Micore Mineral Fiber Board

by SBI


Versatile and sturdy, with a nearly endless list of applications, Fiber Board from SBI is simply peerless. This Micore-300 Fiber Board features mineral fiber construction for extra safety and durability. This pack contains four exceptionally high-quality Micore-300 boards. The boards themselves measure 48″ x 24″ x 1/2″, and make for a splendid addition to whatever project you’re using Fiber Core for. SBI’s high quality materials are among the finest in the industry. You can’t go wrong with this stellar Fiber Board from SBI.


  • Micore-300 mineral fiber construction
  • Pack contains four boards
  • Board Dimensions: 48″ x 24″ x 1/2″
  • R value per 1/2 inch sheet of Micore is 1.03


Don’t take it from us. Hear what our clients are saying.

Let's talk Fireplaces

  • Message