How Much Should You Over Lap Metal Siding

For example if the wall is 11 feet 3 4 m long and each siding panel is 2 feet 0 61 m long you would need 5 panels and 1 half size panel.

How much should you over lap metal siding. Hardieplank lap siding may be used with fasteners approved by icc es esr 2290 spaced in accordance. In other words if the height of the roof drops by 2 inches for every 12 inches in length you will need to use sealant to strengthen the overlap barrier. This technical bulletin addresses approved fastening techniques when using hardieplank lap siding. Metal sealing and fastening apply side lap sealant if the pitch of your roof is 2 12 or less.

Depending on the length of the wall you may need to cut and use partial panels. Measure the length of the wall to see how many panels you ll need to use. Install a 1 inch wide strip of siding material just above the marked line. Butt joints in adjacent courses should be spaced apart by at least two stud bays for 16 inch o c.

I would suggest getting several estimates if you haven t done so already. Frank regardless of where you live you should never go over any siding especially when the existing siding is in poor condition. On the eave side of the roof aim to overhang the panels by 1 to 1 5 inches. Framing or one bay for 24 inch o c.

For walls longer than 12 feet you ll need to butt additional lengths of siding together. They are cutting corners on your job to keep costs down. It s best to stagger the joints in each successive course to avoid noticeable patterns. This strip will kick out the bottom of the first lap as if it were sitting on top of another lap.

Hardie plank siding has a nail line across the top of the board that is 1 down from the top and nails are supposed to fall between and 1 from the top of the board to give the best hold. If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount. You never know what could be hiding under the old siding.