Building A Tree House

By Robert Robillard on How To

Floating Bracket

A floating bracket is basically a platform support that can be used to span between two or more trees. We used two on our project.

The floating bracket slides onto the TAB and allows the tree to move freely and independently in any direction, while keeping the treehouse structure from moving.

We laminated two 2×10-14 pressure-treated boards to make a beam and mounted the brackets to the bottom. We would hang out floor josts off this beam.

Building the Platform

We used 2×10 pressure treated lumber for the treehouse floor system. The entire platform of the tree house is 8 x 14’ long. The treehouse is 8’x8’ and there are two 36” decks on either end.

  • Treehouse:  8’ x 8’
  • Two decks: 3’ x 8’ decks

The floor system consists of two outside double 2×10 beams with 2×10 joists installed between them, direct nailed and supported by galvanized hangers.

Opposite of the floating beam is a beam that is supported by two 6” x6” pressure treated posts connected post to beam, and post to footing galvanized connections.

Each post received three diagonal post to platform brackets.  The two concrete footings have 10” deep galvanized j-bolt, and is 10” in diameter and is 48” deep.

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About the author

Robert Robillard

Carpenter / Remodeler / Editor

Rob Robillard is “The Concord Carpenter” Rob is a builder, general contractor, carpenter, woodworker, and editor of Concord Carpenter and ToolBoxBuzz As a General Contractor and carpenter, Rob owns and operates Concord Carpenter LLC. A full-service remodeling and construction company. Rob is a recognized leader in home building best practices and a source for how-to information for building professionals. On this website, Rob covers all aspects of home construction, building science, home improvement, woodworking, remodeling, and some of the best product and tool reviews. Rob is in charge of our Tool and Product Review series - Concord Carpenter Videos where we post all of our tool reviews and video tutorials. Rob approaches remodeling and building construction with a pragmatic and problem-solving approach. He enjoys using his knowledge and experience to help and educate building professionals as well as DIYers on best practices in the construction and remodeling industry. He's a strong advocate for "raising the bar" in the construction trades and promoting the trades to youth. #BeAMentor #Green2Great Craftsmanship, quality, and pride guide his journey on this channel The Concord Carpenter's motto: "Well done is better than well said!" : Read more about Rob If you have a building or remodeling question you can have rob respond to your answer via video. Click here for more information. Invite code: x22r2

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