Hobbit curved roof

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Forum topic by willhime posted 12-10-2016 05:16 PM 920 views 0 times favorited 4 replies Add to Favorites Watch
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130 posts in 1811 days

12-10-2016 05:16 PM

Topic tags/keywords: tip question trick

I’m trying to make a hobbit hole style chicken coop for my neice and am having trouble getting the curved look for my roof rafters. In the picture, I attempted segmented rafters but they don’t have the curved arch I was hoping for. Are there any tips on how I might achieve that ? I was hoping to avoid bent lamination but it feels like that might be the only option. Is there a way to possibly get the same effect on the rafters, then as I attach the shingles lengthwise it would appear the same way ?

You can see the current rafter shape, then the piece of trim I put up for an example of how I’d like the shape to be..

The third picture shows the ideal shape I’d like to achieve.

-- Burn your fire for no witness

4 replies so far

View johnstoneb's profile


3080 posts in 2445 days

#1 posted 12-10-2016 05:22 PM

I would cut them out of 3/4” plywood.

-- Bruce, Boise, ID

View Thuzmund's profile


154 posts in 1901 days

#2 posted 12-10-2016 05:34 PM

Yes, it would be wasteful but Plywood (maybe double-glued, so two sheets) would probably do the job if you had to. You could also do bent lamination, basically thin strips (thin enough to flex) glued on top one another until you have a thick, strong board. It would take some time but it’s a way of bending without using steam.

Otherwise, the best I can think up is a bunch of scarf joints or similar.

Or another thought—make the arch out of some other material. Then just tack the roof on top of that and only the chickens will know your secret. For instance, I’ve seen hoop greenhouses from bent PVC pipe.

I wonder how homebuilders might approach a curved roof, or any curved shape. I’m sure they are not interested in putting together a hundred scarf joints.

-- Here to learn

View willhime's profile


130 posts in 1811 days

#3 posted 12-10-2016 05:57 PM

yeah, the plywood would be the easiest route by far, like this guy, but that gets expensive real quick. For that size rafter, It’d take 1 full sheet per 1.5 rafters. I’m thinking my best bet is to start resawing a bunch of 2×4’s and do the lamination, which I was really hoping to avoid. I’d like to use PVC, but I don’t think it’d hold up well to having shingles driven into them.

-- Burn your fire for no witness

View Loren's profile


10477 posts in 3920 days

#4 posted 12-10-2016 07:03 PM

Stacked lamination would be relatively
easy and not use a great deal of material.

What you would do is make a pattern
of the shape you want and joint sections
of 2x material to glue up a blank… then
trace the pattern and cut out the curves.

I think you’ll find the result looks pretty
good. Use plastic resin glue if you’re
concerned about glue, it dries totally hard
and won’t creep or soften when wet.

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