Allow 3 inches on each side of the joint.
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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.
I feel caulking will help a lot and enhance the appearance of the house.
This is a butt joint and it.
Place a joint flashing under the joint for weather protection.
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My neighbor s house has hardie plank siding.
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Hardie board installation will require joints between planks.
Caulking joints are unnecessary but flashing behind the joints is required.
Any lower and you might see a few nail heads poking through the bottom of the next board any higher and your siding is likely to be loose and.
During the course of any siding installation it will be necessary to install two pieces of siding against each other in a course.
Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not recommend caulking butt joints or the horizontal overlaps joint flashing 6 in.
Cut a piece of 6 inch wide steel coil trim about 1 inch longer than the width of a siding board and place it behind the joint.
Hardieplank siding with colorplus technology.
James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2.
Make sure the nails go through the siding and into the studs along the wall.
I read your info.
About 6 12 months later the butt joints looked awful.
It was painted by a contractor who caulked the joints before painting.
Learn how to pin back corners with hardieplank lap siding to tackle bows in the wall or siding that is not laying down the wall with this instructional video.
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