Item

traditional welding steel structure car shed

assembly aluminum alloy membrane structure car shed

Result

frame

material

common iron

Customized aluminum alloy section

No processing and assembling on site

welding

arc welding on site

argon arc welding in factory

stronger

surface treatment

Paint spraying on site

Spraying in factory

anti-rust and anti-corrosion resistance up to 3 years

process

Cutting and welding on site

Screw coupling on site

Installation efficiency improved

Membrane structure

Material

Common membrane material

Anti-wicking membrane structure

B1 fire resistance, self-cleaning, mould proof

Quality

Low stretch, proteiform

 Stretching resistance, nondeformable

Low deformation, no ponding

Service lifetime

5 years

15 years

Lifetime increased

Coupling

Welding fabric, tape coupling

Full width, card slot structure

Easy to install and change

Installation

Substrate

Pre-buried

Bolt embedded bar

Save time and labour cost

Coupling

Cutting, welding, polish and paint on site

Bolt coupling as the instruction

Save time and labour cost

Hoist

With the help of crane

No hoist

Quick installation, low labour cost

Time

More than half month

3 days

Save time and labour cost

Labour cost

High

low

Low labour cost

Assemble and disassemble

cutting, welding, polishing and painting for second time

Installation again with disassembled bolts

Simple disassemble

Maintainance

Anti-rust and anti-corrosion treatment every year

Free from anti-rust and anti-corrosion treatment

No maintainance cost

Cost performance

Cost per square meters

High

low

strong market competitiveness in lifetime, installation efficiency, maintainance cost and disassemble