BOSS® 139 FIRE MORTAR

Low-cost, non-combustible fireplace mortar that passes ASTM E-136 and has been tested to 3000°F. Can also be used in residential firestop applications where the building code calls for a non-combustible material.

• Ideal for sealing fireplaces and wood burning stoves
   

BOSS® 816 DRAFTSTOP SEALANT

Fire rated sealant and non-combustible filler caulking. Used in the annular space around wires, pipes, ducts, vents, cable lines and other penetrations to the building envelope. Applicable standards include: UBC page 1–387, 1997 edition, CABO section 602.7 item 4, 1995 edition, BOCA (NBC) 704.4.1.1 1996 and ASTM E-136.

​

BOSS® 136 INTUMESCENT FIRESTOP SEALANT

Non-sag, water-based sealant and smoke seal that is easy to apply and clean up. Prevents the spread of toxic gases, water, smoke and fire through joint openings. Meets ASTM E-814 (UL 1479), standard test method for fire tests of through-penetration firestops. Conforms to BOCA National Building Code (1996), CABO one and two family dwelling code (1995), Uniform Building Code (1997). See UL Fire Resistance Directory for a list of systems established for Boss 816.

​

BOSS® 81324 FIRESTOP EXPANDING FOAM

A true firestopping foam that is UL Classified and has passed the strict UL 1479 and ASTM E-814 tests. UL systems for cables, conduit and metallic pipes available. Prevents spread of fire, smoke and toxic gases up to a 2-hour fire rating. Ideal for use in hotels, prisons, hospitals, condominiums, single and
multi-family homes.

​

FIRE SEAL FS 136

Tested to meet and exceed ASTM-E136 and ASTM-E814 standards for fireblocking/firestopping single-family residential construction. Fire Seal possesses superior adhesion and freeze-thaw characteristics and is the contractors’ #1 choice for fireblocking non-rated wood-frame construction. Fire Seal will not shrink, crack, or crumble upon cure. Fire Seal creates an air-tight barrier to prevent passage of flames, smoke, and toxic gases from spreading area to area within concealed spaces.

Want more information on FIRE RATED CAULK?
For Homeowners: 866-240-4933
For Contractors: 800-666-8191

​