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Manufactured Housing
FSK-25 Batts


IMÌåÓý Formaldehyde-freeâ„¢ 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.

Note: Color of product may differ based on the manufacturing location.
Advantages
Thermally Efficient: Effective resistance to heat transfer, with R-values up to R-30.
Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
Fire-Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less. Can be left exposed where building codes permit.
Resilient Inorganic Glass: No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.
Superior Performance: Stable bonded glass fibers will not slump, settle or break down during normal applications.
ASTM Standards | ASTM C665 | Type III, Class A, Category I |
Flame Spread | ASTM E84 | ≤ 25 |
Smoke Development | ASTM E84 | ≤ 50 |
Water Vapor Permeance Facing | ASTM E96 | 0.05 Perms (3 ng/Pa-s-m2) |
Water Vapor Sorption | ASTM C1104 | 5% or less by weight |
Odor Emission | ASTM C1304 | Pass |
Corrosiveness | ASTM 665 | Pass |
Fungi Resistance | ASTM C1388 | Pass |
JM Overview Video
JM Fiberglass Video
Insulating Your Crawl Space Video
Installating in Your Attic Video
Insulating Around Objects Video
Insulating Floors or Ceilings Video
Installing Wall IMÌåÓý Video
Kraft Faced Fiberglass


IMÌåÓý Formaldehyde-freeâ„¢ 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.

Note: Color of product may differ based on the manufacturing location.
Advantages
Thermally Efficient: Effective resistance to heat transfer, with R-values up to R-49.
Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
Resilient Inorganic Glass: No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.
Superior Performance: Stable bonded glass fibers will not slump within the wall cavity, settle or break down during normal applications.
ASTM Standards | ASTM C665 | Type II, Class C, Category 1 |
Water Vapor Permeance Facing | ASTM E96 | 1.0 Perms (57 ng/Pa-s-m2) |
Water Vapor Sorption | ASTM C1104 | 5% or less by weight |
Odor Emission | ASTM C1304 | Pass |
Corrosiveness | ASTM 665 | Pass |
Fungi Resistance | ASTM C1388 | Pass |
Data Sheet
Kraft Faced Fiberglass Data Sheet
SDS
Kraft Faced Fiberglass SDS
Kraft Faced Fiberglass SDS (ES)
Certifications and Specifications
Fiberglass
Fiberglass Batts EDP
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓýÌýGREENGUARD Certification
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓýÌýGREENGUARD Gold Certification
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓý Claim Validation
Installation Instructions
Fiberglass Installation Instructions
Fiberglass Installation InstructionsÌý(ES)
Literature
Warranties
JM Fiberglass Video
JM Overview Video
Insulating Your Crawl Space Video
Installating in Your Attic Video
Insulating Around Objects Video
Insulating Floors or Ceilings Video
Installing Wall IMÌåÓý Video
Unfaced Fiberglass


IMÌåÓý Formaldehyde-freeâ„¢ 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.Ìý

Advantages
Thermally Efficient: Effective resistance to heat transfer, with R-values up to R-49.
Formaldehyde-free: Will not off-gas formaldehyde in the indoor environment.
Sound Control: Reduces sound transmission through exterior and interior walls, floor and ceiling assemblies.
Fire-Resistant: Flame Spread of 25 or less and Smoke Developed of 50 or less.
Resilient Inorganic Glass: No rotting, mildew or deterioration. Also noncorrosive to pipes, wiring and metal studs.
Superior Performance: Stable bonded glass fibers will not slump within the wall cavity, settle or break down during normal applications.
ASTM Standards | ASTM C665 | Type I |
Flame Spread | ASTM E84 | ≤ 25 |
Smoke Development | ASTM E84 | ≤ 50 |
Water Vapor Sorption | ASTM C1104 | 5% or less by weight |
Odor Emission | ASTM C1304 | Pass |
Corrosiveness | ASTM 665 | Pass |
Fungi Resistance | ASTM C1388 | Pass |
Combustion Characteristics | ASTM E136 | Pass |
Installation Instructions
Fiberglass Installation Instructions
Fiberglass Installation InstructionsÌý(ES)
Literature
STC Rating Documents
Acoustical Assemblies STC Rating Reference Guide
Certifications and Specifications
Fiberglass
Fiberglass Batts EPD
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓýÌýGREENGUARD Certification
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓýÌýGREENGUARD Gold Certification
Formaldehyde-freeâ„¢ Fiberglass IMÌåÓý Claim Validation
JM Fiberglass Video
JM Overview Video
Insulating Your Crawl Space Video
Installating in Your Attic Video
Insulating Around Objects Video
Insulating Floors or Ceilings Video
Installing Wall IMÌåÓý Video