DOWSIL / Dow Corning 778 Silicone Liquid Flashing is a single component silicone sealant for weatherproofing at window and door openings and other building transitions.
Has aggressive adhesion to a wide variety of construction substrates including different types/brands of sheathing: cut edges of sheathing; concrete; brick; concrete masonry unit; and metals.
Compatible with DOWSIL / Dow Corning air barriers
Compatible with other weather barrier types including self adhering and liquid applied membranes
Long tooling time to facilitate workflow of prepping a whole window opening
High durometer for abrasion resistance
Durable, flexible silicone chemistry
20-fl oz [590-mL] sausage