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SBI Micore-300 Mineral Fiber Insulation Board - Pack of Four
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SBI Micore-300 Mineral Fiber Insulation Board - Pack of Four

$217.95 $269.99 19% Off
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Product Details

Manufacturer: SBI
SBI Part Numbers: AC02565B
Item Number: SBI-AC02565
UPC: 773388155326

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Features

  • Dimensions: 48" W x 24" H x 1/2" D
  • 1.03 R value per 1/2" thick board
  • Can be installed with simple wood screws
  • Cuts to size with standard woodworking tools or utility knife
  • For use to slow flame spread or as a sound-absorbing barrier
  • Provides protective insulating layer beneath non-combustible materials
  • Classroom-rated per Collaborative for High-Performance Schools, Section 01350
  • Guards from continuous temperatures up to 450 degrees, intermittent temperatures up to 550
Versatile and sturdy with a nearly endless list of applications, passive fire protection from SBI is simply peerless. This Micore-300 Mineral Fiber Insulation Board features slag wool mineral fiber construction for extra safety and durability. This pack contains four exceptionally high-quality Micore-300 boards. These protective insulating boards make a great addition to homemade stove boards, fireplace framing, and more. SBI's high-quality materials are among the finest in the industry, so you can't go wrong with this stellar Mineral Fiber Insulation Board from SBI.

Customer Q&A with Product Specialists

Greg B. from Quincy Ill asked:
Are these 4 48x24 pieces?
Are these 4 48x24 pieces?
Yes, this is four 48 x 24 pieces.
Answered by: on Apr 04, 2024

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Dan Z. from 16115 asked:
Do you have this in 1/4" or 3/8" thickness?
Do you have this in 1/4" or 3/8" thickness?
We apologize, but we do not carry the Micore in 1/4 or 3/8 inch thickness.
Answered by: Kathy O. on Oct 19, 2023

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Curtis B. from sound beach ny asked:
How can this be cut?
How can this be cut?
Micore 300 can be cut using a sharp utility knife, similar to cutting a piece of drywall.
Answered by: Cody S. on Jun 20, 2022

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Kathy from Meriden, NH asked:
Should 2 sheets side by side be joined for a continuous fire retardant shield, and if yes with what material?
Should 2 sheets side by side be joined for a continuous fire retardant shield, and if yes with what material?
This board is not meant to be used as a heat shield, but you may consider something such as a stove board.
Answered by: Tyler M. - NFI Master Hearth Professional

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Customer Reviews

SBI Micore-300 Mineral Fiber Insulation Board - Pack of Four
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Updatecategoryparent

Fast delivery, product in great shape!

Used to make a fire shield for my new wood stove. Put on a tin tile facing--and it's beautiful!
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Lori
Dec 21, 2022
Verified Buyer Check Mark Verified Buyer

Exactly what we needed!

First of all, I commend efireplace store on their customer service. The product was exactly what I needed to become part of a DIY wood stove hearth. The product was shipped before its promise date. Can’t beat that.
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Hildabob
Verified Buyer Check Mark Verified Buyer

Exactly what I needed

Gave me a great R-value without making my Hearth massive. I did two layers of Micore-300 sandwiched between 1/2" Hardie board

Pros

So easy to install!!

Cons

Have not had a con yet
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Ralph
Verified Buyer Check Mark Verified Buyer

Just what I needed for floor protection project

I needed a non-combustible board with a minimum insulation rating to build in floor protection system for a wood burning kitchen range. This board will be the bottom layer of the protection system followed by cement backer board and then ceramic tile. The top of the ceramic tile will be level with the surrounding kitchen floor for a better look and avoidance on any tripping hazards. If you are interested I can provide heat transfer calculations and construction photos.

Pros

Nice size for handling, just the right thickness to provide required R-value, easy to work with.

Cons

A little more expensive than my original calculations, but then everything construction related has increased in price.
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Toml
Verified Buyer Check Mark Verified Buyer

Prompt shipping arrived in great condition

Should work well for underlaymrnt of hearth
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By Sal
Verified Buyer Check Mark Verified Buyer

Great product!

Light weight, easy to work with and a high r-value!
4.7
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
40 Reviews
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