This would be on an older house but the wood siding is in good condition.
Installing hardiplank over existing siding.
Installing hardiplank lap siding measure up from the ground 6 inches plus the width of one plank at a corner and make a mark on both sides of the corner.
Does this mean that hardieplank cannot be installed directly over existing wood siding without voiding the warranty.
Several contractors have suggested that the wood siding need not be removed.
Something you will want to keep in mind when making this decision is how long hardieplank will be on your home.
Hardiplank lap siding can be installed over braced wood or steel studs spaced a maximum of 24 o c.
We have dozens of installation specialists throughout the u s.
Why siding over existing siding is a bad move.
More than 50 years.
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 bowed curling delaminated or rotting.
Even though most reputable contractors will never install siding over existing siding there are knuckleheads out there that will say you can do it and it s not a problem.
Hardie plank siding is almost always installed with air nailers which are the best tool for quick installation.
As a homeowner you will work with a contractor who will facilitate the installation of your james hardie siding trim soffit wrap and flashing products including products with colorplus technology.
The hardie website is unclear on this issue.
Hardiplank lap siding can also be installed over foam insulation up to 1 thick irregularities in framing sheathing and or foam insulation can mirror through the finished application.
Or directly to minimum 7 16 thick osb sheathing.
And canada who are available to work with any contractor or builder.