Fiberglass Insulation Systems

Insulating homes and buildings for more than 30 years

Guardian Fiberglass, Inc. manufactures a complete line of light-density fiberglass building insulation products for the construction markets in the United States and Canada. Primarily branded under the Guardian Fiberglass label, Guardian products are also sold under well-known private brand names including Do It Best and Meeks, with a primary focus on the independent lumber dealer and home center market.

The company has been awarded numerous "Vendor of the Year" designations from major buying group customers. Guardian is known for its positive, hard-working people, entrepreneurial spirit and commitment to its customers.

Extensive product line

Our extensive product line includes kraft and foil faced and unfaced batt and roll insulation designed for thermal protection and sound control. R-values are available from R-8 to R-49. Guardian Fiberglass also manufactures a complete line of loose-fill insulation, including Supercube II^® and AtticGuard^®Plus for ceiling applications, and high density products such as AsureR Plus and UltraFitDS Plus spray-on insulation systems for pneumatic installation in walls.

Specialty insulation

Guardian produces a number of specialty products for the residential and commercial construction industry, including:

AsureR^® Plus and UltraFitDS^®Plus Both are specially-designed fiberglass insulation products that create a seamless blanket of insulation by conforming to all shapes and sizes of wall cavities.
Faced metal building insulation Reduces energy costs, controls condensation, improves noise control and provides enhanced light reflectance.
Purlin Glide FP^® OSHA compliant leading edge fall prevention and insulation system for metal buildings and Guardian’s most respected insulation system.
AtticGuard^®Plus Provides consistent thermal performance, looks great and makes insulating those difficult areas easy. AtticGuard^® is non-corrosive, non-combustible, non-flammable, pest-resistant and has no added formaldehyde.
Stable-R stabilized fiberglass attic insulation Unique and patented insulation product that virtually eliminates any internal convection within the insulation, assuring you of consistent thermal performance.
EnergySaver FP™ OSHA compliant leading edge fall protection when installed by a Guardian certified contractor.