Sealing Penetrations Through Stucco (Vents, Linesets, Pipes): The ‘Sleeve + Flange’ Method
Introduction Sleeve + flange is a method to seal vents, linesets, or pipes where they pass through stucco. You install a sleeve through the opening, then attach a flange to seal against the wall and weather. This approach helps keep water out and makes future maintenance easier. Start by choosing a sleeve size that fits […]










