How to Build an Octagonal Deck

Step 8: Placing the outside supports.

Find the location of the outside support boards and Dek-Block® piers. These will be centered between the existing rectangular core frame.

Extend a temporary 2"x6" support board from the existing rectangular core frame over the outside Dek-Block® piers. Using a level as a guide, measure from the bottom of the board to the bottom of the pocket of the Dek-Block® pier . From this measurement, subtract the thickness of the support board (5 1/2" ). Cut the 4"x4" post at this measurement. Repeat for the three remaining blocks.

Place the 4x4 posts in the outside Dek-Block® piers. Set the 2"x6" support boards on top and verify that the support board is level from block to block and the existing frame.

Printable Step by Step Instructions

The printable version of our instructions are in Adobe PDF format.

You must have Adobe Acrobat to be able to view and print the plans. The Acrobat Reader is free from Adobe.

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