How To Add Back Flashing To Hardie Plank Siding

It was painted by a contractor who caulked the joints before painting.

How to add back flashing to hardie plank siding. About 6 12 months later the butt joints looked awful. James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. My neighbor s house has hardie plank siding. 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.

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. 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. James hardie recommends 6 inch wide flashing that overlaps the course below by 1 inch.

Caulking joints are unnecessary but flashing behind the joints is required. 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. During the course of any siding installation it will be necessary to install two pieces of siding against each other in a course. 2 points 2 years ago.

How do i flash the siding butt joints. This is a butt joint and it. You will have to pull the nails on the bottom of the siding pieces at each joint. About installing flashing on already installed siding.

Join factory edges and place the cut edges against the corner trim boards. Hardieplank siding with colorplus technology. 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. I read your info.

No matter how you decide to install hardie siding around your windows and doors make sure that your openings are flashed correctly not just according to james hardie s installation instructions but to your local building code.