Solar Hanger Bolt is one kind of fixings with mounting structure used to screw into steel purlins or wooden rafter on corrugated and trapezoidal roofs. The Solar Hanger Bolt is coming with three flange nuts and one UV resistant EPDM washer, the EPDM washer will crate a weatherproof seal when pushing against the roof sheet.

How to use Solar Hanger Bolt?

Solar Hanger Bolt normally combine with L feet or stainless steel plate to attach to solar mounting rail.
The embedment length of hanger bolt is trapezoidal profile height/sandwich thickness plus 25mm.

In addition, it requires pre-drilling for the substructures when the purlin or rafther is steel.
We recommed diameter for the drilling is in below table:

If you need this product,  please feel free to contact us. Hope can work with you to cut your cost and reach mutual benefit.  (sales7@landpowersolar.com)