James Hardie Trim Corner Tabs 8"x8"x1.5"

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James Hardie Trim Corner Tabs 8"x8"x1.5"

Hardie Trim boards with Back Grooves (not included) are installed with Hardie Trim Flat Tabs and Hardie Trim Corner Tabs which provide concealed fastening.

Only HardieTrim Flat and Corner Tabs can be used with HardieTrim boards to create a concealed fastening.

Also available in 5"x5"x1.5" and flat tabs 3"x1.5".

HardieTrim boards with back grooves are installed around corners by pre-building the corner off the wall with the HardieTrim Corner Tabs.

  • Attach HardieTrim Corner Tabs to the back side of the trim using eight(8) - 18 ga. 1/2" L x 1/4" W narrow crown galvanized staples using a pneumatic stapler. Ensure the HardieTrim Corner Tabs are fastened tight and straight to the trim boards.
  • For wood frame construction, attach trim to building using min. 2, 6d siding nails fastened through the
  • Attach a HardieTrim Corner Tab 1" from each ends and every 20" o.c.
  • TIP: Creating a jig for the work station is recommended to ensure corners are fastened securely and straight.

See "Related Products" below for more options.



The warranty will be honored only through the manufacturer, James Hardie. For your convenience, product warranty information is attached below; please click the link to view the current warranty policy on the manufacturer's site. If you need further assistance regarding your coverage or have other inquiries, please contact the manufacturer directly.

James Hardie Warranty Information

James Hardie Trim Corner Tabs 8"x8"x1.5"

Hardie Trim Corner Tabs provide concealed fastening to Hardie Trim Boards. Only Hardie Trim Flat and Corner Tabs can be used successfully to do this.


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