Hardie Board Siding Seams

James hardie is the world leader in fiber cement siding and backerboard.

Hardie board siding seams.

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 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. Manufactures and sells a range of exterior shingle siding board panel and trim products.

2 house built before 2008 so has no flashing okay to caulk. 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. James hardie recommends the use of caulks and sealants that remain permanently flexible. 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.

We ve been providing a better way to build for over 100 years. Fiber cement board lap siding repair guide. 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. Our page top photo shows loose and improperly installed fiber cement siding on.

Typically billed as a low maintenance long lasting material does it measure up to its reputation. Sand the edges of the hardi board smooth by hand and remove all dirt and debris prior to finishing hardi board. Mix up enough mortar to fill in all seams and joints and cover the nail holes in the backer board. 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.

Here are the pros cons and costs of hardie board siding to see how it looks under scrutiny. 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. James hardie recommends installing a rainscreen an air gap between the hardiepanel siding and the water resistive barrier as a best practice. 1 i chose this caulk because it has 25 flexibility compared to silicone based caulk.