Exterior Spiral Strairs from Precision Pine (pricelist below)

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Exterior Spirals: The design of the Smart Spiral Handrail lends itself to exterior applications that can last indefinitely. Exterior spiral stairs provide a unique appearance for decks and save room. Exterior spiral stairs of wood are not as austere looking as metal spiral stairs. Precision Pine's exterior spirals are manufactured out of pressure-treated Southern Yellow Pine. Stainless steel is used for all fasteners.

These prices are for kits up to 11 treads (12 rises). For taller stairs see the note below the charts. The spiral sizes below DO NOT meet national building codes. Scroll down for spiral sizes that do meet national building codes. Check with your building inspector if you are not sure whether your stair needs to meet building codes.
Diameter 4'-0" 4'-6" 5'-0"
Additional treads to go above 114"
Smart Spiral Exterior (treated pine) $2,450 $2,665 $2,875 $220.00
Balusters Per Tread
3 3 3 or 4  

Suggested finished opening sizes.

52" x 52"
58" x 58"
64" x 64"
 

The spiral sizes below DO MEET national building codes

Diameter 5'-1" 5'-7" 6'-0"
6'-6"

7'0"

Additional treads to go above 114"
Smart Spiral Exterior (treated pine)
 $3,310 $3,015 $3,885 $4,655 $5,125 $220.00
Balusters Per Tread
4 3 or 4 4 5 5  
Suggested finished opening sizes.
65" x 65"
71" x 71"
76" x 76"
82" x 82"
88" x 88"
 

Stairs taller than 9'-6" (114"): for each additional tread required add $220. Each additional tread adds up to 9-1/2" to stair height. Example: heights from over 114" up to 123-1/2" require one additional tread, add $220 to the above prices; heights of over 123-1/2" up to 132", add two treads, $440; over 132" up to 141-1/2", add three treads, $660.

Exterior spiral stairs do not include the top landing deck and top landing rails. These are to be built of locally available exterior deck materials that can be procured more economically than if they were included in the kit.

Precision Pine, Inc.,
7322 Hodges Ferry Road,
Knoxville,Tennessee 37920

Phone (865) 573-5322
Toll free (877) 885-8902
Fax (865) 573-0143
email:
spiralstairs@earthlink.net