JamesHardie™ Installation Best Practices

  1. Siding to Ground: Minimum 6 inches.
  2. Siding to Slabs, Path, Steps: Minimum 2 inches.
  3. Siding to Deck: Minimum 2 inches.
  4. Sheltered Areas: Minimum ¼ inch.
  5. Horizontal Flashing: Minimum ¼ inch. Do NOT caulk.
  6. Mortar Masonry: Minimum ¼ inch. Do NOT caulk.
  7. Block Penetrations: Minimum ¼ inch above flashing. Do NOT caulk.
  8. Field-Joint Flashing: Do NOT caulk joint.
  9. Roof to Wall Clearances: Minimum 2 inches.
  10. Kick Out Flashing: Minimum 4 inches x 4 inches.
  11. Siding to Gutter: 1 inch.
  12. Valley Flashing: Extend shingles at least 1 inch out from the fascia when gutters are present.

For more information, visit HardieInstallation.com.

  1. Siding to Ground: Minimum 6 inches.
  2. Siding to Slabs, Path, Steps: Minimum 2 inches.
  3. Siding to Deck: Minimum 2 inches.
  4. Sheltered Areas: Minimum ¼ inch.
  5. Horizontal Flashing: Minimum ¼ inch. Do NOT caulk.
  6. Mortar Masonry: Minimum ¼ inch. Do NOT caulk.
  7. Block Penetrations: Minimum ¼ inch above flashing. Do NOT caulk.
  8. Field-Joint Flashing: Do NOT caulk joint.
  9. Roof to Wall Clearances: Minimum 2 inches.
  10. Kick Out Flashing: Minimum 4 inches x 4 inches.
  11. Siding to Gutter: 1 inch.
  12. Valley Flashing: Extend shingles at least 1 inch out from the fascia when gutters are present.

For more information, visit HardieInstallation.com.