|
|
R-Value Table: Wine Cellar Construction Guide
R-Value Table: Wine Cellar Construction Guide
When building a wine cellar, use the following table to assist in calculating the R-Value for various construction materials that
you may use in your wine cellar. If you need assistance understanding the charts, don't hesitate to
contact us.
Materials
| |
R-Value
|
| |
Per Inch
| |
Thickness
|
Insulation
| |
| |
|
|
Fiberglass Batt
| |
3.15 - 4.30
| |
|
|
Fiberglass Blown (attic)
| |
2.20 - 4.30
| |
|
|
Fiberglass Blown (wall)
| |
3.70 - 4.30
| |
|
|
Rock Wool Batt
| |
3.14 - 4.00
| |
|
|
Rock Wool Blown (attic)
| |
3.10 - 4.00
| |
|
|
Rock Wool Blown (wall)
| |
3.10 - 4.00
| |
|
|
Cellulose Blown (attic)
| |
3.60 - 3.70
| |
|
|
Cellulose Blown (wall)
| |
3.80 - 3.90
| |
|
|
Vermiculite
| |
2.13
| |
|
|
Rigid Fiberglass
| |
4.00
| |
|
|
Expanded Polystyrene (Beadboard)
| |
4.00
| |
|
|
Extruded Polystyrene
| |
5.00
| |
|
|
Polyurethane (formed in place)
| |
6.25
| |
|
|
Polyurethane (foil-faced)
| |
7.20
| |
|
Construction
| |
| |
|
|
Concrete Block 4"
| |
| |
0.80
|
|
Concrete Block 8"
| |
| |
1.11
|
|
Concrete Block 12"
| |
| |
1.28
|
|
Poured Concrete
| |
0.08
| |
|
|
Brick 4" common
| |
| |
0.80
|
|
Brick 4" face
| |
| |
0.44
|
|
Soft Wood Lumber
| |
1.25
| |
|
|
- 2" Nominal (1 1/2")
| |
| |
1.88
|
|
- 2x4 Nominal (3 1/2")
| |
| |
4.38
|
|
- 2x6 Nominal (5 1/2")
| |
| |
6.88
|
|
Cedar Logs & Lumber
| |
1.33
| |
|
Sheathing
| |
| |
|
|
1/4" Plywood
| |
| |
0.31
|
|
3/8" Plywood
| |
| |
0.47
|
|
1/2" Plywood
| |
| |
0.63
|
|
5/8" Plywood
| |
| |
0.77
|
|
3/4" Plywood
| |
| |
0.94
|
|
Fiberboard
| |
2.64
| |
|
|
Fiberglass
| |
4.00
| |
|
|
Extruded Polystyrene
| |
5.00
| |
|
|
Foil-Faced Polyisocyanurate
| |
7.20
| |
|
Interior Finish
| |
| |
|
|
Gypsum Board (drywall 1/2")
| |
| |
0.45
|
|
Gypsum Board (drywall 5/8")
| |
| |
0.56
|
|
Paneling (3/8")
| |
| |
0.47
|
Glass
| |
| |
|
|
Single Pane
| |
| |
0.91
|
|
Single Pane with Storm
| |
| |
2.00
|
|
Double Pane
| |
| |
|
|
- 3/16" air space
| |
| |
1.61
|
|
- 1/4" air space
| |
| |
1.69
|
|
- 1/2" air space
| |
| |
2.04
|
|
- 3/4" air space
| |
| |
2.38
|
|
- 1/2" with Low-E
| |
| |
3.13
|
|
Triple Pane
| |
| |
|
| - 1/4" air space
| |
| |
2.56
|
| - 1/2" air space
| |
| |
3.23
|
Doors
| |
| |
|
|
Wood Hollow Core Flush (1 3/4")
| |
| |
2.17
|
|
Solid Core Flush (1 3/4")
| |
| |
3.03
|
|
Metal (2" with urethane)
| |
| |
15.00
|
Table Source: ColoradoEnergy.org
|
|
|
|
