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SAFB (Sound Attenuation Fire Blankets)

SAFB (Sound Attenuation Fire Blankets)

Thermafiber® SAFB (Sound Attenuation Fire Blankets)


THERMAFIBER Sound Attenuation Fire Blankets (SAFB) are mineral wool batts designed to stop sound, save energy, and provide life saving fire protection. These products are noncombustible, moisture-resistant, noncorrosive, nondeteriorating, mildew-proof and verminproof. Thermafiber SAFBs provide acoustical control, thermal insulation, and fire protection in many different UL fire rated wall and floor-ceiling assemblies. SAFBs resist temperatures over 2000ºF as compared to fiberglass insulation that melts around 1000ºF. SAFBs add STCs to wall and floor-ceiling assemblies. SAFBs can be installed in both steel stud and wood stud construction. See Thermafiber’s SAFB Brochure (TF885) for more detail on STC and fire ratings for multiple wall and floor-ceiling assemblies.

Product Options:

Recycled Content Options:
    Special “Green” Fiber................................................................90%
    EPA Choice Fiber (US Government Buildings)...........Minimum 75%
    Standard Fiber..........................................................................70%
  • Interior Stud Cavity – Friction fit SAFBs securely between studs. Butt ends of blankets closely together and fill all voids.
  • Creased SAFB – Bow the blankets slightly to fit into stud cavity. Slit the blankets vertically 1” deep with a utility knife.
  • Floor-Ceiling – Friction fit SAFBs securely between floor joists.
  • Ceiling Overlayment – Lay SAFBs over ceiling panels extending 48” beyond all partitions. Tightly fit around all hangers, obstructions, and penetrations.

Standard Sizes:

  Thickness* Widths*** Lengths
SAFB 2.5 pcf1½”- 7”15¼”, 16”, 17”, 23”, 24”, 25”48”
SAFB 4.0 pcf**1”15¼”, 16”, 17”, 23”, 24”, 25”48”
Tolerances+1/4” - 1/8”±1/8”±1/2”
*Thicknesses are available in ½” increments. Custom sizes are available upon request
***Non-Standard 4.0 pcf is available in thicknesses of 1 ½” – 7” upon special request
***15 ¼” and 23” are recommended widths for wood stud construction

Technical Data:

  Tested to ASTM E 84
  Tested to ASTM C 518 Unfaced
Product Designation Nominal Density “k” @ 75° [24°C] BTU.in/hr.sq. ft. °F “R” value per inch of thickness*** Flame SpreadSmoke Developed
SAFBSafing2.5 pcf0.273.700
SAFB4.0 pcf0.244.200
***R = thickness divided by ‘k’

Acoustical Performance:

  Coefficeints at Frequencies Per ASTM 423
  Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
SAFB 2.5 pcf Density2”0.340.611.

Standards Compliance:

SAFB Insulation meets the following:

NFPA 101 Class A rated interior fi nish
ASTM C 665 Type I, per Federal Specifi cation HH-I-521F
ASTM E 136 Rated Non-combustible per NFPA Standard 220
ASTM C 1104 Absorbs less than 1% by volume

SAFB products are approved by: New York City Board of Standards & Appeals – (under BSA 35-66-SM, 173-77-M, 249-74-SM, 34-66-SM, & accepted by MEA 207-82-M, Vol. 2)

3711 Mill Street
Wabash, IN 46992
Tollfree: (888) 834-2371
E-mail: info@thermafiber.com
Web site: http://www.thermafiber.com

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