Proper Flashing At The Bottom Of Hardie Siding
If the kick out and step flashing can t tuck behind the siding screw on cap flashing to cover it then caulk along the top.
Proper flashing at the bottom of hardie siding. Fold the roof side of the flashing down over the facing board along the roof. Dog ears will be cut on both sides approximately inch from the bottom and then folded to create a stop that will locate itself on the top of the underlying row of siding but not be so long that it will run into the nails that hold the siding of the row being flashed. Hardieplank siding with colorplus technology. James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2.
This is a 6 wide piece of weather resistive material to make sure that no water gets through. Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. Cover with cap flashing. And shall be installed 3 8 in.
A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. 2 run the l shaped flashing up under the bottom row of siding so that it tucks under the final. Nail it to the sidewall or glue it if nailing isn t possible. From end and between 3 4 in.
James hardie recommends that a slip sheet joint flashing is installed behind each butt joint in the siding. However the typical recommended width of step flashing ranges from 5 inches to 10 inches. Mount it on top of any waterproofing layers that have been installed to protect the wall of the home. Lift the bottom shingle and slip in the kickout flashing.
Slice along the bend line about 4 inches into the first piece of flashing at the bottom of the roof with tin snips. 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.