... 4. Environment friendly specifictions:1.size:12x10 feetpanel and roof thickness:0.26mmroof type:triangle roofdoor:double panel door ... EPS,rockwool sandwich panel8. Purlin: tube metal9. Roof Ridge: color steel sheet10.Roof Truss: Angle steel 11.Rust Proof of buildingg: ... information:1. Dimension: Length, width, height, eave height, roof pitch, etc.2. Doors and windows: Dimension, quantity, position ...