Homasote makes structural building boards designed for use in residential and commercial buildings that require a Class A (25 flame spread) rating. They are UL fire rated; see UL fire resistance directory.)

Is Homasote fireproof?

Homasote® is a structural building board and substrate for interior or exterior application, offering constant insulation against air, moisture and noise penetration. It is a UL fire-rated structural building board and UL recognized component in floor protectors and wall shields. Fire Rated N.C.F.R.

What is Homasote board used for?

Homasote has a variety of uses in and around the home. It is ideal for sound control and insulation in walls, ceilings and floors. It makes versatile and decorative bulletin boards. Homasote is lightweight, easy to cut and easy to handle.