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Select the Right Insulation Product for Your Home
Insulating your home doesn't have to be daunting. The guides below break down how to insulate each area of your home and what materials are best so that you can make the right choices for your home.
Not ready to do it yourself? Visit our contractor locator to find an experienced insulation contractor in your area.
Attic Protector®


Attic Protector® blow-in fiberglass insulation fills those hard-to-reach cavities and corners in attics. With the help of a portable blowing machine – which can be rented from your local home improvement store – installation is easy and efficient. When this insulation is applied to the recommended thickness and specifications, your home will benefit from energy efficiency and minimal heat loss. Plus, our Attic Protector insulation won't settle, decay, or provide food for animals or microbes for the life of your home.
GREAT FOR:
Attics

R-values:
R-11–R-60
Thicknesses:
Up to 24.3 inches (R-60)
Coverage:
62 SQ. FT. per bag at R-30 (US)
Climate Pro Blow-In


Climate Pro® blow-in fiberglass insulation fills those hard-to-reach cavities and corners while offering more consistent coverage and less dust, resulting in a more comfortable, energy-efficient home. It offers R-values ranging from R-11 to R-70, and is quick for professionals to install. Our Climate Pro® insulation is also used with our Blow-in-Blanket System® (BIBS).
GREAT FOR:
- New construction
- Remodels
- Walls
- Attics
- Irregular spaces

Climate Pro® blow-in fiberglass insulation is available exclusively to professionals. If you're interested in having Climate Pro® insulation installed in your home, visit our contractor locator to find an experienced JM insulation contractor in your area.
Best Practices for Installing JM Climate Pro®
ComfortTherm


ComfortTherm® Formaldehyde-free™ fiberglass insulation is wrapped in plastic to reduce itch and dust during installation. It provides excellent temperature and noise control, and comes with a vapor-retarder or without a vapor-retarder for use in hot, humid climates. Plus, our ComfortTherm fiberglass insulation is available in precut batts for standard-sized wall cavities and in rolls that can be cut to fit any size cavity.
GREAT FOR:
- New construction
- Remodels
- Walls
- Floors
- Ceilings
- Basements
- Attics
- Crawlspaces
*Available for wood or steel stud framing.

R-Values:
- R-11 – R-30
Widths:
- Wood Stud (15" and 23") or Attics
- Steel Stud (16" and 24")
Lengths:
- Batts (48" and 93")
- Rolls (22' and 32')
Thicknesses:
- Various

*Availability varies by retailer.
Kraft-Faced Batts & Rolls


JM Kraft-faced Formaldehyde-free™ fiberglass insulation offers R-values ranging from R-11 to R-38, is ideal for moisture control in exterior walls and provides excellent temperature and noise control. Our Kraft-faced fiberglass insulation is available in pre-cut batts for standard-sized wall cavities and in rolls that can be cut to fit any size cavity.
GREAT FOR:
- New construction
- Remodels
- Walls
- Floors
- Ceilings
- Basements
- Attics
- Crawlspaces
*Available for wood or steel stud framing.

R-Values:
- R-11 – R-49
Widths:
- Wood Stud (15" and 23")
- Steel Stud (16" and 24")
Lengths:
- Batts (48", 93", 94", 96" and 105")
- Rolls (up to 70'6")
Thicknesses:
- Various

*Availability varies by retailer.
Unfaced Batts & Rolls


JM Unfaced Formaldehyde-free™ fiberglass insulation offers R-values ranging from R-11 to R-38, as well as effective thermal and noise control. Our Unfaced fiberglass insulation is available in pre-cut batts for standard-sized wall cavities and in rolls that can be cut to fit any size cavity.
GREAT FOR:
- New construction
- Remodels
- Walls
- Floors
- Ceilings
- Basements
- Attics
- Crawlspaces
*Available for wood or steel stud framing. May be used with a separate vapor retarder when moisture control is required.

R-Values:
- R-11 – R-49
Widths:
- Wood Stud (15" and 23")
- Steel Stud (16" and 24")
Lengths:
- Batts (48", 93", 96" and 105")
- Rolls (up to 40')
Thicknesses:
- Various

*Availability varies by retailer.
AP™ Foil


AP™ Foil-Faced Polyiso Foam Sheathing provides continuous insulation for maximum efficiency, as well as exceptional moisture, heat and air control. It features a reflective foil facer on one side and a nonreflective facer on the other.
GREAT FOR:
- Interior and exterior walls
- Ceilings
- Crawlspaces

R-Values:
R-2.7–R-28
Sizes:
48" x 96", 48" x 108" and 48" x 120"
Thicknesses:
.5"–4.5"
Facings:
Silver/Opaque
*Availability varies by retailer.
CI Max®


CI Max® is a high-efficiency sheathing designed for exposed interior applications. This product can be used in areas of your home where code allows it to be left with the facing exposed (e.g., unfinished basements).
GREAT FOR:
- Exposed interiors
- Masonry walls
- Below-grade basement walls

R-Values:
R-2.7–R-26
Size:
48" x 96"
Thicknesses:
.5"–4"
Facings:
Non-Printed White/ Printed Silver, Non-Printed Silver/Printed
Sound & Fire Block® Mineral Wool


Sound & Fire Block® mineral wool insulation helps delay the spread of fire between interior floors and rooms. Made from high-density, noncombustible materials and designed for maximum sound absorption, it also reduces noise transfer between interior walls, ceilings and floors.
GREAT FOR:
- Interior walls
- Floors
- Ceilings

Size:
- 15.25" x 47"
Thickness:
- 3"
Batts are precut for use in standard 8-foot walls with 16-inch on-center stud spacing.
TempControl® Mineral Wool


JM TempControl® Mineral Wool insulation is made from high-density, noncombustible fibers that helps delay the spread of fire in exterior walls, basements, and heated crawl spaces. It also delivers exceptional thermal performance for the life of your home to keep your family warm in the winter and cool in the summer while reducing your heating and cooling bills to save you money year- round.
GREAT FOR:
- Exterior walls
- Basements
- Heated crawlspaces

R-Values:
- R-15, R-23 and R-30
Sizes:
- 15.25" x 47"
- 23" x 47"
Thicknesses:
- 3.5", 5.5"
- 7.25"
*Availability varies by retailer.
JM Corbond III®


JM Corbond® III is a closed-cell spray foam that offers seamless air sealing and moisture control, as well as a high R-value per inch for greater design and construction flexibility. JM Corbond III closed-cell spray foam can be installed alone or combined with JM Formaldehyde-free™ fiberglass insulation as part of a hybrid system.
R-7.0 per inch
GREAT FOR:
- New construction
- Remodels
- Walls
- Floors
- Ceilings
- Basements
- Attics
- Crawlspaces

JM spray foam products are available exclusively to professionals. You can count on our network of contractors to get your spray foam installation done quickly and efficiently. If you are interested in getting spray foam installed in your home, visit our contractor locator to find an experienced JM insulation contractor in your area.
JM Corbond® Open-Cell Spray Foam


JM Corbond® Open-Cell spray foam is a lower-density, nonstructural foam that offers most of the thermal performance and installation benefits of closed-cell spray foam at a lower cost. It also expands up to 120 times its initial volume to seal all voids, gaps and crevices – providing an exceptional air and sound barrier as well as R-value.
R-3.8 per inch
GREAT FOR:
- Walls
- Floors
- Unvented and vented attics
- Ceilings

JM spray foam products are available exclusively to professionals. You can count on our network of contractors to get your spray foam installation done quickly and efficiently. If you are interested in getting spray foam installed in your home, visit our contractor locator to find an experienced JM insulation contractor in your area.
JM Corbond® Open-Cell Appendix X Spray Foam


JM Corbond® Open-Cell Appendix X Spray Foam is a lower-density, nonstructural foam that offers most of the thermal performance and installation benefits of closed-cell spray foam at a lower cost. It provides an exceptional air and sound barrier as well as R-value, and meets AC 377 NFPA 286 Appendix X requirements for application without an ignition barrier in attics and crawl spaces.
R-3.7 per inch
GREAT FOR:
- Walls
- Floors
- Unvented and vented attics
- Ceilings
- Crawlspaces

JM spray foam products are available exclusively to professionals. You can count on our network of contractors to get your spray foam installation done quickly and efficiently. If you are interested in getting spray foam installed in your home, visit our contractor locator to find an experienced JM insulation contractor in your area.
GoBoard Tile Backer


GoBoard® is the durable, ultra-lightweight, waterproof tile backer board from Johns Manville.
- Fast Installation: Complete shower tile projects in half the time or less. Install GoBoard with GoBoard Sealant, take a break and tile the same day. Grout the next day and the project is done*.
- Ultra-Lightweight: Even though it’s much lighter weight than cement and other heavy boards, GoBoard is engineered to be dependable, and it can be installed in residential and light commercial tile applications.
- Easy To Cut, Handle & Install: GoBoard can be quickly cut right where it’s installed with a basic utility knife—without crumbling or disintegrating. It’s also much easier to handle than cement and other heavy boards.
- Waterproof Built-In: GoBoard saves time and money because you seal only the board joints and fastener locations for a waterproof tile assembly**.
* A typical shower project, waterproof installation, following manufacturer's installation.
** Board joints and fastener locations require a waterproof sealant per GoBoard installation instructions.

GoBoard is available in the following thicknesses:
- ¼" for floors and countertops (3'x5' and 4'x8' sheets)
- ½" and ⅝" for walls, showers, ceilings and floors (⅝" in 4'x8' sheets)
- 1", 1½" and 2" for walls, benches, shelves, tub surrounds, vanities and countertops (4'x8' sheets)
*Availability varies by retailer.