Install Manual
ADDENDUM
Installation Instruction for Metal Roofing
18
Installation on a Metal Roofing
1. Requirement
・ Applicable to maximum 20 gage metal decking.
・ The roof should have sheathing (deck) board and the metal roofing
should be flat and flush against the sheathing board at least 4 1/4
inch (108mm) by 4 3/4 inch (120mm) area at the bracket mounting
location. The Roof Tech P.E. Letters are created for a minimum 7/16”
OSB with 2x4” rafters 24 in o.c.