Product Technical Guide for DBV Facade
DBV Rainscreen Facade Product Technical Guide
143
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R-VALUE TABLES
Fox VT Metal Studs (Insulated) 2" (50.8mm)
Brackets: Vertical thermal broken brackets (medium size)
Base Material: Metal studs (insulated)
Horizontal Stud
to Stud Spacing
Exterior
Insulation
Thickness*
in. (cm)
Vertical Bracket to Bracket Spacing
24" Vertical (609.6mm) 30" Vertical (762mm) 36" Vertical (914.4mm) 42" Vertical (1066.8mm) 48" Vertical (1219.2mm)
Effective
U-Value
BTU/h*ft²*°F
(W/m²K)
Effective
R-Value
h*ft²*°F/
BTU
(m²K/W)
Effective
U-Value
BTU/h*ft²*°F
(W/m²K)
Effective
R-Value
h*ft²*°F/
BTU
(m²K/W)
Effective
U-Value
BTU/h*ft²*°F
(W/m²K)
Effective
R-Value
h*ft²*°F/
BTU
(m²K/W)
Effective
U-Value
BTU/h*ft²*°F
(W/m²K)
Effective
R-Value
h*ft²*°F/
BTU
(m²K/W)
Effective
U-Value
BTU/h*ft²*°F
(W/m²K)
Effective
R-Value
h*ft²*°F/
BTU
(m²K/W)
16" (406.4mm)
0.38 pcs/ft² (bracket)
4.04 pcs/m² (bracket)
0.3 pcs/ft² (bracket)
3.28 pcs/m² (bracket)
0.26 pcs/ft² (bracket)
2.78 pcs/m² (bracket)
0.23 pcs/ft² (bracket)
2.52 pcs/m² (bracket)
0.21 pcs/ft² (bracket)
2.28 pcs/m² (bracket)
0.75 ft/ft² (rails)
2.46 m/m² (rails)
4 (10.2)
0.04
(0.227)
25.059
(4.412)
0.04
(0.224)
25.313
(4.456)
0.039
(0.223)
25.484
(4.487)
0.039
(0.222)
25. 574
(4.502)
0.039
(0.221)
25.656
(4.517 )
5 (12.7)
0.034
(0.192)
29.645
(5.219)
0.033
(0.19)
29.881
(5.261)
0.033
(0.189)
30.04
(5.289)
0.033
(0.189)
30.123
(5.303)
0.033
(0.188)
30.199
(5.317)
6 (15.2)
0.029
(0.167 )
33.976
(5.982)
0.029
(0.166 )
34.24
(6.028)
0.029
(0.165 )
34.417
(6.059)
0.029
(0.165 )
34.51
(6.076)
0.029
(0.164)
34.594
(6.091)
24" (609.6mm)
0.25 pcs/ft² (bracket)
2.69 pcs/m² (bracket)
0.2 pcs/ft² (bracket)
2.19 pcs/m² (bracket)
0.17 pcs/ft² (bracket)
1.85 pcs/m² (bracket)
0.16 pcs/ft² (bracket)
1.68 pcs/m² (bracket)
0.14 pcs/ft² (bracket)
1.52 pcs/m² (bracket)
0.5 ft/ft² (rails)
1.64 m/m² (rails)
4 (10.2)
0.039
(0.22)
25.789
(4.54)
0.039
(0.219)
25.968
(4.572)
0.038
(0.218)
26.087
(4.593)
0.038
(0.217)
26.15
(4.604)
0.038
(0.217)
26.207
(4.614)
5 (12.7)
0.033
(0.188)
30.278
(5.331)
0.033
(0.187)
30.442
(5.359)
0.033
(0.186)
30.551
(5.379)
0.033
(0.186)
30.609
(5.389)
0.033
(0.185 )
30.661
(5.398)
6 (15.2)
0.029
(0.164)
34.585
(6.089)
0.029
(0.163)
34.767
(6.121)
0.029
(0.163)
34.888
(6.142)
0.029
(0.163)
34.952
(6.154)
0.029
(0.162)
35.01
(6.164)
32" (812.8mm)
0.19 pcs/ft² (bracket)
2.02 pcs/m² (bracket)
0.15 pcs/ft² (bracket)
1.64 pcs/m² (bracket)
0.13 pcs/ft² (bracket)
1.39 pcs/m² (bracket)
0.12 pcs/ft² (bracket)
1.26 pcs/m² (bracket)
0.11 pcs/ft² (bracket)
1.14 pcs/m² (bracket)
0.38 ft/ft² (rails)
1.23 m/m² (rails)
4 (10.2)
0.038
(0.217)
26.17
(4.607)
0.038
(0.216)
26.308
(4.632)
0.038
(0.215)
26.4
(4.648)
0.038
(0.215)
26.448
(4.656)
0.038
(0.214)
26.492
(4.664)
5 (12.7)
0.033
(0.186)
30.605
(5.388)
0.033
(0.185 )
30.73
(5.41)
0.032
(0.184)
30.814
(5.425)
0.032
(0.184)
30.857
(5.433)
0.032
(0.184)
30.897
(5.44)
6 (15.2)
0.029
(0.163)
34.898
(6.144)
0.029
(0.162)
35.036
(6.168)
0.028
(0.162)
35.129
(6.185)
0.028
(0.161)
35.177
(6.193)
0.028
(0.161)
35.221
(6.201)
40" (1016mm)
0.15 pcs/ft² (bracket)
1.61 pcs/m² (bracket)
0.12 pcs/ft² (bracket)
1.31 pcs/m² (bracket)
0.1 pcs/ft² (bracket)
1.11 pcs/m² (bracket)
0.09 pcs/ft² (bracket)
1.01 pcs/m² (bracket)
0.08 pcs/ft² (bracket)
0.91 pcs/m² (bracket)
0.3 ft/ft² (rails)
0.98 m/m² (rails)
4 (10.2)
0.038
(0.215)
26.405
(4.649)
0.038
(0.214)
26.516
(4.668)
0.038
(0.214)
26.591
(4.682)
0.038
(0.213)
26.631
(4.688)
0.038
(0.213)
26.666
(4.695)
5 (12.7)
0.032
(0.184)
30.804
(5.423)
0.032
(0.184)
30.905
(5.441)
0.032
(0.183)
30.973
(5.453)
0.032
(0.183)
31.008
(5.459)
0.032
(0.183)
31.04
(5.465)
6 (15.2)
0.028
(0.162)
35.088
(6.178)
0.028
(0.161)
35.2
(6.197)
0.028
(0.161)
35.275
(6.21)
0.028
(0.161)
35.314
(6.217)
0.028
(0.161)
35.349
(6.223)
*Between insulation thicknesses the values can be interpolated