How thick lumber should I buy for interior door ?

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Forum topic by Dmitriy_S posted 07-14-2018 01:08 AM 482 views 0 times favorited 6 replies Add to Favorites Watch
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07-14-2018 01:08 AM

I’m a noob. This is my first project. I want to build interior door using walnut lumber. Finished door thickness should be 1 3/8 inch. I cannot decide between 6/4 and 8/4 lumber. Please advice, what thickness should I start with ?

thank you in advance.

6 replies so far

View bondogaposis's profile


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#1 posted 07-14-2018 01:17 AM

You making frame and panel door or hollow door?

-- Bondo Gaposis

View Rich's profile


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#2 posted 07-14-2018 01:23 AM

I start with 8/4 lumber just to play it safe. 6/4 is likely going to be 1-3/8 to 1-7/16 inch to start with and just doesn’t give you enough wiggle room.

For an interior door you can get by with 4/4 for your panels though, since the groove on the stick cuts will be 3/8”, you still have plenty to properly do a raised panel.

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

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12 posts in 411 days

#3 posted 07-14-2018 01:28 AM

It will frame and panel door.

View 000's profile


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#4 posted 07-14-2018 03:43 AM

This is the quickest, easiest and smartest way to build the project you desire.

- kjalal

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#5 posted 07-14-2018 03:53 AM

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12 posts in 411 days

#6 posted 07-14-2018 04:17 AM

Looks like 8/4 is the conclusion.

Thank you all.

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