How to Groove Square Edge Deck Boards

by Anthony DiSanto, FastenMaster Decking & Trim Product Manager

If you are using hidden deck fasteners, there may be occasions when you need to cut a groove into a square edge deck board. It is a very easy process if you follow the proper steps. The following video will show you how to groove any square edge deck board including:

  • AZEK® Deck
  • TimberTech® Legacy
  • TimberTech® Earthwood Evolutions®
  • TimberTech® TwinFinish®
  • Trex® Transcend®
  • Trex® Select®
  • Trex® Enhance®
  • Fiberon® Horizons
  • Fiberon® Paramount
  • Ipe
  • Mahogany

The proper tools needed to complete this job are a handheld router using a 5/32” bit or our TigerClaw TC-G Router Bit. (This Video showcases the TC-G Router) For safety purposes you will also need safety glasses, a few clamps to hold down the decking boards on the deck surface, a tape measure, and a pencil.

The process is very simple:

  1. Measure 13/32” from bottom of board and mark with a pencil
  2. Adjust the router and do a sample cut at the pencil line and test to make sure the TigerClaw TC-G clip fits tightly in the groove as shown in the video
  3. After ensuring a correct measurement and cut, cut your grooves in the boards either at the location a groove is required or groove the entire board
  4. Install the TC-G clips as directed

Quick Tip: Notice how the installer on the video routes out two boards at once by clamping the boards to the joist first. This will dramatically cut down on time.

June 20, 2014 by Janet Blake (comments: 0)

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