Use of MDF for doors

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Forum topic by BobD posted 06-09-2013 04:25 AM 1189 views 0 times favorited 2 replies Add to Favorites Watch
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52 posts in 3382 days

06-09-2013 04:25 AM

I’m organizing my garage by building closets with sliding bypass doors. I am using MDf to make the actual closet walls (attached to 2×4 studs as the structure or frame). The MDF is 3/4”. I want to make the bypass sliding doors using lower mounted rolling wheels (the kind used for mirrored doors because I don’t like the upper mounted rollers where the door hang on the nylon rollers mounting hardware). My question is….does anyone have any comments or suggestions with regard to the actual sliding doors? Can I use 1/2” MDf for the doors while I use 3/4” MDf for the walls? Would that look funny to have two different thickness’ of MDF on the same closet? Would there be any warping or twisting using 1/2” MDF?

-- Bob, San Diego

2 replies so far

View Lee Barker's profile

Lee Barker

2170 posts in 2819 days

#1 posted 06-09-2013 04:36 AM

Bob, you don’t mention anything about finishing the MDF. The edges are particularly prone to taking in moisture which would result in thickening more than warping or twisting.

At the very least I’d edgeband the doors. Finishing beyond that would be advised but perhaps not necessary in your climate.

Two different thicknesses of material are a non issue.

The hardware you choose will drive what thickness of door you can use.

I’ve got a first line for a rap song there.



-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View RogerInColorado's profile


321 posts in 1923 days

#2 posted 06-09-2013 04:44 AM

Go to the library and check out ShopNotes issue # 77. They used the kind of sliding doors you are talking about. It’s a place to start. They used rail and style panels with Pegboard panels. You could substitute 1/4 (or 1/2) inch hard board or MDF.

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