ROXUL sound recording studio mineral wool/Rockwool afb Insulation for sale

Roxul AFB stone wool insulation

Used for the following applications but not limited too:
Recording studio Entertainment centers Gym's Restaurants Theaters
Homes Office's Town homes Condos Commercial applications
Garage studio conversions Soundproof between floors basement ceiling sound insulation    

Roxul stone wool  insulation

Roxul insulation stone wool sound stc rating, R Value=4.2 per 1" Rockwool for recording studio's, home Entertainment centers or home/commercial soundproofing

Products used with Rockwool Roxul is a light-weight, semi-rigid batt that provides fire resistance and sound insulation control. Stone wool insulation available in the following states: NY, CT, MA, MI, up state NY, AL, New York City, FL, Jacksonville FL, NH, Miami FL, DE, NJ, PA, MD, Las Vegas, Phoenix Arizona, CA, Or, & WA. Kindly select the graphic associated with a state to order. This product does not ship via UPS or FedEx. Ships via our distributor only!

Ideal noise attenuation to use between floors between rafters and in walls between 2 X 4's STC's from 42 - 53.

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1/2" Gypsum board, single on one side, double on the other side

3-1/8" steel studs spaced 24" on center

1/8" Mass loaded vinyl

Sound insulation 3" AFB

Acoustical Sealant

STC 61

Fire Resistance:

1 hr rating when using x rated sheet rock between 2 x 4's.

 (Rockwool)  is designed for is an excellent soundproofing product for: between floors, walls, sound studio, entertainment centers any place where there is a noise concern. commercial studio soundproofing, home theaters' industrial, and residential buildings as a fire stopping product. In addition to the placement of Roxul as a between stud filler one should consider the use of resilient channels, an excellent way of increasing your STC's.

  • Perimeter insulation gaps between concrete floor slabs and exterior wall systems
  • Around conduit pipe and duct openings through walls and floor slabs
  • Between fire walls and ceiling slab insulation

Roxul -SAFE® is used in conjunction with a fire sealant to prevent passage of fire and smoke.



  • Non-combustible with melting point of approx. 1177°C (2150°F)
  • Does not promote smoke or flame spread when exposed to flame
  • Minimal shrinkage to maintain critical line of defense against fire
  • Low thermal conductivity
  • Water and moisture resistant; does not absorb moisture to maintain insulating value
  • Does not rot, promote mildew, fungi, or bacteria, or sustain vermin
  • Can be faced with reinforced foil facings
  • Roxul stone wool insulation

    Earns LEED® points – talk to  Rx LEED® Accredited Professional

Technical Data:

Compliance and Performance:

CAN4 - S115M Standard Test Method of Firestop Systems Complies
ASTM C 612 Stone Fiber Block and Board Thermal Insulation Type IVA, Complies
MEA Approval New York City Approval 339-97-M
City Of Los Angeles Approval RR 25444
ULC Design Nos. Consult UL Directory for numerous approved fire-rated joint
systems, through penetration designs and curtain wall design

Fire Performance:

CAN4 S114 Test for Non-Combustibility Non-Combustible
ASTM E 136 Behavior of Materials at 750°C (1382°F) Non-Combustible
CAN/ULC S102 Surface Burning Characteristics Flame Spread = 0
Smoke Developed = 0
ASTM E84 (UL 723) Surface Burning Characteristics Flame Spread = 0
Smoke Developed = 0

Smolder Resistance:

CAN/ULC S129 Smolder Resistance 0.01%

Moisture Resistance:

ASTM C 1104 Moisture Sorption 0.04%

Corrosive Resistance:

ASTM C 665 Corrosiveness to Steel Pass
ASTM C 795 **** Stainless Steel Stress Corrosion Specification
as per Test Methods C871 and C692: U.S. Nuclear Regulatory Commission, Reg. Guide #1.36: U.S. Military Specifications MIL-I-24244 (all versions including B and C)
Weight 2.8 lbs cu/ft  
ROXUL stone wool Insulation

Acoustical Performance::

Thickness 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz NRC
2.0" 0.26 0.68 1.12 1.10 1.03 1.04 1.00
3.0” 0.63 0.95 1.14 1.01 1.03 1.04 1.05
4.0” 1.03 1.07 1.12 1.04 1.07 1.08 1.10
Interior Walls with Steel Studs:
Stone wool insulation installed between steel 2 x 4 studs on 24" centers and 5/8" drywall (type x) provides:
  • Fire Rating: 1 hour
  • Sound Transmission Class (STC): 52
  • R Value= 4.2 per 1"

Call us for shipping costs.

What does STC mean?

STC stands for Sound Transmission Class. This rating is used to compare the acoustic isolation of different materials. The method used to calculate the STC rating is ASTM E413.
What does NRC mean?

NRC stands for Noise Reduction Coefficient. The NRC of a material can be found by using either the Reverberation Room Method (ASTM C423) or the Impedance Tube Method (ASTM C384).

Shipments from: Each State as listed on  their respective page. In addition we've acquired 50 additional distribution centers to ship from, call us if you don't find your state listed. 855-298-6996

Stone wool does not ship via UPS or FedEx it ships via local distributors or LTL

Wholesale Orders
We Offer Wholesale Prices

To find out pricing and more:
Phone: 855-298-6996
Email: Click here
Call us at 855-298-6996
Why Buy From Us?
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- Orders ship within 24 hours
- Easy returns
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