1 i chose this caulk because it has 25 flexibility compared to silicone based caulk.
Caulking hardie board and batten siding.
3 brush dust from the.
About hardiepanel vertical siding.
Works well with farmhouse style or modern homes.
Ensure that the board and batten siding is also dry.
James hardie offers an array of siding products.
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.
While traditional board and batten siding uses wide boards and narrow overlying battens there are variations of the traditional narrow over wide technique.
Dents chips cracks and other minor surface damage in james hardie siding and trim products can be filled with cementitious patching compound.
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.
Combine with hardietrim boards for a rustic board and batten look.
For best results use caulks that comply with either astm c 834 or astm c 920.
Or go for the more minimalist look of simple vertical lines.
A high quality paintable caulk is recommended.
Re siding your house with hardiepanel vertical siding or combining it with hardieplank lap siding is sure to add visual punch to your design.
Caulking sealant must be applied in accordance with the caulking sealant manufacturer s written instructions or astm c1193.
This from installation instructions.
For regular hardiplank lap siding the kind you paint after installation caulking at butt joints is optional.
Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur.
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.
2 house built before 2008 so has no flashing okay to caulk.
Board and batten siding recently installed on our boathouse using cedar boards stained with cabot solid color acrylic deck stain in dark slate.