This gap should never be caulked.
Z flashing for hardie siding.
Galvanized steel z flashing is made from professional 31 gauge galvanized steel.
Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing.
Do not caulk extend shingles at least 1 in.
Out from the fascia when gutters are present as required by irc code min 4 in.
This is to facilitate water flow.
Minimum gap between the bottom of the panel and the z flashing.
It is used to protect the horizontal joints between sheets of siding from water infiltration.
When reading the installation details for hardie siding lp smart lap and tru wood sidings the quot z quot.
James hardie is the world leader in fiber cement siding and backerboard.
Galvanized steel unless specified.
Do not caulk clearance and flashing requirements hardiepanel vertical siding hs1237 p2 3 09 19 figure 10 sheltered areas figure 11 mortar masonry min.
Item 3807 model 5504900120.
Coated aluminum z flashing at the top edge of the panel.
I know aluminum will oxidize with products like hardie board.
Z flashing do not caulk upper panel in.
Continue installing the z flashing at the top edge of the siding panels across the full length of wall.
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.
Install the second level or gable panels leaving a in.
Z bar flashing provides an inexpensive and easy to install method of stopping water penetration behind siding.
Flashing is always shown with at least a 5 degree angle away from the building.
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.
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.
Make sure that the flashing is sloped away from the wall and does not rest flat on the top edge of the panel.
We ve been providing a better way to build for over 100 years.
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.
