Steel Sandwich Panel Prefab Modular Houses for Staff Toilet and Shower Ⅰ. Product Description The prefabricated house is a modular building system, there are its standard dimensions, the length could be N*K (K=1800mm), and the height could be 3P, 6P or 9P (P=950mm, 3P is single floor, 6P is two floors and 9P is three floors).  This is a prefabricated house with a single-slope roof, used as staff toilets, each room has 11 close stools, 6 wash basins. If you don't have a drawing, please provide us with as much information as possible, such as: number of staff, land area, level of building, budget, etc. We will customize a design for you according to your needs. Prefab House Material List | Part I. Main Parts | Spec. | 1 | Wall Panel (50mm Rock Wool sandwich panel) | Wall Panel: 50mm 50kg/m3 rock wool sandwich panel,( 0.40mm steel plate on both sides); Color is common color: White gray | 2 | Roof Panel (50mm Rock Wool Sandwich Panel) | Roof Panel: 50mm 50kg/m3 rock wool sandwich panel (0.40mm blue steel plate on both sides) Color is common color: Blue | 3 | Steel Frame (Roof Truss) | Steel column: Double C80×40×1.8 Herringbone beam:C80×40×1.8,C50×40×1.8; Horizontal beam:C80×40×1.8, C50×40×1.8; Grade beam:C80×40×1.8; Ring beams:C80×40×1.8: Roof purlins:C50×40×1.8; Lateral support:L40×3.0; Control rod:φ8 | 4 | Ceiling | 7.5mm Plasterboard Ceiling Size: 600*600mm Include: 1. PVC board 2. Painted keel 3. Side keel 4. Coated iron wire Features: 1. Good sound insulation and thermal insulation performance 2. Proper adjustment of indoor humidity | 5 | Stairs | Include: 1.Small Terrance 2.Armrest 3.Stair Size:1000mm Wide Material: Steel Structure and coat Feature: 1. Durable 2. Not easy to paint off | 6 | Walkway Board | Material: Steel frame and Coat Size:1m wide Feature: 1.Durable 2.Not easy to paint off | 7 | Metal Railing | Surface tube 40 × 80 × 1.2, bar 32 × 32 × 1.8 Vertical dry 19 × 19 × 0.8, Column 40 × 40 × 1.2 Material:Steel structure | Part II. Windows, Doors and Accessories | 8 | Door | Include: Steel door, Lock Size:800*2000mm Material: Iron and paint | 9 | Window | Size:930mm*1100m Include: Steel plastic sliding window with single glass with burglar mesh. Glass thickness: 1.8mm | 10 | Floor Leather | Material: PVC Thickness: 1.6mm Features: moisture proof; wear resisting; anti-corrosive and thermal insulation. 1.6 mm PVC Floor Leather Feathers: Excellent appearance, affordable, easy to clean and green environmental protection; | Part III. Installation Accessories | 11 | Sealant | Used for the joints of doors and windows for better waterproof. | 12 | Structure Adhesive | Used for the reinforcement and seal of the steel frames. | 13 | Screws | Include: rivets, bolts, drill tail screw; | |