Advantages: -Individual designing of wooden house -Standard projects of wooden house -Installation Instructions supported Ultra-large garden wooden house Material:SPF Size:15800 (L)*14800(w) mm Downstairs:184.0sqm Upstairs :122.4sqmTerrace: 19.6sqm Balcony: 13.9sqm Total area: 339.9sqm Thinckness of the wall:72mm Thickness of the roof: 17mm Thickness of the floor: 36mm Including:windows,doors, ...