installing a spiral staircase

curnscorner

I have a 34" x 74 long opening in floor. It is 94 in from top of floor below to next level where this hole is. can I install a spiral staircase in this opening and if so what size diameter do I start with

joecaption

May be better of Googling Spiral stairs.
Almost any of the companys that sell them will be more then helpful to help design what you need.

oh'mike

You need a wider opening----We have a some stair case guys here---one will be along in a minute--

Mean while,I'll google up something for you.--Mike-----

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kwikfishron

You need a minimum clearance of 26" between the inside of the rail and the pole. Depending on the stairs you would need at least a 60" x 60" rough opening.

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oh'mike

Metal Spiral Staircases and Custom Design Staircases by The Iron Shop

I tried to copy the page for you---but it did not work---this company has all of the opening sizes for your typical spiral stairs.

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md2lgyk

That is correct. We have a spiral staircase in our log home (bought a kit and installed it ourselves). Because of the wedge shape of the steps, it's essentially impossible to meet code with a staircase that isn't at least 5 ft in diameter.

You should also know that in some places, a spiral staircase cannot be the primary means of access to a space.

oh'mike

I was wondering about that-----

How would you ever get furniture up one of those?

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itsreallyconc

same way you build a boat in your bsmt that's too large for the door 1 board at a time

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if you hear it from a guy in the apron store, be VERY suspicious the mtl/method will work,,, when it time to build something together, they won't answer phones NOR help
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ddawg16

Use the link by Oh'Mike....we actually have one of those spiral stair cases in the garage....



Easy to install....

A few points.....

As noted above, your opening is not large enough....I got by with a 5'x5' opening (tread width 24")....since it's just a garage....it's fine....if it's a living area, the width has to be more. I think your going to need at least a 5.5 x 5.5 if not larger opening.

Don't get carried away with trying to save money on using less treads....I went with an 8" rise....max should be about 7.5".

Overall, we love the stairs.....the only downside...I wish I had gone a fraction larger.....

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md2lgyk

I guess all your furniture would have to be Ikea - you could assemble it after it's upstairs.

In our log house, the stairs go to the loft area. The entire loft is open to the floor below (with railings, of course). We muscled most of the furniture up there before I installed the railings. The biggest PITA was the Tempurpedic mattress.

Our staircase looks just like the one in ddawg16's picture. It's even the same color.

I can understand why spirals are not legal for primary access in some locations. The take some getting used to, and are tough to negotiate in a hurry.

BigJim

You should install an "I" hook in the ridge board right at the edge of your loft. Then make a pully system with a hook that would hook in the I bolt, when you aren't using it you could store it. If you really want to get creative buy one of the small electric hoists and hang it there when needed.

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Jim

ddawg16

It's actually pretty easy to get stuff up....long items....you just stick it up the opening....other items....I can stand about 2 steps up and just push them onto the landing....

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