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Designer Spiral Staircase #1 Pole-mount

This spiraling staircase is prefabricated from solid-plastic, permanently colored PrimoPlank. It's all maintenance free. It was installed in a 65x65 stair-well.

It is a two colored structure: the balusters,  handrail and spiral stringer are light-oak color; the treads, spacer-blocks and support struts are Chestnut color.

It is built around a sectioned 4-inch OD steel pipe.

 

 

 

 

Each tread is independently supported from below it by a 4x4 angled strut mounted to a spacer block. Both the tread and spacer-block are slipped over the central pipe.

The accessible outside width of the step is 15 inches  (shown below ).

 

 

 

 

 

 

 

At the top of the stair, the spacer-blocks are stacked to create a rigid stair-post for mounting the top platform railing.

The basic stair height is 10 ft- 3¼ in: there are 17 steps  each 7¼" high, giving the basic minimum height of 10'- 3¼".  Any variation in height can be accommodated by our sizing the heights of the spacer-blocks to fit your situation.

 

 A standard height staircase makes 1¼ revolutions (450º).
Staircase can be made to serve a third-story height.

Note: This plastic staircase does not qualify for use as a fire-escape.


  Click here for a real deal on this style staircase for a deck. 


The staircase comes to you totally disassembled -- both layout and assembly instructions are provided along with photos. A baluster height-and-spacer jig is provided with the kit to greatly speed up the railing installation. One skilled contractor can assemble this staircase inside a stairwell by himself in 2 days. Having a semi-skilled helper to pre-assemble the treads and help with the railing could reduce the erection time to a single day.

All assembly hardware is provided. Only non-corrosive Dacronite flared-head screws are used. The 4-inch pipe is to be mounted onto a 3½-inch 20-inch stub pipe, 10 inches of which is cemented into a concrete base. The only item that you will have to provide is the concrete.

You have a choice of any of the 10 colors of above-standard grade PrimoPlank. You can specify a mix of colors for striking effects as we have done here.

You must first communicate your physical situation to us to order this product.

We will not sell this staircase as a do-it-yourself kit; you must have a licensed certified contractor purchase the kit for you -- no exceptions, unless we install it ourselves at your expense.

You will need a powered screwdriver with a multiple-setting clutch-chuck to assemble and erect this kit.  You will also need three 12-inch wood clamps and two 12-inch quick-release clamps
for installing the spiral stringer.


Price

Basic price $ 5900  (height 120 inches ; standard diameter: 65 inches)

Standard: 17 steps. Each additional step $ 400.

Top platform material provided per our standard design. Special configurations are extra.

Colors other than the standard two colors or not used as shown above involve an extra charge.

 

If delivery is to a location outside Mr. Deck's area of operation (click here for list of counties) or in another state, add $ 450 for heavy-duty crating. (Material is packaged in one container: H x W x L = 1.5' x 3.5' x 12.25'  weighing 500+ lbs).

For California destinations sales tax on total including crating must be added.

Prices stated are FOB San Martin, CA -- freight costs are added.  Order must be prepaid in full before shipment. Shipping costs must be paid once they are known after loading. Freight will not be released until payment clears the bank.

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