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Bed frame tolerance

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Forum topic by Pabs posted 12-04-2017 07:50 PM 364 views 0 times favorited 12 replies Add to Favorites Watch
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Pabs

230 posts in 3357 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

4597 posts in 2255 days


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

Get the mattress first, then you will know.

-- Bondo Gaposis

View Pabs's profile

Pabs

230 posts in 3357 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

28157 posts in 2242 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

2855 posts in 2324 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

11099 posts in 2284 days


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

Call the mattress manufacturer.

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

View johnstoneb's profile

johnstoneb

2786 posts in 2076 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

325 posts in 2943 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

558 posts in 512 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

2686 posts in 2200 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

1807 posts in 1873 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

1572 posts in 3202 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

230 posts in 3357 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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