Previous Keep the great outdoors where it belongs. The proper seal for windows and doors. Next Why Great Stuff™? Whether you’re dealing with unwanted air, moisture, pollen or even pests, there’s an energy-saving solution for every seal. Find exactly what you need for your next project. What project should we tackle first? GO GREAT STUFF™ UNDERCOVER Basement Living Room Bathroom Previous Next Products Used: 1/4 Previous GAPS & CRACKS Expands to fill gaps and cracks up to 1". Use inside or out to fill gaps and cracks around plumbing lines and rim joists, in attics and basements, and more. View details Benefits Seals and insulates Lowers energy bills Minimizes dust and mold Next Previous Next Products used: 1/4 Previous GAPS & CRACKS Expands to fill gaps and cracks up to 1". Use inside or out to fill gaps and cracks around plumbing lines and rim joists, in attics and basements, and more. View details Benefits Seals and insulates Lowers energy bills Minimizes dust and mold Next Previous Next Products used: 1/4 Previous GAPS & CRACKS Bonds to wood, metal, masonry, glass and most plastics to fill gaps and cracks up to 3" while blocking the spread of smoke. View details Benefits Seals and insulates Lowers energy bills Minimizes dust and mold Next SMART DISPENSER™ Reusable. Less mess. More control. Same Great Stuff™. The award-winning Smart Dispenser™ provides a level of precision, control, and reusability unheard of in a disposable straw. Just twist it onto a can of Great Stuff™ and seal around your home for up to 30-days with our restartable, drip-free design. Learn more GREAT STUFF™ SMART DISPENSER™ Great Stuff™ products NEED OUR HELP? We’re here to help homeowners and professionals alike get perfect results every time Contact us About Great Stuff™ Our Mission Recent News Sustainability Contact Us For Contractors For Homeowners Consumer Safety Instruction & Safe Handling MSDS Search Resource Library Share this site Privacy Statement Terms of Use Accessibility Statement © 2021 DuPont. All rights reserved. DuPont™, the DuPont Oval Logo, and all trademarks and service marks denoted with ™, ℠ or ® are owned by affiliates of DuPont de Nemours, Inc. unless otherwise noted.