Hardiplank Siding Joints

If you don t find the answer to your question you can browse hardieplank lap siding installation instructions here just be sure you re using the right instructions for.

Hardiplank siding joints.

Do not use stains or oil based alkyd paints on james hardie products. From the top edge and no closer than 3 8 in. When james hardie siding products butt into wood based materials a 1 8 gap will allow for expansion and contraction of the wood based product. James hardie recommends that you consult your design professional if you have questions regarding the use of rainscreen on your single family project.

Hardiplank lap siding field butt joint flashing detail. Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not. Re applying caulking when it has begun to show signs of wear can help keep moisture from getting into the wall cavity. Hardie plank joints butt joints james hardie siding is 12 feet long which means that siding on your longer walls will need to join together.

Fasteners shall be installed between 1 in. James hardie recommends installing a rainscreen an air gap between the hardiepanel siding and the water resistive barrier as a best practice. Fiber cement siding repair or patching. James hardie recommends the use of caulks and sealants that remain permanently flexible.

James hardie is the world leader in fiber cement siding and backerboard. Hardiplank lap siding must be installed correctly to perform properly. I think personally with the different methods of install on this product from. We ve been providing a better way to build for over 100 years.

Flashing under field butt joints is necessary to keep water and weather away jharrison john harrison cmi june 19 2013 11 45pm 16. Joining hardie boards together is actually very easy but there are a number of ways that contractors get it wrong. From the ends of the plank. James hardie prefers and recommends installation of hardieplank lap siding by the blind nailing technique such that fasteners are hidden by the course above.

James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. Hardie boards should be joined in moderate contact.