Hardiplank Siding Joints

Hardie boards should be joined in moderate contact.

Hardiplank siding joints.

James hardie does not recommend using caulk or h jointers for the butt joints of hardieplank siding with colorplus technology. James hardie is the world leader in fiber cement siding and backerboard. We ve been providing a better way to build for over 100 years. Hardiplank lap siding field butt joint flashing detail.

James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. Joining hardie boards together is actually very easy but there are a number of ways that contractors get it wrong. Fasteners shall be installed between 1 in. Do not use stains or oil based alkyd paints on james hardie products.

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. 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 prefers and recommends installation of hardieplank lap siding by the blind nailing technique such that fasteners are hidden by the course above. I think personally with the different methods of install on this product from.

James hardie recommends that you consult your design professional if you have questions regarding the use of rainscreen on your single family project. James hardie recommends the use of caulks and sealants that remain permanently flexible. To help you get your project done right the first time we ll be gathering tips answers to commonly asked questions and more about james hardie siding installation. Hardiplank lap siding must be installed correctly to perform properly.

From the top edge and no closer than 3 8 in. From the ends of the plank. For additional information on finishing james hardie products download technical bulletin 22 from here. Flashing under field butt joints is necessary to keep water and weather away jharrison john harrison cmi june 19 2013 11 45pm 16.

Fiber cement siding repair or patching. 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.