Caulking Hardie Board And Batten Siding

For best results use caulks that comply with either astm c 834 or astm c 920.

Caulking hardie board and batten siding. Board and batten siding recently installed on our boathouse using cedar boards stained with cabot solid color acrylic deck stain in dark slate. Begin caulking on a dry day when you don t expect rain as rain and damp conditions can interfere with the curing process. Boards hardiesoffit pre cut panels artisan by james hardie hardiewrap weather barrier hardiebacker cement board. 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 offers an array of siding products. 1 i chose this caulk because it has 25 flexibility compared to silicone based caulk. Works well with farmhouse style or modern homes. 2 house built before 2008 so has no flashing okay to caulk.

Ensure that the board and batten siding is also dry. 3 brush dust from the. This from installation instructions. A high quality paintable caulk is recommended.

Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur. Combine with hardietrim boards for a rustic board and batten look. 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. Caulking sealant must be applied in accordance with the caulking sealant manufacturer s written instructions or astm c1193.

While traditional board and batten siding uses wide boards and narrow overlying battens there are variations of the traditional narrow over wide technique. About hardiepanel vertical siding. For regular hardiplank lap siding the kind you paint after installation caulking at butt joints is optional. Wherever hardie siding meets a trim board the company recommends you leave a 1 8 gap between the siding and the trim and apply a 3 8 bead of approved caulking to protect and seal the edge of the siding.

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.