The bottom frame is connected with screws to the bottom beam and the bottom side beam, purlin 8*4 square pipe x9 are connected with screws

Each column is fixed with six sets of hex bolts, and the column screws do not need to be tightened

Use a line drop and a level to measure the perpendicularity of the column

The top frame is connected to the top beam and the top side beam with screws, and the drainage hole faces outward.

Install five top purlins

Install three transverse square tubes and fix them at the welding Angle of the top short beam.

Four columns for downspouts

Install 831 ceiling tiles 8 pieces

Top with rock wool roll

Install roof shingles

The edge of the ceiling tile should be sealed with a rubber hammer. It is strictly forbidden to step on the roof single tile directly during construction. Two square pipes need to be prepared to assist construction before stepping on square pipes.

Install the cement pressure panel. 1.6 Evenly install the plastic floor. Install wall panels and doors and Windows