Insulation Spray Foam Sealant
Great Stuff Gaps & Cracks
Great Stuff Gaps & Cracks is DuPont's general-purpose residential insulating foam sealant line for air-sealing plumbing, electrical, attic, basement, and other small-to-medium penetrations. Official pages show Original Dispenser, Smart Dispenser, and PRO gun-applied formats.
Material
polyurethane foam sealant
Application
general residential air sealing around plumbing, electrical, basements, attics, and other penetrations
Interior Exterior Use
Yes
Forms Airtight Seal
Yes
Water Resistant
Yes
Paintable
Yes
Model Comparison
3 models
Original Dispenser Smart Dispenser | Specification | Original Dispenser | Smart Dispenser | PRO Dispensing Gun | |||
|---|---|---|---|---|---|---|
| Model | 227112 | — | 99108824 | — | — | 341557 |
| variant_label | Gaps and Cracks with Original Dispenser | — | Gaps and Cracks with Smart Dispenser | — | — | PRO Gaps & Cracks for PRO Dispensing Gun |
| gap_up_to_in | 1" | — | 1" | — | — | 3" |
| official_sku | 227112 | — | 99108824 | — | — | 341557 |
| product_page | https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-original-dispenser.html | — | https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html | — | — | https://www.greatstuff.dupont.com/products/pro-gaps-cracks-polyurethane-foam-sealant-pro-dispenser-gun.html |
Shared Specifications
All models| material | polyurethane foam sealant |
| Application | general residential air sealing around plumbing, electrical, basements, attics, and other penetrations |
| interior_exterior_use | Yes |
| forms_airtight_seal | Yes |
| water_resistant | Yes |
| paintable | Yes |
| sandable | Yes |
| stainable | Yes |
| adheres_to | wood, metal, masonry, glass, most plastics |
| common_color | cream |
| notes | Original and Smart variants are described by DuPont as filling gaps up to 1 inch., The PRO gun-applied variant page states gaps up to 3 inches and reusability for 30 days when left attached to the gun. |