Spiral staircase is made to measure. Each model supplied is unique to the setting with the height, width and materials specified before production. The minumum diameter of this staircase need to be upto 1300mm. Could be suitable as the main stair in a house.
	 
		 
		SPIRAL STAIRCASE SPEC:
	 
		 
		Entry and Exit points.
	 
		One of the most common questions we get asked is “where does the spiral start and finish”. The rotation of a spiral staircase is determined by: 
		
	
		
			
				
	
	
					 
				
						Center Column
					 
					
						102*4mm
					 
				
					 
				
						Column
					 
					
						114*4mm
					 
				
					 
				
						Treads
					 
					
						4mm Diamond Plates Carbon Steel-Powder Coated
					 
				
					 
				
						Spindles
					 
					
						Ø 25mm Carbon Steel-Powder Coated
					 
				
					 
				
						Handrail
					 
					
						Ø 42mm Carbon Steel-Powder Coated
					 
				
					 
				
						Tread Support
					 
					
						Ø 25mm Carbon Steel-Powder Coated
					 
				
					 
				
						Balustrade Type
					 
					
						Vertical Spindles
					 
				
					 
				
						Finish Of Steel
					 
					
						Carbon Steel-Powder Coated
					 
				
					 
				
						Diameter
					 
					
						Min 1300mm
					 
				
					 
			
		
						Additional
					 
					
						Landing Balustrade-Included
					 
				
	
The floor to floor height (which specifies the number of treads)
The diameter of the spiral (smaller diameters generally have a larger tread segments)
The shape and size of the top platform
Building regulations (they stipulate a minimum tread depth (going) and maximum height (riser) of each step.
	
	
	
Contactor:Cyan Yang
Phone:86-13687044640
Email:sales28@primabuilder.com
Comapny:Shenzhen Prima Industry Co., Ltd
Address:13th floor, Jia Anda Building, NO.110, Huafan Road, Longhua District, Shenzhen City, Guangdong Province, China 511700