Awasome Hanging Christmas Lights On Metal Siding References. This is by far the quickest, easiest way to put lights on a metal surface. The hook latches onto the back side of the.

Next, attach the magnet to the 1×2 with a screw and hang the hooks on the gutter one at a time. Hardie board siding is durable and can handle the weight of outdoor decorations, including string lights. They are all pretty budget friendly and simple.