Great Stuff™ Window & Door Insulating Foam Sealant, 12 oz.

Upgrade your home’s energy efficiency and comfort with the Great Stuff™ Window & Door Insulating Foam Sealant. Designed for precise sealing of gaps around windows, doors, and rough openings, this 12 oz. low-pressure foam expands minimally to fill voids without warping frames. Its innovative Smart Dispenser with a reusable straw delivers accurate, all-direction application—foam stops when you stop—so you get a clean, consistent bead every time. Once cured, the durable, weather-tight seal repels moisture, resists mildew, and can be painted or stained for a flawless finish. Ideal for both indoor and outdoor use, it helps prevent drafts, reduces energy loss, and keeps your home comfortable year-round.

When tackling insulation projects—whether sealing old frames or installing new units—this foam sealant offers exceptional performance and versatility. The quick tack-free time (5–15 minutes) allows you to move on faster, and the Smart Dispenser remains ready for reuse up to 30 days, making it an economical choice for multiple tasks.

Key Features

• Low-pressure, minimal-expanding polyurethane formula prevents bowing of frames
• Smart Dispenser with reusable straw for precise, drip-free application
• All-direction dispensing—foam stops when you stop for mess-free control
• Distinctive yellow foam is paintable and stainable to match any decor
• Quick tack-free time (5–15 minutes) speeds up project completion
• Forms a durable, weather-tight seal that repels moisture and resists mildew
• Reusable for up to 30 days—ideal for multiple home improvement jobs