily, and does not harm foam installations. W.R. Meadows. WOC Booth S10707