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CHANNEL AND INTEGRAL STRAP:
ASTM A653 Commercial Quality (CQ), hot dipped galvanized steel, structural grade 33.
Standard protective coating equal or superior to ASTM A653 coating designation G-40 or A-40
The specifications for the strap are the same as the channel with 25 Ga. thickness.
Hint: Some installers prefer screwing through the overlapping bottom plates to secure the curve.
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