Outdoor sofa to replace our falling-apart fake-plastic-wicker one, reusing the same cushions.

sofa with cushions

It's roughly following Wilker Do's Outdoor Sofa plans, however I adjusted the size, changed from a two-layer construction to lap joints / mortise-and-tenon joints, and filled in some missing details.

First time hand-cutting mortise and tenons, for the arm rest supports:

mortise and tenon

First time making half-lap joints, for the side frames; very happy with my new Infinity Tools Dadonator:

dado blade

half lap joints

After some attempts at CAD, I ended up just cutting out scale paper parts and then measuring angles/lengths to fit them together. It mostly worked, but some lengths didn't work out in wood.

plans

I used western red cedar for rot resistance, since this will sit unsheltered. I haven't finished it yet, I'm considering poly, boiled linseed, or Thompson's water seal (glad for recommendations). First time working with cedar, it's very soft and scratch prone, smells great, and is noticeably lighter than pine. Also pricey; one thing I didn't like about this design is it is fairly overbuilt.

side view

top view

all 22 comments

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[–] 6 points 1 year ago (3 children)

The angles on those arm-rests! 😍

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  • [–] [S] 2 points 1 year ago (2 children)

    Yeah, those were a real pain, but I'm very pleased with the look. Band saw rough cut, hand planed smooth. I couldn't figure out how to set up a jig on the table saw.

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  • [–] 2 points 1 year ago (1 child)

    I think the way to do these on a table saw would be to use a tapering jig with the blade set at 90 degrees to get the rough shape. That would allow you to flip one to get a mirrored version. Then tilt your blade and run them through again using a bevel jig that saddles over the fence

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  • [–] 5 points 1 year ago (2 children)

    You mean a bench?

    Looks great!

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  • [–] [S] 4 points 1 year ago (1 child)

    I would be happy to get a clear rundown of the terminology.

    To me, "bench" is the term if there are no cushions, but having placed them on, it seems inappropriate. This article though seems to say benches can have cushions, storage, etc. And (while we're at it) Martha Stewart says "sofa" means a formal centerpiece of a room, versus its casual associate the "couch". Anyway this feels dangerously close to going full cube rule.

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  • [–] 3 points 1 year ago (1 child)

    Looks great! Awesome idea to reuse the cusions too!

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  • [–] 3 points 1 year ago
    [–] 3 points 1 year ago*

    Love the proportions, those are some mighty clean joints as well.

    If you're thinking of keeping the cishions outiade, you can make your own waterproof covers by mixing clear silicone sealant with isopropyl alcohol and painting that onto your choice of fabric.

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  • [–] 3 points 1 year ago

    Wow, that looks so good. And the joints came out great.

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  • [–] 3 points 1 year ago (2 children)

    I have a recommendation for finish: Spar varnish. It's kind of an outdoor urethane, it's UV resistant and more flexible than regular everyday furniture poly. I've got some Helmsan spar varnish on my planter boxes, and they're holding up alright.

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  • [–] 2 points 1 year ago

    Looks amazing!

    I've saved this post as it's giving me some ideas :))

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  • [–] 2 points 1 year ago (3 children)

    That looks way more comfortable than the living room couch my wife bought. I don't even sit on it now because its so deep you can sit up.

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  • [–] [S] 1 point 1 year ago (2 children)

    Hah, yeah we have one of those couches that swallow you. This is quite firm now, I'm considering taking the center support out from under the seat slats to give it a little spring but I'm not sure which I'd prefer.

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  • [–] 1 point 1 year ago

    This is really good looking, better than the photo on the plans site!

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  • [–] [S] 1 point 1 year ago

    Finishing update: went with teak oil, for easy re-application and wood feel but (hopefully) without the darkening effect of boiled linseed oil.

    bench with teak oil

    side of bench with teak oil

    It was pretty easy to put on with a foam applicator, though took more than 20 minutes to cover the whole thing so some of it had gotten gummy by the time I went back to wipe off excess.

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  • 1 comment in c/forumlibre@jlai.lu view that post
    [–] 3 points 1 year ago

    C'est super propre. Les tenons et mortaise fait main, c'est impressionnant. Bravo

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