Insulation Spray Foam Sealant
Great Stuff Fireblock
Great Stuff Fireblock is the residential fireblocking foam sealant line positioned for sealing service penetrations to help impede the spread of smoke and flames while also restricting airflow.
Material
polyurethane foam sealant
Application
residential fireblocking at service penetrations, wall studs, and between floors
Color
orange
Minimal Expansion
Yes
Forms Airtight Seal
Yes
Impedes Smoke And Flame Spread
Yes
Model Comparison
1 models
Smart Dispenser | Specification | Smart Dispenser |
|---|---|
| Model | 99112831 |
| variant_label | Fireblock with Smart Dispenser |
| gap_up_to_in | 1" |
| official_sku | 99112831 |
| product_page | https://www.greatstuff.dupont.com/products/fireblock-insulating-foam-sealant-smart-dispenser.html |
Shared Specifications
All models| material | polyurethane foam sealant |
| Application | residential fireblocking at service penetrations, wall studs, and between floors |
| color | orange |
| minimal_expansion | Yes |
| forms_airtight_seal | Yes |
| impedes_smoke_and_flame_spread | Yes |
| certifications | ASTM E84, ASTM E814 (modified), UL 1715 |
| notes | Official Fireblock page states the product fills and insulates gaps up to 1 inch., DuPont explicitly surfaces fire-test references on this line page. |