Seals openings up to 3 in size. Forms a long-lasting, water-resistant and airtight seal. Contains no pesticides. Bondswith most building materials. Goes on with a foam-dispensing gun for greater precision and access to hard to-reach places. Comes in a can that's reusable for up to 30 days, minimizing waste. Also keeps good air in and unwanted air out for greater energy efficiency and lower utility bills. Tack-free in 3-10 minutes. Paintable, stainable and sandable. UL Classified. CCMC 13074-L