Johns Manville Building Insulations

Commercial Building Insulations

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717 17th St. P. O. Box 5108
Denver, CO 80217-5108
Toll Free: 800-654-3103
Phone: 303-978-2499
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Johns Manville Formaldehyde-free™ fiberglass insulation provides thermal and accoustical control for both vertical and horizontal applications. Fiberglass insulation is available in a wide range of thermal resistance R-values and is available unfaced or with a variety of facings, including kraft or foil.

Johns Manville Attic Protector® Formaldehyde-free™ premium blow-in fiberglass insulation offers effective thermal and acoustical performance. Installed with a portable blowing machine, it's perfect for covering hard-to-reach areas within attics and provides a more efficient installation for homeowners or remodeling professionals.

Rated 5 based on 1 product reviews

JM Formaldehyde-free™ Cavity-SHIELD™ fiberglass batts are made of long, resilient glass fibers bonded with a thermosetting resin. A wide range of thicknesses are available to provide NFPA 13 compliant passive fire protection in lieu of sprinklers for horizontal floor-ceiling cavities. Cavity-SHIELD fiberglass batts are available unfaced.

Rated 5 based on 1 product reviews

Johns Manville Climate Pro® Formaldehyde-free™ blow-in, loose-fill fiberglass insulation offers thermal and sound control along with fire resistance. One bag of Climate Pro provides 77.1 square feet of R-30 coverage. Engineered for professional use with high-volume blowing machines, it's ideal for attics, nonconforming spaces and hard-to-reach areas making the job faster and easier.

Rated 5 based on 1 product reviews

Johns Manville ComfortTherm® poly-encapsulated thermal and acoustical insulation offers R-Values up to R-30 and is available in precut batts to fit standard wall cavities or rolls for custom installation in any size of wall cavity. ComfortTherm® insulation is wrapped in plastic for dust-free, itch-free installation, and can be used in a wide variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit.

Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ FSK-25 thermal and acoustical fiberglass insulation is available in R-Values up to R-30, and is offered in precut batts to fit standard wall cavities. FSK-25 faced batts combine fire resistance with excellent vapor resistance, and can be used in a wide variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit. FSK-25 batts are designed with a foil facer that can be left exposed where codes permit.

Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ Kraft-faced thermal and acoustical insulation offers R-Values up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Kraft-faced insulation is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood-framed, engineered wood and steel frame construction applications, including new construction and retrofit.

Rated 5 based on 1 product reviews

Johns Manville Panel Deck FSK-25 Formaldehyde-free™ thermal and acoustical insulation is available in R-Values up to R-30 and combines fire resistance with an excellent vapor retarder. Panel Deck FSK-25 insulation is offered in precut batts with extra-wide tabs for modular roof deck applications and other specialty commercial applications. This product is designed with a foil facer that can be left exposed where codes permit.

Rated 5 based on 1 product reviews

Johns Manville Spider® Plus Formaldehyde-free™ blow-in fiberglass insulation uses interlocking fiber technology to fill all gaps and voids quickly with no adhesive or netting for a faster installation. Spider Plus provides complete coverage, with no shrinking or settling, resulting in superior thermal performance and sound control. Designed for use in wood- and metal-frame construction, engineered- wood construction and manufactured homes.


Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ Unfaced thermal and acoustical insulation offers R-Values of up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Unfaced insulation reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit. 

Rated 5 based on 1 product reviews

JM Formaldehyde-free™ Cavity-SHIELD™ fiberglass batts are made of long, resilient glass fibers bonded with a thermosetting resin. A wide range of thicknesses are available to provide NFPA 13 compliant passive fire protection in lieu of sprinklers for horizontal floor-ceiling cavities. Cavity-SHIELD fiberglass batts are available unfaced.

Rated 5 based on 1 product reviews

Johns Manville Climate Pro® Formaldehyde-free™ blow-in, loose-fill fiberglass insulation offers thermal and sound control along with fire resistance. One bag of Climate Pro provides 77.1 square feet of R-30 coverage. Engineered for professional use with high-volume blowing machines, it's ideal for attics, nonconforming spaces and hard-to-reach areas making the job faster and easier.

Rated 5 based on 1 product reviews

Johns Manville ComfortTherm® poly-encapsulated thermal and acoustical insulation offers R-Values up to R-30 and is available in precut batts to fit standard wall cavities or rolls for custom installation in any size of wall cavity. ComfortTherm® insulation is wrapped in plastic for dust-free, itch-free installation, and can be used in a wide variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit.

Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ FSK-25 thermal and acoustical fiberglass insulation is available in R-Values up to R-30, and is offered in precut batts to fit standard wall cavities. FSK-25 faced batts combine fire resistance with excellent vapor resistance, and can be used in a wide variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit. FSK-25 batts are designed with a foil facer that can be left exposed where codes permit.

Rated 5 based on 1 product reviews

Johns Manville Insul-SHIELD® is a series of flexible, semi-rigid or rigid thermal and acoustical fiberglass insulating boards for custom curtainwall applications. Insul-SHIELD is fire-resistant and noncombustible, available faced and unfaced, and designed to be used in new and retrofit construction, metal panel buildings and in general construction.

Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ Kraft-faced thermal and acoustical insulation offers R-Values up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Kraft-faced insulation is ideal for moisture control in exterior walls, reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood-framed, engineered wood and steel frame construction applications, including new construction and retrofit.

Rated 5 based on 1 product reviews

Johns Manville Panel Deck FSK-25 Formaldehyde-free™ thermal and acoustical insulation is available in R-Values up to R-30 and combines fire resistance with an excellent vapor retarder. Panel Deck FSK-25 insulation is offered in precut batts with extra-wide tabs for modular roof deck applications and other speciality commercial applications. This product is designed with a foil facer that can be left exposed where codes permit.

Rated 5 based on 1 product reviews

Johns Manville Spider® Plus Formaldehyde-free™ blow-in fiberglass insulation uses interlocking fiber technology to fill all gaps and voids quickly with no adhesive or netting for a faster installation. Spider Plus provides complete coverage, with no shrinking or settling, resulting in superior thermal performance and sound control. Designed for use in wood- and metal-frame construction, engineered- wood construction and manufactured homes.

Rated 5 based on 1 product reviews

Johns Manville Formaldehyde-free™ Unfaced thermal and acoustical insulation offers R-Values of up to R-49, and is offered in precut batts to fit standard wall cavities or rolls for custom installation in any size cavity. Unfaced insulation reduces sound transmission through walls, ceilings and floors, and can be used in a variety of wood frame, engineered wood and steel frame construction applications, including new construction and retrofit. 

Rated 5 based on 1 product reviews