Fasteners must be corrosion resistant galvanized or stainless steel.
Caulking hardie plank siding.
It s also recommended to use a cloth or rag ready to wipe up and smooth excess caulking before it sets on the siding what should never be caulked.
James hardie recommends the use of quality hot dipped galvanized nails.
Caulking around windows doors eaves and trim edges gives added insurance that leaks will not occur.
Trim boards that sit on top the siding.
Joint flashing is recommended for all hardie lap siding now.
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 believes it is good building practice to seal the joints to prevent moisture such as wind driven rain and snow from penetrating the wall cavity.
How much expansion contraction is going to take place with this siding.
Deterioration of the caulking in the joint has become a maintenance issue for home owners over time.
If nail is countersunk caulk nail hole and add a nail.
Electro galvanized nails are acceptable for use with james hardie siding products but may exhibit premature corrosion.
James hardie does not recommend using caulk or h jointers for the butt joints of hardieplank siding with colorplus technology.
801 caulk 10 1 oz by dap best exterior caulk for hardiplank siding.
In the old days the builder would install the trim bring the siding up to it and caulk the corner.
I am planning to install horizontal hardie plank lap siding and the hardie info says use a latex sealant per astm c834 or c920 grade ns class 25.
Can you tell me what gap you use between butt joints on horizontal lap siding and the best caulk for the joint.
Rubber adhesive sealant caulk by flex shot best caulk for hardie board and interior objects.
All weather window door max shield by ge sealants and adhesive best caulking for hardie board siding in budget.