Proper Flashing At The Bottom Of Hardie Siding

Pin backs pinning the plank down at the bottom edge is a common practice called pin back it is used to correct high nailing loose planks gaps or rattling.

Proper flashing at the bottom of hardie siding.

Cover with cap flashing. However the typical recommended width of step flashing ranges from 5 inches to 10 inches. 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. Fold the roof side of the flashing down over the facing board along the roof.

This is a 6 wide piece of weather resistive material to make sure that no water gets through. A 5 inch wide flashing will result in a 2 1 2 roof deck flange and 2 1 2 vertical wall flange. Pinning of the butt joints is not intended to increase wind load values. 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.

James hardie recommends that a slip sheet joint flashing is installed behind each butt joint in the siding. 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. Nail it to the sidewall or glue it if nailing isn t possible.

Likewise a 10 wide flashing will result in a 5 inch wide roof deck flange and a 5 inch vertical flange. James hardie also does not recommend applying caulk to the horizontal overlap between siding planks see figure 2. From end and between 3 4 in. And shall be installed 3 8 in.

Mount it on top of any waterproofing layers that have been installed to protect the wall of the home. Slip in the flashing.