Z Flashing For Hardie Siding

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Z flashing for hardie siding.

Z bar flashing provides an inexpensive and easy to install method of stopping water penetration behind siding. Coated aluminum z flashing at the top edge of the panel. Make sure that the flashing is sloped away from the wall and does not rest flat on the top edge of the panel. 6mm gap lower panel z flashing do not caulk upper panel in.

Do not caulk clearance and flashing requirements hardiepanel vertical siding hs1237 p2 3 09 19 figure 10 sheltered areas figure 11 mortar masonry min. Out from the fascia when gutters are present as required by irc code min 4 in. This is to facilitate water flow. Subject to inquiry for availability.

Item 3807 model 5504900120. Z flashing do not caulk upper panel 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. It is used to protect the horizontal joints between sheets of siding from water infiltration.

I know aluminum will oxidize with products like hardie board. James hardie is the world leader in fiber cement siding and backerboard. 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. 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.

Continue installing the z flashing at the top edge of the siding panels across the full length of wall. Window and door cap 1 25 in x 120 in x 1 56 in aluminum z flashing. Flashing is always shown with at least a 5 degree angle away from the building. This gap should never be caulked.

Install the second level or gable panels leaving a in. Do not caulk extend shingles at least 1 in. 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 unless specified.

Minimum gap between the bottom of the panel and the z flashing.