Measure the length of the wall to see how many panels you ll need to use.
How much should you over lap metal siding.
Install a 1 inch wide strip of siding material just above the marked line.
If that company you mentioned gave you a lower estimate it s for the reason you stated.
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.
This strip will kick out the bottom of the first lap as if it were sitting on top of another lap.
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.
You never know what could be hiding under the old siding.
Depending on the length of the wall you may need to cut and use partial panels.
If you re installing a metal roof on a home without gutters you can overhang the panels by twice that amount.
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.
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.
Using existing siding for replacing siding the best place to start is to closely examine the existing siding to get a good understanding of what condition it is actually in.
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.
It s best to stagger the joints in each successive course to avoid noticeable patterns.
For walls longer than 12 feet you ll need to butt additional lengths of siding together.
On the eave side of the roof aim to overhang the panels by 1 to 1 5 inches.
They are cutting corners on your job to keep costs down.
According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped.
