Galvanized hanger bolt is suitable with wide range of roofing. It is assembled form few parts such as self-tapping screw , mounting plate, two nuts for adjusting the distance between roof and the mounting plate and last but not least a seal to prevent any moisture penetration through roofing.
The screw itself must be screwd into wooden rafter (not purlins). The mounting plate has dimensions 85x30x5 mm.




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