Soudal
BOSS® 816+ Firestop Sausage - 20 oz
SKU: 154617
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UL Classified Intumescent Firestop Sealant is a fire rated, general purpose sealant for use on through-penetrations and construction joints. It is a single component, non-sag, water-based sealant and smoke seal that is easy to apply and clean up. BOSS® 816+ will prevent the spread of toxic gases, water, smoke, and fire through joint openings and through penetrations. BOSS® 816+ is suitable for adhesion to almost any surface and remains flexible, making it ideal for both horizontal and vertical joints, subject to vibration or dynamic movement. It bonds quickly, has excellent adhesion and is non-toxic.
**10.1 oz cartridge shown - not 20 oz sausage
- Prevents spread of gases, smoke, and fire
- Mildew resistant
- Remains flexible
- Water based and paintable after inspection
- Excellent freeze/thaw properties
- Bonds quickly with excellent adhesion
- Safe to use and handle
| Brand | Soudal |
|---|---|
| Date Added | Apr 14, 2026 |
| UPC | 787930816122 |
| Store Location (Lititz, PA) | Aisle 25, Section A2 |
| Package Length (in) | 2.00" |
| Package Width (in) | 2.00" |
| Package Height (in) | 13.50" |
| Manufacturer Part Number | 154617 |
| Color | Red |
| pH | 7 - 8 |
| Volatile Organic Content | 5 g/l |
| Skin Forming Time | 30 minutes @ 77°F |
| Density | 12.5 lbs/gal |
| Elastomeric | Yes |
| Curing Time @77°F | 21 - 28 days |
| Freeze/Thaw | Excellent |
| STC Rating | 65 |
| Tested To | ASTM E-90 |
| Service Temperature | -20°F to 185°F |
| Application Temperature | 40°F to 110°F |
| Size | 20 oz |