Insulation Spray Foam Sealant
Great Stuff Big Gap Filler
Great Stuff Big Gap Filler is the residential higher-fill foam sealant line for larger penetrations and high-loss areas such as rim joists, sill plates, plumbing, and HVAC openings.
Material
polyurethane foam sealant
Application
larger residential penetrations and high-loss areas including rim joists, sill plates, plumbing, and HVAC openings
Forms Airtight Seal
Yes
Weather Resistant
Yes
Paintable
Yes
Sandable
Yes
Model Comparison
2 models
Original Dispenser
Smart Dispenser | Specification | Original Dispenser | Smart Dispenser |
|---|---|---|
| Model | 363103 | 99108860 |
| variant_label | Big Gap Filler with Original Dispenser | Big Gap Filler with Smart Dispenser |
| gap_up_to_in | 3" | 3" |
| official_sku | 363103 | 99108860 |
| product_page | https://www.greatstuff.dupont.com/products/big-gap-filler-insulating-foam-sealant-orginal-dispenser.html | https://www.greatstuff.dupont.com/products/big-gap-filler-insulating-foam-sealant-smart-dispenser.html |
Shared Specifications
All models| material | polyurethane foam sealant |
| Application | larger residential penetrations and high-loss areas including rim joists, sill plates, plumbing, and HVAC openings |
| forms_airtight_seal | Yes |
| weather_resistant | Yes |
| paintable | Yes |
| sandable | Yes |
| stainable | Yes |
| adheres_to | wood, metal, masonry, glass, most plastics |
| common_color | cream |
| notes | Official pages state the line fills, seals, and insulates gaps up to 3 inches., Both active consumer variants shown by DuPont are 12 oz cans. |