Caulking Hardiplank Siding

Is the old caulking removed before new coats are applied.

Caulking hardiplank siding. The nails holding up the siding should not be caulked. James hardie recommends the use of caulks and sealants that remain permanently flexible. We ve been providing a better way to build for over 100 years. Similar to paint previous coats of.

Osi quad product brochure. Where should you use caulk on hardie siding. But in our experience we saw that both of the corners and sometimes the crevices also some butt joints door trim boards and windows are quite common areas. 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.

When putting on caulk most people decide where they want to put it. 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. Overview all weather window door max shield by ge sealants and adhesive best caulking for hardie board siding in budget. Joint flashing is recommended for all hardie lap siding now.

James hardie does not recommend using caulk or h jointers for the butt joints of hardieplank siding with colorplus technology. Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not. 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. 801 caulk 10 1 oz by dap best exterior caulk for hardiplank siding.

Because almost all of the james hardie product installed in edmonton is prefinished colorplus siding the caulking will. Hardie no longer recommends the caulking of any joint in their lap siding colorplus or primed. You can use caulk on a number of areas of your hardie siding. Overview rubber adhesive sealant caulk by flex shot best caulk for hardie board and interior objects.

James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2.