What's the T on the roof?

Ventilation holes and smoke exhaust holes.

This is a professional problem. Suitable for ventilation pipes to remove moisture in insulation layer and slope layer. The reason why it is T-shaped is to prevent rainwater from entering. In general, it should be removed after several years of internal drying. Mold processing First, according to the customer's drawings, the wood mold is numerically controlled by the engraving machine.

Chinese characters on the roof are divided into luminous characters and non-luminous characters. Luminous characters are divided into blister characters and LED exposed lamp luminous characters according to materials, and non-luminous characters are divided into titanium characters, stainless steel word characters and paint characters according to materials. Chinese characters on the roof are large-scale advertising characters composed of steel structure supporting frames and metal glyphs.