How To Build A Diagonal Door

By Robert Robillard on Finish Carpentry, Workshop tips

Build A Diagonal Tongue And Groove Shed Door


This shed was designed by Sandra Stout from Creative Designs. One of the details that Sandra specified was for the tongue and groove doors to be set at a diagonal.

How To Build A Diagonal Door

After figuring out the door opening sizes I went back to the shop to build the diagonal cedar tongue and groove doors.

I ripped the tongues and grooves of the boards to make the door face frames. For simplicity I used a plate joiner to insert wood biscuits and help me glue up the door face frames.

When making my face frame I glued up both doors as one and ripped them into two doors later. The two doors share a middle style which gets ripped in half. Once the doors are installed the two ripped styles will match the top. bottom and hinge side style and rail widths.

How To Build A Diagonal Door

Once the face frames were dried and sanded of mill glaze I routed a champher along the inner edge of the opening to make the face frame match the champhers already on the diagonal tongue and groove boards.

How To Build A Diagonal Door

The doors were glued and temporarily fastened to the face frame with 1/4″ x 1″ galvanized staples. Later I will screw the boards to the face frame.

How To Build A Diagonal Door

Once all of the boards were installed I flipped the door over and brought it over to the table saw to cut the boards flush with the face frame. A jigsaw or circular saw would have worked here too.
How To Build A Diagonal Door

The outside edges were sanded and champhered as well. I flipped the door back over and added two 1-1/4″ galvanized deck screws per board all the way around.

How To Build A Diagonal Door

Acorn brand strap hinges finish off the door.

How To Build A Diagonal Door

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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

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