USG Micore® 300 Mineral Fiber Board

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.

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

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Frequently Asked Questions

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features and benefits

Versatile MICORE® 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

 

Customer Service Center
1-800-950-3839
7 a.m. - 6 p.m. CT, Mon - Fri

USG4YOU Tech Support
1-800-USG4YOU (1-800-874-4968)
7:30 a.m. - 4 p.m. CT, Mon - Fri

Email USG Technical Support

Design & Specification
Assistance
Find your local architectural representative

Frequently Asked Questions

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