Company
Roof Mount Estimator - Engineering
Array Square Footage (square feet)
Module Length Perpendicular To Rails (inches)
Rails Per Module
Snow Load (psf)
Roof Angle
0 to 7 degrees
> 7 to 27 degrees
> 27 to 45 degrees
>45 degrees (Wall)
Wind Exposure
B
C
D
NA
Basic Wind Speed
85
90
100
110
120
130
140
150
170
Importance Factor
1
1.15
Building Height
15
20
25
30
35
40
45
50
55
60
Roof Zone
1
2
3
4
5
Roof Overhang
