Internet #206116298

Model # K1242

Store SKU #1001404760

0031979110407

R-30 Kraft Faced Fiberglass Insulation Batt 16 in. x 48 in.

  • Easy to cut, split and install
  • Greenguard GOLD certified & SCS Certified to be formaldehyde free
  • Offers exceptional thermal and sound control performance
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Frequently Bought Together

Frequently Bought Together

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Product Overview

  • Easy to cut, split and install
  • Greenguard GOLD certified & SCS Certified to be formaldehyde free
  • Offers exceptional thermal and sound control performance
R-30 Kraft-faced insulation is formaldehyde free fiber glass insulation protected on one side with moisture resistant kraft facing. R-30 Kraft-faced batts come in pre-cut 48 in. lengths for easy installation in 16 in., 2 in. x 10 in. attics and ceilings. One Bag covers 58.67 sq. ft.
  • For use in wood-framed attics and ceilings
  • Batts are precut for use in standard 16 in. on-center stud spacing
  • Facing provides built-in vapor retarder for moisture control
  • Improves energy efficiency and provides sound control
  • JM is a partner of the seal and insulate with ENERGY STAR program


  • Test Item

  • Click here to learn more about Eco Options and Energy Efficiency

Product Overview

  • Easy to cut, split and install
  • Greenguard GOLD certified & SCS Certified to be formaldehyde free
  • Offers exceptional thermal and sound control performance
Model #: K1242
Sku #: 1001404760
Internet #: 206116298

R-30 Kraft-faced insulation is formaldehyde free fiber glass insulation protected on one side with moisture resistant kraft facing. R-30 Kraft-faced batts come in pre-cut 48 in. lengths for easy installation in 16 in., 2 in. x 10 in. attics and ceilings. One Bag covers 58.67 sq. ft.

  • For use in wood-framed attics and ceilings
  • Batts are precut for use in standard 16 in. on-center stud spacing
  • Facing provides built-in vapor retarder for moisture control
  • Improves energy efficiency and provides sound control
  • JM is a partner of the seal and insulate with ENERGY STAR program


  • Test Item

  • Click here to learn more about Eco Options and Energy Efficiency

Info & Guides

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Compare Similar

Compare Similar Products
Brand ComfortTherm Johns Manville Johns Manville Johns Manville
Name R-13 ComfortTherm Poly Faced Fiberglass Insulation Roll 15 in. x 32 ft. R-30 Kraft Faced Fiberglass Insulation Batt 16 in. x 48 in. R-13 Kraft Faced Fiberglass Insulation Batt 23 in. x 93 in. R-30 Kraft Faced Fiberglass Insulation Batt 24 in. x 48 in.
Price
$29.00
$62.48
$90.48
$93.48
Ratings (45) (46) (48) (55)
Insulation Location 2x4 Wall Attic,Ceiling,Floor 2x4 Wall Attic,Ceiling,Floor
Roll or Batt Roll Batt Batt Batt
Product Length (ft.) 32 ft 4 ft 7.75 ft 4 ft
Faced or Unfaced Faced Faced Faced Faced
Product Thickness (in.) 3.5 in 10.25 in 3.5 in 10.25 in
Coverage Area (sq. ft.) 40 ft² 58.66 163.39 88 ft²
View Product View Product View Product View Product

Specifications

Dimensions

Coverage Area (sq. ft.)
58.66
Product Length (ft.)
4 ft
Product Thickness (in.)
10.25 in
Product Width (in.)
16

Details

Bag Size
4.17 ft. x 16.5 in. x 19.5 in.
Batt/Roll Size
4 ft. x 10.25 in. x 16 in.
Compatible Install Surface
Cement,Concrete,Existing Drywall,Existing Insulation,Fiberglass,Meal,PVC/CPVC Pipes,Pex Pipes,Plywood,Tile Flooring,Wood
Coverage Area per Bag (sq. ft.)
58.66
Faced or Unfaced
Faced
Insulation Features
Formaldehyde Free,Friction Fit,Soundproofing Insulation,Vapor Retardant
Insulation Location
Attic,Ceiling,Floor
Insulation R-Value
R30
Insulation Type
Fiberglass Insulation
Number of Bags
1
Pieces Per Bag
11
Pieces per Pallet
4
Product Weight (lb.)
25.645lb
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
N/A

Specifications

Dimensions

Coverage Area (sq. ft.)
58.66
Product Length (ft.)
4 ft
Product Thickness (in.)
10.25 in
Product Width (in.)
16

Details

Bag Size
4.17 ft. x 16.5 in. x 19.5 in.
Batt/Roll Size
4 ft. x 10.25 in. x 16 in.
Compatible Install Surface
Cement,Concrete,Existing Drywall,Existing Insulation,Fiberglass,Meal,PVC/CPVC Pipes,Pex Pipes,Plywood,Tile Flooring,Wood
Coverage Area per Bag (sq. ft.)
58.66
Faced or Unfaced
Faced
Insulation Features
Formaldehyde Free,Friction Fit,Soundproofing Insulation,Vapor Retardant
Insulation Location
Attic,Ceiling,Floor
Insulation R-Value
R30
Insulation Type
Fiberglass Insulation
Number of Bags
1
Pieces Per Bag
11
Pieces per Pallet
4
Product Weight (lb.)
25.645lb
Roll or Batt
Batt

Warranty / Certifications

Warranty Information
N/A

Questions & Answers

I understand these are 10.25" thick, but could they be compressed in a 2"x4" framed wall? If yes,...

I understand these are 10.25" thick, but could they be compressed in a 2"x4" framed wall? If yes, would I have to secure the compressed insulation any special way in order to close up the wall with sheet rock?
Asked by: DIYer
They could but would be fairly tight inside the wall, which may be your intention. You’d need to compress them into the cavity by hand or use a flat board with a handle for easier compression. I got 4 pallets of batts for my under floor insulation project and they varied in thickness from 7” to about 10” so that would only make your project easier. Also when compressed the R value will drop and not be 30. Sound deadening will be very good. You will likely need to be prepared to contain some batts with wire retention wires or similar if you want zero insulation trapped between the sheet rock and 2x4 studs but I’m not sure why having some trapped would be a problem.
Answered by: Adman
Date published: 2019-07-23

Is this product good for an Attic in Southern California?

Is this product good for an Attic in Southern California?
Asked by: BTSD
Hello BTSD, Thank you for your interest in Johns Manville's R-30 fiberglass insulation. The R-30 kraft faced product is commonly used in attics in Southern California as well the rest of the United States. Best regards, Doug Fast
Answered by: JohnsManvilleTeam
Date published: 2019-03-21

Why does the product I have look and feel different? Mine is bleach white and puffy.

Why does the product I have look and feel different? Mine is bleach white and puffy.
Asked by: DanielDennison
It's a different color but with it being already cut in 4ft pieces and faced(the paper on one side) it's easy to cut and keep together. I understand we are all use to the pink 30 inch for attic. Get which ever fits your budget. For my project I needed 3 packs.
Answered by: Hannah
Date published: 2019-10-15

what is the density as the building dept. document is asking the density: lb/ft?

what is the density as the building dept. document is asking the density: lb/ft?
Asked by: DC
For R-30, approximate density is 0.9 lb/ft3. Density varies depending on R-value, so if you need values for other, please contact our technical support at 1-800-654-3103.
Answered by: JohnsManvilleTeam
Date published: 2019-10-04
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