BOSS® 816+ 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. BOSS® 816+ is protected against mold growth with a combination of biocides in both wet and dry stages. It has been tested to the following specifications: UL 1479 (ASTM
E-814), UL 2079 (ASTM E-1966), ASTM E-84 (0-flame, 0-smoke),
ASTM E-90 (STC 53).
- Bonds quickly with excellent adhesion
- Mildew Resistant
- Remains flexible
- VOC compliant
- Excellent freeze/thaw properties
- Safe to use and handle
- Water based and paintable
- 12 month shelf life
- Color: Red
- pH: 7 to 8
- Volatile Organic Content: 5 g/l
- Skin Forming Time: 30 minutes @ 77°F
- Density: 10.75 lbs./gal
- Elastomeric: Yes
- Curing Time @77°F: 21 to 28 days
- Freeze/Thaw: Excellent
- STC Rating: 53
- Tested To: ASTM E-90
- Service Temperature: -20°F to 185°F
- Application Temperature: 40°F to 110°F
Explanation of "Stock" Availability Term
Stock items are products we normally have available for immediate shipment either from our warehouse or our vendor's warehouse. If we or our vendor are out of stock or do not have enough inventory to complete your order we will notify you by phone or email as soon as possible. If you need an immediate inventory status update before you place an order please call our sales department direct at 800-323-2999 Monday through Friday 7:00AM - 4:00PM Pacific Time for this information.
California Proposition 65 Warning: The following warning is a requirement of DHC Supplies to post on our website in order to sell the above product into the state of California. Please view the current product SDS sheet(s) (if available) and visit the
California Prop 65 Home Page for more information.
 |
WARNING! This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
|