Commercial Building Interior Solid Wood Steel Used Spiral Staircase Design

• Customization: Available
• Structure: Curved
• Bench: Multi Stair
• Model NO.: DB-S12369
• Material: Steel-Wood
• Usage: Indoor, Outdoor
• Stair Type: Arc Stair
• Application: Building
• Installation: DIY Install
• Surface: Powder Coated
• Materials: Carbon Steel / SUS304,316
• Size: Customized
• Transport Package: Plywood
• Specification: stringer + tread + railing
• Trademark: Double
• Origin: China
• Production Capacity: 50 Set/Month

Product Description

Commercial building interior solid wood steel used spiral staircase design

√ More than 10 years manufacture staircase and export experience
√ No MOQ.
√ All the size and configuration can customized as per client opinions.
√ Meet local building standard.
√ Profesional Team do the suggestion for you as per your job site situation.
√ Exactly Estimate for you.
√ Many years experience engineer to design the shop drawing for you.
√ 24 online sales serviser to solve your questions.
√ Accept any test company to our factory do test.
√ 100% good feedback from oversea customer.
√ 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.







* How to get the precision quotation ?
A: if you have the drawing or layout , please send it to us. Then we can check all the details in the drawing. In this way, we can better understand your job site situations.
-------The staircase data we need to know as below:

Staircase Specification

Curved 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

Structure Details


Staircase 3D drawing

Stairs Trial-Assemble Pictures


Technology Stairs Shop Drawing


Feedback From Client


Shipping & Package

* In order to make the goods perfect in front of you, all our goods are packed in fully enclosed wooden boxes.
* Glass we will use foam partitions in wooden boxes.
* Hope you will be satisfied after you received the goods.

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.


If you would like to choose more designs, please click here: https://doublebuilding.en.made-in-china.com/


FAQ
1. What is your minimum quanlity order?
A: One set. 

2. Are you trading company or manufacturer ?
A: We are a manufacturer in China. We have own factory in Foshan.

3. What is your term of payment?
A: 30-50% TT for deposit, balance before the shipping.

4. Can you accept the Alibaba trade insurance oder?
A: Yes, of course. We are happy to use Trade insurance to confirm the order on Alibaba.

5. Can you supply the sample?
A: Yes. we can supply the sample of staircase part. Also all the sample cost will be refunded after you place the order.

6. When you can delivery the goods?
A: Within 35 days after you confirm the shop drawing.

7. Is this instalation easy?
A: Yes , our products are easy to install and don't need to be welded and processed again.

8. Can you customized it for us? 
A: Our goods normally is customized as per client job site dimensions and situations.


If you are interested, please send the inquiry to us. Then we can show more details to you. Thanks