Termite proof versatile lightweight steel structural frames
Last one：Direct factory prefab lightgauge steel strucutural system
The riveting of the components of the roof truss made of Al-Zn coated lightweight steel.
water resistant layer is a must and need fixing firmly on the roof .
The water proof asphalt roofing tiles being installed.
Next article：High quality Al Zn coated G550 lightweight steel framing