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Bed frame tolerance

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Forum topic by Pabs posted 12-04-2017 07:50 PM 248 views 0 times favorited 12 replies Add to Favorites Watch
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Pabs

228 posts in 3288 days


12-04-2017 07:50 PM

hey guys

About to start a bed project. Making a bed frame for my girlfriend’s son.

he’s getting a full/double mattress (75” long and 54” wide)

here’s the model I’ll be copying

extremely simple design but I’m wondering what the space tolerances are for something like this. would you make the inside measurement to math the mattress exactly or leave a bit ? 1/4” or 1/2” extra overall maybe? in my mind exact would work and keep the mattress snug and keep it from moving any.. but figured I would ask in case there’s something obvious I’m not thinking about and will regret once boards are cut :)

thanks

P

-- Pabs


12 replies so far

View bondogaposis's profile

bondogaposis

4477 posts in 2186 days


#1 posted 12-04-2017 08:00 PM

Get the mattress first, then you will know.

-- Bondo Gaposis

View Pabs's profile

Pabs

228 posts in 3288 days


#2 posted 12-04-2017 08:11 PM

well, access to mattress is difficult as it’s rolled up (high density foam). if I open It will expand and make it hard to get to her house after :)

-- Pabs

View Monte Pittman's profile

Monte Pittman

27057 posts in 2173 days


#3 posted 12-04-2017 08:28 PM

I allow 1” extra for total width and total length for tolerance. I make the lip 2” over the deck.

-- Mother Nature created it, I just assemble it.

View DS's profile

DS

2821 posts in 2255 days


#4 posted 12-04-2017 09:03 PM

You want to allow some room for the bed sheets and access for tucking them in, etc.
I am with Monte on this one – about 1” each way.

No need to make it recess very deep into the frame though – just a couple inches.
(@Monte – you’ve done this before!!!)

-- "Hard work is not defined by the difficulty of the task as much as a person's desire to perform it.", DS251

View Rick_M's profile

Rick_M

10610 posts in 2215 days


#5 posted 12-05-2017 02:03 PM

Call the mattress manufacturer.

-- http://thewoodknack.blogspot.com/

View johnstoneb's profile

johnstoneb

2634 posts in 2007 days


#6 posted 12-05-2017 02:07 PM

Measure the mattress. Mattresses are never the advertised size they can vary as much as 2” or more. DAMHIKT

-- Bruce, Boise, ID

View Mikesawdust's profile

Mikesawdust

324 posts in 2874 days


#7 posted 12-05-2017 02:08 PM

one inch should be fine, I might stretch it to 1.5 on length if the footboard is high, winter blankets are thick

-- You never cut a piece to short, you are just prepping that piece for a future project

View pontic's profile

pontic

500 posts in 443 days


#8 posted 12-05-2017 02:15 PM

If the box spring protrudes above the frame just make it 1/2” tolerance. The mattras will not be effected by thick bedding if this is the case.
If not then use 1.5” tolerance if you are in wintrey climates.

-- Illigitimii non carburundum sum

View dhazelton's profile

dhazelton

2608 posts in 2131 days


#9 posted 12-05-2017 02:19 PM

Only issue I see with setting the foam mattress down into a short box is that his hands will get all banged up against the lip that is essentially the rails. I would round them over or else it’s gonna end up scraping some knuckles.

View Kaleb the Swede's profile

Kaleb the Swede

1794 posts in 1804 days


#10 posted 12-05-2017 02:52 PM

I left 1 inch extra for the mattress for our bed. Worst case you could add a spacer to take it up if the mattress is much shorter.

Looks like a nice gift for your girlfriends son

-- Just trying to build something beautiful

View jonah's profile

jonah

1447 posts in 3133 days


#11 posted 12-05-2017 03:15 PM

I knew the exact size of my mattress, so I went with a total of 1” (1/2” either side and front/back) of extra clearance on my bed build. If I didn’t know the mattress, I’d probably go with the crowd and put 1” of extra room on all sides.

View Pabs's profile

Pabs

228 posts in 3288 days


#12 posted 12-05-2017 03:37 PM

some great tips gang, I’ll go the extra inch as many have suggested

thanks!

-- Pabs

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