INSULATION

Choosing the right insulation, membranes and barriers are important for keeping weather, sound and moisture out and maintaining a dry, quiet and comfortable indoor environment. Our staff can help you compare R-value grades and features to select the right insulation for the room. 

Whether you’re renovating a single room, or specifying a large commercial project, Knowles Building Centre carries trusted, high-quality brands you can depend on. We deliver where and when you need it! Search our online catalog or request an estimate of your order.

Insulation

Our insulation choices include:

  • Fibreglass
  • Rock Fibre
  • Foam Board
  • Polystyrene Foam Insulation
  • Rigid
  • Wool

Stock Insulation

Special Order Insulation: If you don’t see it, ask for it – we can get it!

  • FIBREGLASS
  • INSULATION JM R1215 97.92 SF
    sku R1215JM
  • INSULATION JM R1223 150.13 SF
    sku R1223JM
  • INSULATION JM R2015 78.32 SF
    sku R2015JM
  • INSULATION JM R2023 120.11 SF
    sku R2023JM
  • INSULATION JM R24X15 38.52 SF
    sku R2415JM
  • INSULATION JM R2816 42.66 SF
    sku R2816JM
  • INSULATION R2824 X 8 64SF JM
    sku R2824JM
  • MISC
  • INSULATION SM 1"X 24"X96"
    sku 1SM
  • Hi-40 STYROFOAM 2"X2'X 8' B.E.
    sku HI-40
  • RIGID
  • STYROFOAM SM 1-1/2"X 2'X8' R7.5
    sku 112SM
  • STYROFOAM SM 2"X 2'X 8' R10
    sku 2SM
  • INSULATION ISO BOARD 1"X 4'X 8'
    sku RX48
  • INSULATION ISO BOARD 1.5"X4'X8'
    sku 112RX
  • CLADMATE 20 1"X4'X9'
    sku CM20
  • ATTIC HATCH R42 22 X 30
    sku 7109044
  • ROXUL
  • ROCKWOOL SAFE SOUND 59.7SF WOOD
    sku SS15
  • ROCKWOOL SAFE SOUND 64.0SF METAL
    sku SS16
  • COMFORT BATT R22x15.25" 39.8/BAG
    sku R2215R
  • COMFORT BATT R22X23 37.5/BAG
    sku R2223R
  • COMFORT BATT R14 X 15" 59.7/BAG
    sku R1415R
  • HOUSEWRAP
  • HOUSEWRAP 3' X 100'
    sku 4767653
  • HOUSEWRAP 9' X 100' ROLL
    sku TVK
  • HOUSEWRAP HOME SLICKER
    sku HS
  • POLYETHYLENE
  • 1"X4'X8' IKO ENER-AIR R6
    sku 327-20001
  • 1-1/2"X4'X8' IKO ENER-AIR R9
    sku 327-20004
  • 1"X4'X9' IKO ENER-AIR R6
    sku 327-20007
  • POLY VAPOUR BARRIER 6MI 20'X100'
    sku 84091381
  • POLY VAPOUR BARRIER 6MI 100"X60'
    sku 8409047
  • POLY VAPOUR BARRIER 6M 102"X176'
    sku 8409096
  • POLY VAPOUR BARRIER 6MI 10'X150'
    sku8 409112
  • POLY VAPOUR BARRIER 6MI 100"X60'
    sku 8409047
  • POLY VAPOUR BARRIER 6MI 1'X300'
    sku 8409252
  • POLY VAPOUR 6MI ULTRA 102"X118'
    sku 8409062
  • POLY VAPOUR 6MI ULTRA 10'X 100'
    sku 8409088
  • POLY CLEAR 2 MIL 8'4"X 60'
    sku 8408403
  • POLY CLEAR MED 100"X180'
    sku 8408569
  • POLY 120"W X 100'L
    sku 8408635
  • POLY CLEAR HEAVY 100"X60'
    sku 8409310
  • VINYL CLEAR 12G 54"X 75'
    sku 8333551
  • BUBBLE FOIL
  • BUBBLE FOIL 4'X 50'
    sku 6383236
  • BUBBLE FOIL 48" X 10'
    sku 6121065
  • FOIL DOUBLE BUBBLE 96"x 125'
    sku 299
  • FOIL DOUBLE BUBBLE 48" (LF)
    sku 500F
  • SILL GASKET 3-1/2" X 82
    sku 312SG
  • SILL PLATE GASKET 5.5" X 82' WH
    sku 512SG
  • TARPS
  • BLUE TARP 40 X 60
    sku 9347089
  • BROWN TARP 16 X 20
    sku 9572934
  • BLUE TARP 30 X 40
    sku 2689784
  • BLUE TARP 30' X 50''
    sku2526788
  • BLUE TARP 6 X 8 LIGHT DUTY
    sku 2558948
  • BLUE TARP 8 X 10 LIGHT DUTY
    sku 2571602
  • BLUE TARP 10 X 12 LIGHT DUTY
    sku 2617934
  • BLUE TARP 12 X 16 LIGHT DUTY
    sku 2633618
  • BLUE TARP 16 X 20 LIGHT DUTY
    sku 2633642
  • BLUE TARP 20 X 30 LIGHT DUTY
    sku 2684447
  • CLEAR TARP 30'X 50'
    sku 113283
  • CLEAR TARP POLY 40'X 60'
    sku 112644
  • BLUE TARP POLY 24'X 40'
    sku 2440
  • INSULATED TARP B12X20X 5/32"
    sku B12X20

Get your project started with a free estimate on your insulation needs.

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