Flex-C Header 2×4”or 2×6”
2X4” Flex-C Header:  Top and bottom plate made from 3 1/2″ Flex-C Plate
2×6” Flex-C Header:  Top and bottom plate made from 5 1/2″ Flex-C Plate
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Channel:
- Galvanized – 20 Ga. Steel Sheet Track: ASTM A653, Galvanized Steel
 - Standard protective coating equal or superior to ASTM A653 A 40.
 
Slidable Strap:
- Galvanized Sliding Steel Strap(for all headers): ASTM A653, Galvanized Steel Strapping
 - Standard protective coating equal or superior to ASTM A653 G60 or A60.
 - Dimensions: .750″ x .023″
 
Slidable Sheet Metal:
- Galvanized sheet metal ASTM 653
 - Standard protective coating equal or superior to G60
 - 16 gauge
 
Wood Studs Residential Version:
- # 2 yellow pine
 - Dimensions:
 - 2X4” Flex-C Header: 1 1/2″ x 3 1/2″
 - 2×6” Flex-C Header: 1 1/2″ x 5 1/2″
 
Fixing Radius Screws:
- #8 1 1/4″ modified truss self drill ASTM C954-93 with a coating meeting or exceeding ASTM A641-92