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JM R-21, 5-1/2-in X 15-1/4-in X 105-in Kraft Faced Fiberglass Batt

JM R-21, 5-1/2-in X 15-1/4-in X 105-in Kraft Faced Fiberglass Batt
  • Manufacturer: Johns Manville
  • Brand: JM
  • Item ID: 3BEFJMR21TK00825105
  • MPN: 90016837
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JM Formaldehyde-Free™ Kraft faced thermal and acoustical insulation offers R-values up to R-49 and is offered in pre-cut 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.

JM Insulation Batt, 5-1/2 in Thickness, 15-1/4 in Width, 105 in Length, Kraft Facing, R-Value: R21, Fiberglass, 77.83 sq-ft Coverage Area, Resists: Fungi, Thermal

Coverage Area      :      77.83 sq-ft
Facing Type      :      Kraft
Length      :      105 in
Material      :      Fiberglass
R-Value      :      R21
Resists      :      Fungi, Thermal
Thickness      :      5-1/2 in
Width      :      15-1/4 in
  • 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 non-corrosive 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
  • pdfInstruction/Installation Manual https://assets.unilogcorp.com/267/ITEM/DOC/JM_R21K_15_25105_JM_2.pdf
  • pdfProduct Data Sheet https://www.jm.com/content/dam/jm/global/en/building-insulation/Files/BI%20Data%20Sheets/Resi%20and%20Commercial/BID-0144-JM-Unfaced-Kraft-and-Foil-Faced-Fiberglass-DS.pdf
  • pdfSDS https://www.jm.com/content/dam/jm/global/en/MSDS/200000002059_US_EN.pdf
  • linkVideo Link https://youtu.be/ZZJAww4Dh2E
  • pdfWarranty Information https://assets.unilogcorp.com/267/ITEM/DOC/JM_R21K_15_25105_JM_1.pdf

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