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4" Thick 4# Mineral Wool Board (BULK QUANTITY)

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  • Sound Absorption Coefficients - ASTM C423  - From Manufacturer Datasheets
Rockwool / Thermafiber
Unit Of Measure:
Per Box (3 Panels / 24sf)
Minimum Purchase:
4 unit(s)

 Product Description

4" Thick Rigid Mineral Wool Insulation Boards are used as both acoustical and thermal insulation panels.  The 4" thickness provides both excellent sound absorption (NRC 1.10) and thermal insulation (R Value: 16.8) which makes this a very popular product in both the acoustical field as well as the industrial insulation industry.  This product is sold in boxes of 3 panels which are 4" thick and have panel dimensions of 24" x 48".

As the Acoustical Performance Chart listed below shows, the 4" Mineral Wool Panels are superior in sound absorption across the frequency spectrum.  4" Mineral Wool Panels absorb low, mid, and high frequencies which allows these panels to be made into bass traps (low frequencies) as well as Multi-Band Absorbers (all frequencies).  4" Mineral Wool Acoustical Panels are the preferred core material for Bass Traps.  The mineral wool insulation is installed inside a frame and wrapped with acoustical fabric and placed in the back corners or back wall of a home theater, sound studio, media room, etc.

4 inches
Density: 4#
Panel Size: 24" x 48"
Panels per Box: 3 Panels

Manufacturer is either Owens Corning Thermafiber or Rockwool (formerly known as Roxul).


*This Product is Bulk Quantities Only - Meaning you need to order more than 4 boxes to receive reduced shipping rates online.  If you want to order less than 4 boxes please go to the non-bulk product.



 Product Reviews

  1. Nice sound absorption

    Posted by Frank R. on 16th May 2018

    This is a quality product at a good price. The shipping was pretty fast and the panels were in good condition. I’ll be buying more. A very well designed dite with all the information I needed.

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