Hardie Siding But Joints

Framing or one bay for 24 inch o c.

Hardie siding but joints. How to flash siding butt joints after the siding is installed. Because james hardie paints. Joint flashing is recommended for all hardie lap siding now. Hardie siding butt joint spacing.

Deterioration of the caulking in the joint has become a maintenance issue for home owners over time. Touch up mistakes are by far the most common error that edmonton s james hardie installers make. 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. It s best to stagger the joints in each successive course to avoid noticeable patterns.

H joint cover like the one shown at top of this page. James hardie is the world leader in fiber cement siding and backerboard. Well the pieces at 12 feet long so any wall surface 12 0 1 4 wide or less gets one piece. Strip of flashing water resistive barrier under the joint.

Hardie no longer recommends the caulking of any joint in their lap siding colorplus or primed. The use of caulk at field butt joints is a maintenance item for the homeowner aesthetically compromises the finish look and is recommended against by some caulk manufacturers. The use of a joint flashing behind field butt joints is the required joint treatment method for hardieplank lap siding with colorplus technology and the preferred method for primed hardieplank lap siding. In contrast caulk manufacturers specify a minimum gap at butt joints which can become more visible as the caulk ages.

It is also difficult to achieve the specified gap in the horizontal overlap. Hardie plank joints butt joints 4. What are the vertical butt joint requirements for fiber cement hardiplank lap siding. We ve been providing a better way to build for over 100 years.

On longer runs stagger the joints as widely apart as possible and keep your factory ends at the butts. H jointers also age differently that finished siding and can become more visible over time. Butt joints in adjacent courses should be spaced apart by at least two stud bays for 16 inch o c. 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 ongoing maintenance.