Main steel structure: Made of 2.3mm thick galvanized steel with RAL 7021 (black gray high gloss) industrial paint coating on the surface, featuring excellent corrosion resistance.
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• Roof system: 40mm IEPS sandwich panel (0.476mm galvanized steel sheet surface layer), with an 80mm purlin space reserved between the roof and ceiling, supporting additional filling of rock wool or glass wool to optimize thermal performance in extremely cold environments.
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• Wall structure: Main body adopts 50mm EPS sandwich panel, externally clad with 16mm metal carved board, and internally lined with 8mm bamboo-wood fiber board (oak color for bedrooms) or 8mm carbon crystal board (Jazz white for bathrooms), achieving multi-layer composite thermal insulation and sound insulation.
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• High-standard curtain wall: Equipped with 5+9+5 mm triple-layer tempered glass curtain wall and built-in top-hung venti