Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation
    Auralex Acoustic Mineral Fiber Insulation

    Auralex Acoustic Mineral Fiber Insulation

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    • Description
    • Price Guaranty
    • Shipping

    Mineral Fiber Insulation is the workhorse of our isolation materials. It is an insulation panel which provides acoustic isolation, as well as typical insulation properties. It offers excellent acoustic performance with and NRC of 1.00 (2”) and 1.05 (4″). The thermal performance has an R-Value of 4.20 (per inch of thickness). Auralex Mineral Fiber has a nominal density of 8 pounds per cubic foot (PCF). When compared to most standard, thermal, fiberglass insulation, it is far superior for reducing sound transmission. Mineral Fiber is most effective when used in combination with RC-8™ Resilient Channel and SheetBlok™ Sound Barrier (wall and ceiling isolation), or U-Boat™ Floor Floaters and SheetBlok™ Sound Barrier (floor isolation).



    • 2″ – 1.00
    • 4″ – 1.05

    Qty. Per Box:

    • 2″ – 6 (48 sq. ft.) – 2" x 24" x 48"
    • 4″ – 3 (24 sq. ft.) – 4" x 24" x 48"

    Flame Retardancy: 

    • Class A (ASTM E-84*)

    Availability: Ships in 4-5 Business Days


    Construction Spec Sheet 

    Mineral Fiber Spec Sheet

    *While many Auralex products are fire retardant and/or self extinguishing to varying extents, we cannot guarantee that any product meets the specific building code regulations in your area as regulations widely vary from place to place. Check with you local fire marshal or building inspector for approval prior to purchasing or installing any of our products. Auralex will not be held liable for property damage or injuries caused by misuse of our products.

    • If your installation is a commercial application we recommend that you only consider those products that have a documented fire rating meeting a specific standard. Since local fire codes are not harmonized and are not applied in a uniform manner by local inspectors there is no guarantee of passing inspection.
    • Because of this we recommend checking with your local fire marshal or building inspector regarding which specific test standards will be accepted prior to purchasing our product.
    • We can provide fire test reports for many of our fire rated products performed by certified third party testing facilities.
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    We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price then within six months of your purchase date please let us know and we will refund your original payment for the difference. We want you to feel confident that you are getting the absolute best price for the product you are ordering. If you find that our website has a lower price for the same item you have ordered within six month of your purchase date we will refund the difference as well.

    To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we process the credit accordingly.

    Our 100% Price Guarantee has some limitations:

    • You must purchase the item from our website before requesting your Price Match Guarantee

    • Promotions such as rebates and buy one, get one free offers are not eligible

    • The item must be in stock on the competitor website

    • The competitor must be an online store, they may not have a retail location

    • The website cannot be a discounter or auction website(ie; eBay, overstock, etc)

    • The competitor must be an Authorized Retailer of the product in question

    • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax

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    Order Confirmation:

    As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase. As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment. If your item is on back order or unavailable, we will void the pre-authorization and reach out to you via e-mail. If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

    Order Shipment:

    If your order is stock and we process the charges to your credit card, it will ship within five business days from the date of your order. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provide when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at


    Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrive damaged, please send photos to and we will process an insurance claim on your behalf.

    Cancellations & Refunds:

    All orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped. If your order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order.


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