DuPontâ„¢ LiquidArmorâ„¢ QS Flashing and Sealant* is a quick skinning, innovative, liquid flashing solution designed to provide advanced moisture and air sealing protection to commercial buildings. A unique alternative to flashing tape, the elastomeric spray forms a tight, seamless barrier along the rough openings of windows and doors while helping to significantly reduce labor time. With faster skinning time than other LiquidArmorâ„¢ Flashing and Sealant products, this allows greater flexibility in installation.