Quick view Add to Cart Great Stuff PRO Flexible Drywall Gasket Foam, 12 - 18 oz Cans, (Full Case) PRODUCT DESCRIPTION Dow Great Stuff PRO Kit, 6-18 oz Flexible Drywall Gasket Foam, (1 Can) GREAT STUFF PRO™... Dupont $23.79 Great Stuff Pro Flexible Drywall Gasket Foam 18oz