Metal Building Insulation

Johns Manville is dedicated to bringing you the quality materials and expertise required for insulating metal buildings. With insulation products that carry assured R-values and post recovery, coupled with excellent customer service, we can help you deliver exceptional quality for projects ranging from small metal garages to large manufacturing spaces.

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Metal Building

Microlite L

Designed for lamination to a wide range of custom vapor-retarding facings, Johns Manville Microlite® L blanket insulation features a smooth, uniform laminating surface.

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Johns Manville Microlite^® L Formaldehyde-free™ blanket insulation offers an R-Value of up to R-30 and comes in unfaced rolls designed for lamination to a wide range of vapor-retarding facings. Microlite L insulation provides excellent thermal and acoustical performance and can be used in new construction and retrofit applications in pre-engineered metal buildings.

Advantages

Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Thermally Efficient: Provides effective resistance to heat transfer with R-values up to R-30.
Sound Control: Reduces transmission of sound through roofs and walls of metal buildings.
Fire Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less.
Durable Inorganic Glass: Will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs.
Superior Performance: Bonded glass fibers are dimensionally stable and will not slump within the wall cavity, settle or break down during normal applications.

Flame Spread	ASTM E84	≤ 25
Smoke Developed	ASTM E84	≤ 50
Noncombustible	ASTM E136	Pass
Sound Absorption	C423	Pass

Available Documents

PEBS Blanket

Ideal for new construction, retrofit applications and metal buildings, Johns Manville PEBS unfaced filler blanket is a resilient, unfaced fiberglass insulation that provides economical thermal performance.

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Data Sheet

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Johns Manville PEBS Unfaced Filler Blanket Formaldehyde-Free™ insulation offers an R-Value of up to R-49, with sound control and fire resistance for roofs and walls. PEBS is an economical, general-purpose fiberglass designed as filler material for use in both new construction and retrofits of pre-engineered metal buildings. It’s easy to cut with a utility knife and the blanket can be friction-fit easily in standard pre-engineered metal framing.

Advantages

Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Thermally Efficient: Provides effective resistance to heat transfer with R-values up to R-49.
Sound Control: Reduces transmission of sound through exterior and interior walls and floor or ceiling assemblies.
Fire Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less.
Durable Inorganic Glass: Will not rot, mildew or deteriorate and is noncorrosive to pipes, wiring and metal studs.
Superior Performance: Bonded glass fibers are dimensionally stable and will not slump within the wall cavity, settle or break down during normal applications.