SOPRASEAL Liquid Flashing is a high quality, 100% solid low odor elastomeric polyether membrane. SOPRASEAL Liquid Flashing material is designed to provide air and water protection to critical rough openings while sealing joints and creating a seamless transition to air barrier membranes. SOPRASEAL Liquid Flashing can also be used to treat joints while adhering to aluminum, brick, concrete, wood, masonry and vinyl.