Roof Pitch Cut Guide

Magnum Shear Roof Pitch Cut Guide
SHEAR SIZE SHEAR SIZE Custom Only
BOARD WIDTH 9" 13" 20" 26" 30" 40" 48" 60"
4" 7/12 5/12 5/12 4/12 4/12 4/12 4/12 4/12
6" 11/12 7/12 5/12 4/12 4/12 4/12 4/12 4/12
8" - 10/12 6/12 5/12 4/12 4/12 4/12 4/12
10" - - 8/12 6/12 5/12 4/12 4/12 4/12
12" - - 10/12 7/12 6/12 5/12 4/12 4/12
14" - - 12/12 8/12 7/12 5/12 4/12 4/12
18" - - - 12/12 10/12 7/12 6/12 4/12
EZ Shear
Roof Pitch Cut Guide
SHEAR SIZE
BOARD WIDTH 9" 13" 20" 26"
4" 8/12 5/12 4/12 4/12
6" - 8/12 5/12 4/12
8" - 11/12 6/12 5/12
10" - - 8/12 6/12
12" - - 10/12 7/12
14" - - - 9/12
18" - - - -

How long does your shear need to be?

Shear length calculator inputs
Enter the vertical rise measurement (must be greater than 0)
Enter the horizontal run measurement (must be greater than 0)
Enter the width of your planks (must be greater than 0)

Enter your measurements and click Calculate to determine the required shear length.