Main structure is made by heavy H steel, both roof beam and column use H steel as the part, this type materials is easy to install, no need heavy crane truck when assemble it, also it is free maintanece strcucture, life time is more than 70 years.
The main structure support is made by angle steel, all painting to be white color. The support between purlin use round steel and pipe.
Roof purlin: galvanized C steel, common choice for standard steel structure workshop building.
Side purlin: galvanized C steel, the steel get galvanized manufacture treatment will get a longer life time.
Roof sheet: use V840 steel sheet panel as standard roof cover, which is a popular choice for most of the workshop roof cover.
Wall sheet: use aluminum plastic panel las wall panel, which is easy maintenance for after installation.
Rain gutter: Inner gutter use galvanized steel gutter, so that the gutter life time is long and no need maintenance in future. Out gutter used steel sheet gutter to get a easy installation process.
Downpipe: Plastic pipe with life time 60 years guarantee, no need maintenance in workshop life time
5.Connection part: foundation bolt use 10.9s high strength bolt, and we add 2 pcs more for each connection part to ensure building connection is strong enough and performance perfect.