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Creating 6x6" beam from 4/4 boa SD

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Forum topic by DaveInPA posted 08-30-2017 02:40 AM 265 views 0 times favorited 4 replies Add to Favorites Watch
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DaveInPA

1 post in 48 days


08-30-2017 02:40 AM

Hi – I’m building a new room and the plans call for a few 16’ long 6×6” exposed beams. The rest of the house is 200 years old so I’d like to use a species that might read like an antique beam. I’ve used English oak on another project and the grain is tight like old growth oak. However I can only get that in 8/4 thickness.

So here is what I’m thinking – can I get 4 of those boards mill them flat and square and simply face glue them together to create a single thick structural beam? The only issue I can think of is that the grain pattern on the underside edges won’t match and it will be obvious that it’s a laminated beam – then it defeats the purpose and I might as well get a new oak beam for 1/5th the cost.

Any creative suggestions or ideas on how to accomplish what I’m trying to do?


4 replies so far

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Loren

9411 posts in 3426 days


#1 posted 08-30-2017 02:45 AM

Get a faux finish painter to fake the grain.

View TungOil's profile

TungOil

661 posts in 273 days


#2 posted 08-30-2017 02:51 AM

the usual way I’ve seen beams ‘faked’ is by building a 3 sided U shaped box from 4/4 material. a bit like a rain gutter if you will. You could hide the joint by using a lock miter, like this:

https://www.infinitytools.com/routing/router-bits/carbide/joinery-router-bits/lock-miter-router-bits-3624

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

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jerryminer

751 posts in 1219 days


#3 posted 08-30-2017 03:00 AM

I’ve done a lot of fake beams in the U-shaped box like TungOil suggests, but if this beam is structural, and needs to be solid, then an option is to resaw a 6” slice, glue up 4 pieces, plane the bottom face, and glue on the thin slice (1/4” would work, and give you some room to add distressing). A 14” roundover at the edge will pretty well hide the joint line.

-- Jerry, making sawdust professionally since 1976

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HTown

60 posts in 964 days


#4 posted 08-30-2017 04:41 PM

You might consider a glue lam beam where the structural properties are published, combined with Jerry’s idea of skinning it with a hardwood veneer.

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