Top and bottom plate made from 3 1/2" Flex-C Plate 

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 .024" 

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: 1 1/2" x 3 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 
•  For complete technical information, please download the cutsheet.