Caulking Between Hardiplank Siding

Leave a 1 8 gap between the siding and the trim or other materials to allow for structural movement.

Caulking between hardiplank siding.

This cleans all visible dirt and residue from the surface and prepares a clear foundation for caulking. Always prime or paint any cut edges that are inserted into a window j channel. This video is about how to like a pro. James hardie does not recommend using caulk or h jointers for the butt joints of hardieplank siding with colorplus technology.

Step 1 dampen a dry rag with denatured alcohol and wipe the area surrounding the crack. You need to have the best caulk for hardie siding to help your walls and wooden surfaces to get rid of open cracks and thin spaces between joints. Siding nails should not be caulked another item that needs room to play is siding boards themselves. 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.

Although it is convenient hardiplank siding is still susceptible to cracks which requires a caulking treatment to repair. A diyer or a novice painter might attempt to achieve a cleaner look by caulking the siding nails but the nail is guaranteed to push the caulking material out within a few months. Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not recommend caulking. But here the main problem is people usually don t find the right type of caulk for their works.

The nails holding up the siding should not be caulked. When to use caulk on exterior siding siding caulk can be used on several different areas of your exterior siding to help prevent water damage and moisture buildup. Do not caulk between siding and any built in receiving channels located at or around windows. Some of the most commonly caulked areas of siding include both corners and crevices as well as some butt joints and window and door trim boards.

Always caulk between the siding and the trim. Vertical trim gap caulking. Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur.