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The Daily Insight

Is it OK to build a deck around a tree?

Author

Sarah Oconnor

Updated on February 25, 2026

Building it around a tree might seem to complicate the project, but that is not the case. You can work with a floating deck that rests on above-ground piers or underground footings. The tree’s size could influence the deck’s dimensions, the layout of the foundations, and the joist layout as well.

How do you frame around a tree?

The first thing you should do is run two beams in front of and behind the tree. Allow 3 to 5 inches of space between the decking and the tree, if it is already mature. If the tree is younger, allow a little more room for growth. Next, attach two more beams on each side of the tree and to the previous beams you placed.

How do you build a deck around tree roots?

A deck over tree roots must be built high enough off the ground to provide room for the roots to grow. Using flush beams to allow maximum distance between the tree trunk and footings as not to damage the tree’s roots. With the joist and beams positioned to provide room for future tree growth.

Do you need footings for a floating deck?

When it comes to floating decks, which are decks that are built very close to the ground, they don’t need any sort of footing. You can either use small concrete blocks and planks, or you can use a post that sets into a pre-formed hole.

How do you build an octagon deck?

The most important thing to be concerned with while building an octagon deck is to keep it level and square. We recommend to start by setting the prenotched posts at each corner positioned at a 22.5 degree angle. Between each of these posts, you…

How do you build a deck around a tree?

5 Considerations for Building a Deck Around A Tree. 1 1 – Solitary Trees. If you want to build a deck around one tree, then you can do this in a number of interesting ways. Often parks and public spaces 2 2 – Groups of Trees. 3 3 – Roots. 4 4 – Leaves and Fruits. 5 5 – Wood Pests.

Can an octagon deck be used as a gazebo floor?

Mar 15, 2016 – Building your deck in an unconventional shape like an octagon isn’t as challenging as it sounds. Learn how to build an octagon deck that can be used as a floor for a gazebo at Decks.com. Mar 15, 2016 – Building your deck in an unconventional shape like an octagon isn’t as challenging as it sounds.

How do you attach decking to a floor joist?

Start at the outer edge of the deck and work inwardly to the centre. The first row of decking overhangs the end joists by 1-1/2 inches. Each piece of deck planking is fastened between adjacent main joists. Use deck screws, alternately driving the screws either to front edge or bottom edge of the plank in a zig zag pattern.