3M™ Fire Barrier 2000 Silicone Sealant

The sealant remains elastomeric and is weather resistant. It will bond to most common construction materials.

Applications
Ideal for sealing simple penetrations such as around metallic or glass pipes and conduits to control the spread of fire. Helps limit the spread of noxious gas, smoke and water. Maintains the integrity of fire-rated construction. The sealant is designed for use in fire-rated control and isolation joints.

Limitations
3M Fire Barrier 2000 Silicone Sealant should not be applied to:

Material Safety Data Sheet (PDF)

The firestopping sealant is a one-component, ready-to-use, gun-grade, silicone elastomer. The sealant shall be listed by independent test agencies such as UL or FM and be tested to, and pass the criteria of, ASTM E814 Fire Test, tested under positive pressure. It shall comply with the requirements of the NEC (NFPA-70), BOCA, ICBO, SBCCI and NFPA Code #101.
The sealant meets joint movement performance ratings of ASTM Specification 920, Type S, Grade NS, Class 25, Use T, NT, M, G, A and O.

Firestopping Properties
Meets the criteria of ASTM E814 Test, tested under positive pressure. 3M 2000 Silicone Sealant also meets UL 2079, ASTM E 1399 and E 119 specifications.

Maintenance
3M Fire Barrier 2000 Silicone Sealant is stable under normal storage conditions.
Cartridges have a one year shelf life. Pails have a six month shelf life.
Normal stock and stock rotation are recommended. Store below 90°F (32°C) for maximum shelf life.

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How-To Corner

Shown are examples of UL classified applications of 3M 2000 Silicone Sealant. Additional drawings and details are available through your 3M Authorized Fire Protection Products Distributor.

Do NOT use alcohol to clean surfaces in the penetration. Alcohol can keep sealant from curing properly. Recommended cleaning solvents are mineral spirits, xylene, toulene or methyl ethyl ketone (MEK). Follow the manufacturer's precautions when handling solvents.

Installation Notes:

• Clean surfaces of the opening and all penetrating items to allow proper adhesion of firestop materials.
• Install damming materials as necessary to contain firestop materials while they cure.
• Install required amount of fire-rated fill materials such as mineral wool or ceramic board.
• Install the proper amount of 3M Fire Barrier 2000 Silicone Sealant to obtain the specified, 1-, 2-, 3- or 4-hour fire rating.

1. Metal pipe/conduit applications through nominal 24 inch (609,6mm) outside diameter.
   • Minimum 1/2 inch (12,7mm) depth of 2000 Silicone Sealant is required.
   • Maximum annular space allowable is 3-1/4 inches (82,5mm).
   • Packing material is a minimum 3-inch (76,2 mm) depth of 4 pcf mineral wool.
   • Concrete floor thickness is a minimum 4-1/2 inches (101,6mm).
2. Metal pipe/conduit applications for 2 hour rated gypsum wallboard assemblies.
   • Minimum 1-1/4 inch (31,7mm) thickness of 2000 Silicone Sealant is required plus inch thick bead at the pipe/wall interface.
   • A nominal 3/4 inch (19,1mm) annular space is required.
   • Maximum pipe size is 24 inches. (609,6 mm)
3. Insulated cable applications.
   • All cases require a minimum of 1-1/2 inches (38,1mm) depth of 2000 Silicone Sealant.
   • Common building materials such as backer rod, may be used for insulated cable applications
   • Maximum five 7/C No. 12 AWG PVC insulation with PVC jacket allowed with 1/2 inch (12,7mm) between cables and perimeter of opening.
   • Concrete thickness must be a minimum 3-1/4 inches (82,5mm)

Maintenance

3M Fire Barrier 2000 Silicone Sealant is stable under normal storage conditions.
Cartridges have a one year shelf life. Pails have a six month shelf life.
Normal stock and stock rotation are recommended. Store below 90°F (32°C) for maximum shelf life.

Warranty and Limited Remedy

This product will be free from defects in material and manufacture for a period of ninety (90) days from date of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
User is responsible for determining whether the 3M product is fit for a particular purpose and suitable for user's method of application. If this 3M product is proved to be defective within the warranty period stated above, your exclusive remedy and 3M’s sole obligation shall be, at 3M's option, to replace or repair the 3M product or refund the purchase price of the 3M product.

Limitation of Liability

Except where prohibited by law, 3M will not be liable for any loss or damage arising from the use of this 3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability.