Resources
Products
Manufactured Housing
Johns Manville provides the outstanding product consistency and efficient construction process required for manufactured housing projects. It's part of our goal — to make your job easier and help build your reputation as an industry leader by delivering every time.
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Manufactured Housing
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.
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 |
| VOC Emissions | ASTM ES Section 011350 | 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
Installating in Your Attic Video
Installing Wall Insulation Video
GoBoard? Structural Sheathing is an ultra-lightweight yet durable, waterproof alterna-tive to heavy sheathing products. Made of a high density rigid polyisocyanurate core, and coated glass fiber facer, it combines the weather barrier and sheathing functions, allowing completion of the building envelope to be faster and more cost effective.
USE
GoBoard? Structural Sheathing can be used in a wide variety of residential and commercial constructions. It is especially well-suited to off-site construction including modular and panelization build methods.
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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.
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 |
| VOC Emissions | ASTM ES Section 011350 | Pass |
DATA SHEET
Kraft Faced Fiberglass Data Sheet
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SDS
Kraft Faced Fiberglass SDS
Kraft Faced Fiberglass SDS (ES)
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Specifications
INSTALLATION INSTRUCTIONS
Fiberglass Installation Instructions
Fiberglass Installation Instructions?(ES)
High Performance Unvented Attic: Install for Performance
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LITERATURE
Product Selector Guide
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Warranties
Limited Warranty
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
Installating in Your Attic Video
Installing Wall Insulation Video
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.?
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 |
| VOC Emissions | ASTM ES Section 011350 | Pass |
| Combustion Characteristics | ASTM E136 | Pass |
Data Sheet
Unfaced Fiberglass Data Sheet
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SDS
Unfaced Fiberglass SDS
Unfaced Fiberglass SDS (ES)
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WARRANTIES
Limited Warranty
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Case Studies
Rice University
Castle Pines
INSTALLATION INSTRUCTIONS
Fiberglass Installation Instructions
Fiberglass Installation Instructions?(ES)
High Performance Unvented Attic: Install for Performance
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LITERATURE
Product Selector Guide
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STC Rating Documents
Acoustical Assemblies STC Rating Reference Guide
Specifications
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
Installating in Your Attic Video
Installing Wall Insulation Video