Continue installing the z flashing at the top edge of the siding panels across the full length of wall.
Z flashing for hardie siding.
Position the flashing lengths as defined in step 2 overlapping the ends a minimum of 2 inches onto the previous flashing piece and securing the flashing with 8d nails at each wall stud.
Galvanized steel z flashing is made from professional 31 gauge galvanized steel.
Out from the fascia when gutters are present as required by irc code min 4 in.
When reading the installation details for hardie siding lp smart lap and tru wood sidings the quot z quot.
When installing sierra 8 provide.
During my time working for james hardie i very rarely got calls from homeowners that wanted to submit a warranty claim for their hardie siding.
Make sure that the flashing is sloped away from the wall and does not rest flat on the top edge of the panel.
Item 3807 model 5504900120.
Subject to inquiry for availability.
Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing.
Z flashing do not caulk upper panel in.
I know aluminum will oxidize with products like hardie board.
It is used to protect the horizontal joints between sheets of siding from water infiltration.
6mm gap lower panel z flashing do not caulk upper panel in.
Galvanized steel unless specified.
James hardie is the world leader in fiber cement siding and backerboard.
Minimum gap between the bottom of the panel and the z flashing.
Flashing is always shown with at least a 5 degree angle away from the building.
Install the second level or gable panels leaving a in.
6mm gap decorative band board drainage plane wrap condition drainage wrap stud figure 1 moderate contact plate drainage wrap stud hardiepanel siding drainage wrap stud figure 4 recommendation.
This gap should never be caulked.
Hardie siding requires a minimum 2 gap from all hard surfaces like decks or rooflines and at least 8 from any soft surfaces like grass dirt or gravel.
Coated aluminum z flashing at the top edge of the panel.
Z bar flashing provides an inexpensive and easy to install method of stopping water penetration behind siding.
Do not caulk extend shingles at least 1 in.