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  1. Showing 1 - 36 out of 164 results for "what is an r value in insulation"
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      Owens Corning R- 49 Attic Faced Fiberglass Batt Insulation 32-Sq Ft ( 16-In W X 48-In L) | BF92
      4.7
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      34
      4.7
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      Owens Corning R- 49 Attic Faced Fi…
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      Lowe's
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      Johns Manville R- 30 Attic Kraft Faced Fiberglass Batt Insulation 58.66-Sq Ft ( 16-In W X 48-In L) | K1242
      4.6
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      69
      4.6
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      Johns Manville R- 30 Attic Kraft Fac…
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      Lowe's
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      R-30 Faced Fiberglass Insulation Batt 24 in. X 48 in. (1 Bag)
      4.5
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      67
      4.5
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      R-30 Faced Fiberglass Insulation B…
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      Home Depot
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      Owens Corning R- 30 Attic Kraft Faced Fiberglass Batt Insulation 58.67-Sq Ft ( 16.0-In W X 48.0-In L) | ME24
      4.5
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      67
      4.5
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      Owens Corning R- 30 Attic Kraft Fa…
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      Lowe's
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      Certainteed 87.19 Sq. Ft. 6-1/4 X 15 X 93-Inch R19 Kraft Batt Fiberglass Insulation
      Certainteed 87.19 Sq. Ft. 6-1/4 X 1…
      A
      Amazon.com
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      Owens Corning R- 30 Attic Unfaced Fiberglass Roll Insulation 31.25-Sq Ft ( 15-In W X 25-Ft L ) Individual Pack | RU70
      4.6
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      117
      4.6
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      Owens Corning R- 30 Attic Unfaced …
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      Lowe's
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      4.6
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      68
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      Owens Corning R- 21 Wall Kraft Fa…
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      Lowe's
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      4.3
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      13
      4.3
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      JOHNS MANVILLE INTL INC R38 …
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      DkHardware.com
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      4.4
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      84
      4.4
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      Johns Manville R- 30.0 Attic Unface…
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      Lowe's
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      Knauf R-38 Unfaced Fiberglass Insu…
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      DkHardware.com
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      4.7
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      88
      4.7
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      Owens Corning R- 15.0 Wall Kraft F…
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      Lowe's
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      Owens Corning R- 11 Wall 237.67-…
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      Lowe's
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      4.4
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      65
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      Knauf R-19 Unfaced Fiberglass Insu…
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      DkHardware.com
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      4.7
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      Owens Corning R- 13 Wall Kraft Fa…
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      Lowe's
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      4.3
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      9
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      Johns Manville 100272 23 X 93 in. …
      W
      Walmart
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      4.6
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      17
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      R-15 Unfaced Fiberglass Insulation …
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      Home Depot
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      Owens Corning R-11 Wall 237.67-S…
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      Lowe's
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      4.5
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      61
      4.5
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      R19 Kraft Faced 23 in. X 94 in. Prec…
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      Home Depot
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      4.6
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      63
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      Owens Corning R- 38.0 Attic Kraft F…
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      Lowe's
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      Owens Corning R-11 Wall Kraft Fac…
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      Lowe's
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      4.6
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      109
      4.6
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      R13 Kraft Faced 23 in. X 93 in. Prec…
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      Home Depot
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      4.5
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      53
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      Knauf R-21 Kraft Faced Fiberglass I…
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      DkHardware.com
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      4.4
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      85
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      Knauf Insulation KR46TAK Kraft Fa…
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      DkHardware.com
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      Owens Corning R-6 Fiberglass Insul…
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      DkHardware.com
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      Knauf R-11 Kraft Faced Fiberglass I…
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      DkHardware.com
    26. Good Deal
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      4.9
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      34
      4.9
      34 ratings
      Johns Manville R- 15 Wall Kraft Fac…
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      Lowe's
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      4.5
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      56
      4.5
      56 ratings
      R30 Unfaced 15 in. X 22 ft. Fibergla…
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      Home Depot
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      4.3
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      80
      4.3
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      Greenfiber Sanctuary Series Blowin …
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      Zoro.com
    29. Good Deal
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      4.4
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      34
      4.4
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      Johns Manville R- 21 Wall Kraft Fac…
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      Lowe's
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      4.4
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      73
      4.4
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      JOHNS MANVILLE INTL INC R13 K…
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      DkHardware.com
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      Johns Manville R-25 Unfaced Fiber…
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      NPCRetro
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      4.4
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      27
      4.4
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      Owens Corning R- 19.0 Wall Unface…
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      Lowe's
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      Owens Corning R- 15 Wall 87.5-Sq …
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      Lowe's
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      4.6
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      74
      4.6
      74 ratings
      R30 Kraft Faced 24 in. X 48 in. Prec…
      H
      Home Depot
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      4.5
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      154
      4.5
      154 ratings
      R- 15 Faced Fiberglass Insulation R…
      H
      Home Depot
      delivery truckFree shipping
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      Owens Corning Insulation Eco Touc…
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      DkHardware.com
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