Abstract: Methods of making the burnthrough resistant non-woven mat include forming the mat from glass fibers and at least two binders, a first binder having a vinyl component and a second binder having a strengthening component. The vinyl component may be, for example, ethylene vinyl chloride, and the strengthening component may be, for example, melamine formaldehyde. In one method, the vinyl component is added to the glass fibers by a beater addition process and the strengthening component is sprayed onto the glass fibers. The burnthrough resistant non-woven mat may be used in conjunction with an insulation blanket, and may be especially suited to use in insulating aircraft.

Abstract: Fiber-reinforced composite mats are described that include a non-woven web of fibers. The web of fibers may include a first group of fibers having an average fiber diameter from about 8 ?m to about 25 ?m, and a second group of fibers having an average fiber diameter from about 0.5 ?m to about 6.5 ?m. A binder bonds together the non-woven web of fibers into the fiber reinforced composite having an air permeability of 250 cfm/ft2 or less. Also described are gypsum boards that include one or more facers affixed to at least one surface of the gypsum board. The facers may be made from the above, described fiber-reinforced composite mats.

Abstract: A gypsum board comprises a set gypsum layer having a first face and a second face. An uncoated fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web comprises glass fiber consisting essentially of a major portion composed of chopped continuous glass fibers having an average fiber diameter ranging from about 8 to 25 ?m and optionally a minor portion consisting essentially of at least one of small diameter glass fibers having a fiber diameter of at most about 13 ?m and microfibers having an average fiber diameter ranging from about 0.05 to about 6.5 ?m. The board is exceedingly durable and has a high resistance to water absorption, rendering it particularly useful for exterior insulation systems.

Abstract: Dispersion of a fire retardant agent in a binder used to form a fire retardant fiberglass mat allows for easy and uniform incorporation of the fire retardant agent into the fire retardant fiberglass mat. The fire retardant fiberglass mat is bonded to a fiberglass insulation batt, providing fire retardant composite useful as duct board or equipment liner.

Abstract: A gypsum board comprises a set gypsum layer having a first face and a second face. An uncoated fibrous mat is affixed to at least one of the faces. The mat comprises a non-woven web bonded together with a resinous binder. The web comprises glass fiber consisting essentially of a major portion composed of chopped continuous glass fibers having an average fiber diameter ranging from about 8 to 25 ?m and optionally a minor portion consisting essentially of at least one of small diameter glass fibers having a fiber diameter of at most about 13 ?m and microfibers having an average fiber diameter ranging from about 0.05 to about 6.5 ?m. The board is exceedingly durable and has a high resistance to water absorption, rendering it particularly useful for exterior insulation systems.

Abstract: A method is disclosed for providing a substantially smooth surface on a wall substrate having a wall surface with surface irregularities. The method comprises applying an adhesive substantially uniformly to the surface of the wall substrate, and attaching to the wall surface a base sheet having sufficient stiffness, thickness and compressibility to conceal the surface irregularities and provide a substantially smooth surface on the wall substrate. In one aspect of the method, the base sheet is a nonwoven fiber glass mat.

Abstract: A wallcovering system, composite wallcovering and method for providing a smooth finished surface to wall substrate are provided. The wallcovering system comprises a composite wallcovering consisting essentially of a decorative wallcovering layer bonded to a base sheet having sufficient stiffness, thickness and compressibility to conceal surface irregularities on a wall surface of a wall substrate. In one aspect of the invention, the composite wallcovering comprises a layer of woven glass fiber adhesively bonded to a nonwoven fiber glass mat. The composite wallcovering can be installed in one step to provide a smooth finished wall surface on the wall substrate.

Abstract: A nonwoven fibrous mat containing non-cellulosic fibers such as glass fibers, mixtures of glass fibers and synthetic polymer fibers, ceramic fibers, mixtures of glass fibers and natural fibers and mixtures thereof bound together with a water soluble, formaldehyde free binder, the binder content of the mat being in the range of about less than about 4 weight percent of the dry mat is particularly useful in making wood or wood product laminates. The mat can also contain limited amounts of cellulosic fibers. The low binder content produces mat manufacturing efficiencies and advantages in the wood laminate.