Factory Mutual
The list below shows the requirements for Factory Mutual approved roof systems. Only two standing seam roofs are approved at this time. These are Double-Lok and Super-Lok systems. All pricing must be done through the factory.
|
Panel Gauge |
Clip Type |
Purlin Min. Gauge |
Purlin Max. Spacing |
FM Rating |
DOUBLE-LOK® |
||||
|
24 |
Low Floating |
16 |
5'-0" |
I-60 |
|
24 |
Low Articulating |
16 |
4'-0" |
I-60 |
|
22 |
Low Floating |
16 |
5'-0" |
I-75 |
|
22 |
Low Articulating |
16 |
4'-0" |
I-75 |
|
22 |
Low Floating |
16 |
4'-0" |
I-90 |
|
22 |
Low Articulating |
16 |
4'-0" |
I-90 |
|
22 |
Low Floating |
16 |
3'-6" |
I-105 |
|
22 |
Low Articulating |
16 |
4'-0" |
I-105 |
SUPER-LOK® |
||||
|
24 |
Low Floating |
16 |
4'-0" |
I-90 |
|
22 |
Low Floating |
16 |
5'-0" |
I-105 |
|
22 |
Low Floating |
16 |
4'-0" |
I-135 |