How do I build support for two deck boards without joists?
by
Lise
How can I replace two deck boards when there are no joists to support them? I downsized to smaller hot tub, and need to add support under the boards.
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Is there room to put some bricks or blocks underneath? Here’s how we did our simple hot tub deck: https://www.frugalfamilytimes.com/2016/08/how-to-make-hot-tub-deck-for-250-and-2.html
You could take a 2X4 or 2X6 and screw pieces just underneath, at least 2 feet apart, where the two new boards will be located. Screw the small boards across the space and you should be able to use a good electric or battery operated drill with screw attachment to screw the small boards into place. Then you will have something to nail to when you place your long boards.
https://www.todayshomeowner.com/video/how-to-remove-and-replace-wood-decking/