Indoor or Outdoor Carbon Steel Spiral Staircase

• Structure: Spiral
• Bench: Multi Stair
• Type: Special Stairs
• Material: Metal
• Usage: Indoor, Outdoor
• Stair Type: Spiral Stair
• Model NO.: DB-S2044
• Application: Building
• Installation: Screw Fixed
• Transport Package: Plywood
• Specification: beam+tread+railing
• Trademark: Double
• Origin: China
• Production Capacity: 1000sets/Month

Product Description

Indoor or Outdoor Carbon Steel Spiral Staircase
 

1. More than 10 years manufacture staircase and export experience

2. No MOQ.
3. All the size and configuration can customized as per client opinions.
4. Meet local building standard.
5. Profesional Team do the suggestion for you as per your job site situation.
6. Exactly Estimate for you.
7. Many years experience engineer to design the shop drawing for you.
8. 24 online sales serviser to solve your questions.
9. Accept any test company to our factory do test.
10. 100% good feedback from oversea customer.
11. 5 Years goods quality guarantee.

So if you are a builder or house owner, and if you need the staircase, please don't hesitate to contact us. We sure you will be satisfied with our work.

Staircase Data
* In order to get a precisions staircase price for you, we would like to know following place data. Also if you have the drawing or layout, please kindly send it to us. Then we can better learned your job site dimensions and situations.

Length ( L )	Deciding the shape of staircase
Width ( W )	Deciding tread length
Floor height ( H )	Deciding the riser and step quantity
Beam thickness ( A )	Deciding the fix position

Spiral Staircase Design




3D Model Details







Specification & Dimensions

Spiral Staircase Basic Configuration
Structure	Stringer + Tread Support + Ttread + Staircase Railing + Top-Handrail
Stringer	Mono-Stringer	200*100*5mm, 200*150*5mm,100*150*5mm
	Floating Stringer	300*12mm , 300*10mm
	Plate Stringer	300*(5+5)mm, 300*(6+6)mm, 300*12mm, 300*10mm
Tread	1. Wood Tread-- Tailand Oak, Beech, American Oak,  European Oak 2. Steel Tread-- Stainless steel / Carbon steel 3. Glass Tread 4. Marble Tread Other kind of tread , we can also supply it for you.
Railing	Glass Railing
	Metal Railing
	Customized Railing ( Please send the picture to us, then we can customized it for you.)
Top-Handrail	Wood Handrail: Solid wood, PVC Φ42.4mm/38mm/50.8mm 40*40mm/50*50mm	Steel Handrail: Stainless steel 304/316; carbon steel handrail Φ42.4mm/38mm/50.8mm 40*40mm/50*50mm
Materials	Carbon Steel / Stainless steel / A3 Steel  The selection of materials will be based on the customer's site conditions and requirements for configuration.
Dimensions
Tread length= 900-1200mm ( Normally ), Staircase Railing height=950mm
Wood tread	40-60mm thickness  For floating staircase it normally is 80mm thickness.
Steel Tread	4-8mm thickness steel tread
Glass Tread	10+1.52+10+1.52+10mm / 12+1.52+12mm laminated glass
Marble Tread	16-20mm thickness nature marble

Shop Drawing & Trial-Assemble





Delivery &Package



Company Profile
     Double building materials Co.,Ltd was found on 2000 years. we own a staircase factory which focus on the staircase, railing item design and manufacture we also take a share in a window&door factory and cabinet factory , so we can supply various types of items such as staircase , balustrade,window&door ,kitchen cabinet , wardrobes, vanity and shower products etc.
   Now you find us , Everything will become easy , Just send us your house plan,Our team will provide one-top solution for you.


FAQ
  *  when can you delivery the goods?
   Whinin 35 days after you confirm the drawing.
  *  Is this instalation easy?
    Yes , our products are easy to install and don't need to be welded and processed again.
  *  Do you have any other products or styles in your company?
    yes ,  our company mainly runs the stairs , the railing and the windows and doors. we offer one-top solution service , and if you want to find other styles you can click on our company and look for it.
  *  Can you customized it for us? 
    Sure , we can customize it.
  *  How about your quality?
     Our quality is strictly manufactured according to the standar of country and is certified by the state.