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Plywood exterior door?

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Forum topic by jimmyhopps posted 02-03-2014 01:13 PM 488 views 0 times favorited 4 replies Add to Favorites Watch
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jimmyhopps

145 posts in 1075 days


02-03-2014 01:13 PM

I’m wondering if anyone has built/used/recommends a front entry door made out of plywood? I’ve read a bit about building exterior doors and it seems the big worry is getting everything square, then of course warping over time. I was thinking of having a 3/4” piece of exterior grade plywood at the core of a door, which could then be cut out for windows as needed. then laying on top of both sides of the plywood various more decorative material, say 1/2” thick hardwood strips, that would resemble any design and/or technique you wanted – eg you could add 1/2” x 3” strips that look like rail/stiles, or cross hatches or just about anything else. Exterior glue needs to be used of course, and if you wanted more assurance and it worked for the design, you could make plug or other decorative fasteners.
Thoughts? could take a lot of headache out of making an exterior door.


4 replies so far

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Vertigo

817 posts in 334 days


#1 posted 02-03-2014 02:16 PM

I can understand your logic. Plywood isn’t really designed to stay “straight” when it’s not mounted over the whole surface of the sheet. It’s strength is in it’s shear strength ability. It is square that I’ll give you. I would be afraid that it would wind up looking like a Pringles potato chip. Especially on an exterior application. Just my 2cents. Hopefully some other LJs weigh in. If you do decide to do it post some pics. I’d be interested to know how it holds up.

-- Greg - Ferdinand and Son Construction: Do it right the first time. Like us on Facebook

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crank49

3466 posts in 1667 days


#2 posted 02-03-2014 03:37 PM

You need plywood skins over a lattice grid inside. Like a torsion box.
But then, you can just go buy these. They are hollow core doors.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

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crank49

3466 posts in 1667 days


#3 posted 02-03-2014 03:40 PM

The big doors on my new shop are T1-11 over a frame of 2x material.
Will have to wait to see how it holds up.
I plan to skin the inside after I get them insulated.

-- Michael :-{| “If you tell a big enough lie and tell it frequently enough, it will be believed.” ― A H

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MrRon

2880 posts in 1940 days


#4 posted 02-03-2014 05:30 PM

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