Hardy Plank Siding Flashing

Pre cut for quick and easy installation.

Hardy plank siding flashing.

How to flash siding butt joints after the siding is installed a common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint. Joint flashing butt joint horizontal lap treatment june 2014 james hardie does not recommend caulking butt joints or the horizontal overlaps joint flashing 6 in. Flashing hardiplank building out with 2 layers of 30lb felt at the stud locations is a time tested wood siding detail hard to find 2 rolls of felt tho and tyvek will work as a spline but it has a limited uv exposure life if the joint shrinks which they sometimes do it could affect the tyvek. Hardiepanel vertical siding can be installed over braced wood or steel studs 20 gauge 33 mils minimum to 16 gauge 54 mils maximum spaced a maximum of 24 in o c.

Coating paint means no reflective flashback as found using regular metal flashing. One of those recommendations deals with properly flashing behind field butt joints. James hardie offers an array of siding products. Hardiplank lap siding is a fiber cement siding product that looks like wood clapboards but outperforms it when it comes to weather resistance and finish performance.

James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. Coating eliminates any reaction with fiber cement. As a homeowner you will work with a contractor who will facilitate the installation of your james hardie siding trim soffit wrap and flashing products including products with colorplus technology. Hardieplank siding with colorplus technology.

In order to benefit from this products excellent weather resistant properties it must be installed according to the manufacturers recommendations. James hardie recommends that a slip sheet joint flashing is installed behind each butt joint in the siding.