We are interested in your prefabricated houses.Would you please be back to our required details as belowOur inquiries of your houses will be for 75m2, 120m2 and 250m2.A) How to fix Foundation groundwork with the houses?1)Waste water + Plumbing systems how to connect to city sewerage systems?2)What is the Weather resistance and humidity isolation materials?3)House foundation colums are wooden or steel?4)Which kind of materials can be use for Exterior weather resistance walls?Your soonest response will be evaluate immediately.Country:Turkey