Hardie Board Siding Joints

Fastener joint treatment position fasteners 3 8 in from panel edges and no closer than 2 in away from corners.

Hardie board siding joints. Hardiepanel vertical siding installation. You have to consider the amount of siding you ll need how long it will take and any additional fees for equipment and materials. Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not. The current edition of the james hardie manual along with the international residential code irc and residential edition of the florida building code fbc offers three options for butt joints.

This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted in failure of the caulk joint and associated. James hardie does not recommend using caulk or h jointers for the butt joints of hardieplank siding with colorplus technology. Hardie boards should be joined in moderate contact. Hardie board siding runs about 0 70 to 5 25 per square foot this could lead to a total cost of anywhere from 4 700 to 13 300 why such a huge flux in the price range.

James hardie is the world leader in fiber cement siding and backerboard. A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint. Say to caulk the 1 8 gap left between planks. 2 house built before 2008 so has no flashing okay to caulk.

1 i chose this caulk because it has 25 flexibility compared to silicone based caulk. A gap of up to 1 8 and caulked at the joint was an option in 2001 edition of the james hardie installation manual as shown below. 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. Neither caulk nor flashing was done on our house by builder.

Double stud may be required to maintain minimum edge nailing distances. We ve been providing a better way to build for over 100 years. This is a butt joint and it. Nail it to the house sheathing with a roofing nail the hardie board installations from hardie board co.

Hardiepanel vertical siding must be joined on stud. James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. During the course of any siding installation it will be necessary to install two pieces of siding against each other in a course.