Our samples fulfillment partner is experiencing an outage and there will be a delay in all sample shipments. We will work with them to ensure all sample orders are processed once the issue is resolved.

We apologize for any inconvenience.

It looks like you entered an employee email address, but this is the customer sign-in. Use the link below instead.

Micore® 300 Mineral Fiber Board

High-performance mineral fiber board handles easier than gypsum panels and particle board.

Key Documents & Design Files

Overview

Overview

High-performance mineral fiber board handles easier than gypsum panels and particle board. Versatile substrate and core — can be used for fabric and vinyl-covered wall panels, office dividers, tack boards, chalkboards and stove boards.

Main Features

VersatileMicore® 300 Mineral Fiber Board adapts to a variety of applications and outperforms gypsum panels in workability, with its organic mineral fibers that resist moisture and minimize expansion and warping.Micore® 300 Mineral Fiber Board:
  • Offers outstanding resilience, superior machinability, high "k" factor, heavy density and is the highest surface hardness of any Micore® board
  • Can be used as a substrate or core for a variety of applications
  • Outperforms particle and other wood fiber boards for flame spread and sound absorption
  • Is nearly 50% lighter than particle board – allowing for easier handling and lower shipping rates
  • Cuts quickly and easily using standard equipment; adapts readily to last-minute design changes
  • Is available in five thicknesses — 3/8", 7/16", ½", 5/8" and ¾"
NOTE: STC ratings tested per ASTM E90 and NRC is tested in accordance with ASTM C423; classified in accordance with ASTM E413

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 167.0 KB

Catalogs & Brochures

Brochure (English) PDF 862.9 KB

SDS, Certifications & Reports

SDS (English) PDF 170.7 KB
Certificates (English) PDF 232.9 KB

Sustainability

Certificates (English) PDF 232.9 KB

Ask a question

Our customer support team will get back to you as soon as possible.

Question Guidlines

  • Questions should relate to this product specifically.
  • For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
  • All questions and answers follow USG’s Terms & Conditions.
  • Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.

q & a

  • Can I paint Micore® Mineral Fiber Board?

    No, the painting of Micore will impair acoustical and fire performance and will void all manufacturer warranties.

  • Can I install ceramic on Micore® Mineral Fiber Board?

    This is not something we recommend. Instead, wesuggest using USG Durock® Brand Cement Board for this type of situation.

  • What is the difference between Micore® 160 and Micore® 300?

    The major difference between the two is denisty, Micore® 300 is 23±3 lbs./cu. ft. and Micore® 160 is 18±2 lbs./cu. foot.

  • What type of adhesive should I use to laminate fabric to Micore® Mineral Fiber Board?

    Do to the wide range of fabrics and glues on the market and how they may interact with one another we do not provide any specific recommendations.

  • Have a question?

    Let us do the research. We'll get back to you as quickly as we can.

    Ask USG
  • Need help right away?

    Call our Technical Support team at 800-874-4968 (Monday-Friday, 7:30 am - 4 pm Central).

Top