Coffered Ceiling

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Project by AJ1104 posted 02-08-2016 01:08 PM 1365 views 1 time favorited 4 comments Add to Favorites Watch

We have a octagonal kitchen area that had a problem with sheetrock seam splitting. It was due to seasonal movement of the rafters. After many years of retaping, my wife came up with the idea to install a coffered ceiling over the seams.

I used 1X6 pine boards which I milled for the best yield.

First step was to construct the octagon as box in the shop. I flipped it upside down and used the bottom as a kleet that was screwed to the ceiling into the supporting beams. This allowed me to nail through the sides and anchor it into the ceiling.

Second was all of the compound miters on the long “spokes” . I setup a cutting station in the middle of my kitchen. I screwed the kleet in place into the rafter then attached the sides and face. I made setup templates for each compound cut for repeatably. Since every wall was slightly different, they were then painstakingly fitted in one piece to reach from the octagon to the wall without gaps.

I finished with the moldings that I milled at the router table using the templates and added a store bought median.

I enjoyed this is project because it is of those projects that gets to be viewed everyday!

-- AJ

4 comments so far

View a1Jim's profile


118162 posts in 4655 days

#1 posted 02-08-2016 02:28 PM

View lightweightladylefty's profile


3645 posts in 4790 days

#2 posted 02-09-2016 03:06 AM


Your ceiling solution looks fantastic! We’d love to see the kitchen, too.


-- “Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety.” Benjamin Franklin -- Jesus is the ONLY reason for ANY season.

View AJ1104's profile


1305 posts in 2737 days

#3 posted 02-10-2016 02:25 AM

Thank you for the nice comments. Although this is not a piece of furniture, it required many furniture building skills that I acquired here.

-- AJ

View TineyNailer's profile


3 posts in 1158 days

#4 posted 03-07-2018 07:57 PM

Great idea and exicution. Great house to.

-- Lumber Lover

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