FAQ

What is Thermafiber
®
Mineral Wool Insulation?
Thermafiber
®
mineral wool insulation is made from naturally occurring rocks and recycled slag. Slag is a by-product of the steel
industry. Rocks, of various types, are an abundant natural resource. These raw materials are melted at 2,600°F and fiberized
(spun into fibers) to create Thermafiber
®
mineral wool insulation products with an industry leading minimum of 70 percent
recycled content
1
. Thermafiber
®
mineral wool insulation is naturally non-combustible and fire resistant up to 1093° C (2000° F)
making it great for providing protection to structures.
What happens if Thermafiber
®
insulation gets wet?
Thermafiber
®
mineral wool insulation is moisture resistant and does not readily absorb water as tested per ASTM C 1104. If the
insulation gets wet, simply allow the insulation to dry in order to maintain original performance.
Is Thermafiber
®
insulation resistant to mold and fungi growth?
As an inorganic material made from rocks and slag, Thermafiber
®
mineral wool insulation does not provide a food source for
mold growth. Thermafiber
®
products have been tested per the ASTM C 1338 standard for determining the resistance of
insulation to the growth of fungi, ensuring the products are mold resistant.
What is the difference between Thermafiber
®
Fire & Sound Guard™ insulation
& Thermafiber
®
UltraBatt™ insulation?
Thermafiber
®
Fire & Sound Guard™ mineral wool insulation is specifically designed to provide outstanding sound performance
to help keep outside noise out and reduced inside noise from traveling room-to-room. The product is best suited for interior
partition walls and floors/ceilings. In addition, Fire & Sound Guard™ withstands temperatures above 1093° C (2000° F) giving
you more time to gather your loved ones in case of a fire.
Thermafiber
®
UltraBatt™ mineral wool insulation is specifically designed to reduce heat transfer from the outside of the home to
the inside of the home by providing a high thermal resistance (R-value) for exterior walls, floors and ceilings and will further
enhance noise control.
Thermafiber
®
Mineral Wool Insulation
FREQUENTLY ASKED QUESTIONS
Fire & Sound Guard UltraBatt
Can I use Thermafiber
®
Fire & Sound Guard™ insulation in exterior walls, floors and ceilings?
As a thermally rated product, we recommend the use of Thermafiber
®
UltraBatt™ in exterior wall, floor, and ceiling applications.
Thermafiber
®
Fire & Sound Guard™ is best suited for interior applications.

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