Specification

Metal Roof Panel Estimating
FLAT PANEL LENGTH (L) x SLOPE FACTOR = SLOPED PANEL LENGTH (S)
14'-0" x 1.0541 (4:12 slope) = 14.7574' or 14'-9"
Ridge
Eave or Gutter
Rake
Roof Slope
12
4
28'-0"
14'-0"
28'-0"
14'-0"
SLOPE
SLOPE
FACTOR
HIP / VALLEY
MULTIPLIER
SLOPE
SLOPE
FACTOR
HIP / VALLEY
MULTIPLIER
1:12 1.0035 1.4167 7:12 1.1577 1.5298
2:12 1.0136 1.4240 8:12 1.2019 1.5635
3:12 1.0308 1.4362 9:12 1.2500 1.6008
4:12 1.0541 1.4530 10:12 1.3017 1.6415
5:12 1.0833 1.4743 11:12 1.3566 1.6853
6:12 1.1180 1.5000 12:12 1.4142 1.7320
S
L
(L) X (SLOPE FACTOR)= S
EAVE
PEAK
(L) X (HIP / VALLEY MULTIPLIER) = H
HIP OR VALLEY
L
H
Example #1 - Determining Sloped Panel Lengths
Example #2 - Determining Hip or Valley Length
Your building is 28’-0” wide with a 4:12 Roof Slope
To determine the sloped panel lengths for each side: