Hardie Board Siding Seams

Fiber cement board lap siding repair guide.

Hardie board siding seams.

James hardie recommends the use of caulks and sealants that remain permanently flexible. Traditionally board and batten siding starts with wide vertical planks boards which are then joined together by thin vertical strips battens to cover the seams. 2 house built before 2008 so has no flashing okay to caulk. Hardiepanel vertical siding is one of their key product lines and like other hardie materials it is constructed of cement and fiber for durability.

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 could even rattle in the wind. Manufactures and sells a range of exterior shingle siding board panel and trim products. 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. James hardie recommends that you consult your design professional if you have questions regarding the use of rainscreen on your single family project.

Use backer board screws for the best installation. Typically billed as a low maintenance long lasting material does it measure up to its reputation. This article describes repair procedures for cosmetic or functional siding issues that may arise such as loose siding wind damaged siding siding paint or coating failures and siding gaps especially gaps at fiber cement siding butt joints where lap siding is installed. 1 i chose this caulk because it has 25 flexibility compared to silicone based caulk.

Hardie board siding created by james hardie and also known as cement board siding has been around forever but its popularity seems to come in streaks. James hardie is the world leader in fiber cement siding and backerboard. 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. Our page top photo shows loose and improperly installed fiber cement siding on.

Mix up enough mortar to fill in all seams and joints and cover the nail holes in the backer board. Here are the pros cons and costs of hardie board siding to see how it looks under scrutiny. Sand the edges of the hardi board smooth by hand and remove all dirt and debris prior to finishing hardi board. Homesteaders and farmers would use sawmills to cut the long boards and the battens were put in place to make the structure as airtight as possible.