Single width planks are also available and come in 8 inch and 9-inch widths. Each sheet of siding has a nail strip at the top. This makes it a preferable material in areas with frequent wild fires. function addChangeHandler(elements){ Rain and hail can also sound loud on aluminum siding. Malco SL5 Snap Lock Vinyl Aluminum Siding Punch lightly used. Mastic Aluminum siding is light, easy to install and completely waterproof. The nails should have 1/8-inch shanks, heads at least 5/16 inch in diameter, and be able to penetrate backing by at least 3/4 inch.