Kamran noorikazaj - Master of Architecture, Technical and Vocational University,
Amir Akhrati - Undergraduate student of Technical and Vocational University
Javad Fekri - Undergraduate student of Technical and Vocational University

Roofs are an essential part of any building. Because of it against the rain, sun, wind, Protects against heat and cold. Roof integrity for the structure of the building itself as well as for residents and stored goods Inside the building is important. The structure of the roofs should be designed in such a way that against the dead load caused by the roof and framing and, also resist wind forces and snow or dust in some areas. Your ceiling can adjust the volume of the space. Style The ceiling is very important for the sense of spaciousness, decoration decisions and even the resale value of a house; But different types The ceiling is proportional to the specific height of a room and the architectural style of the house Roofs must be leak-proof and durable, and may require other requirements such as fire resistance, good thermal insulation or capacity. Satisfy high heat. There is a wide range of roof shapes, frames and coverings to choose from. This choice depends on factors .like the; The size and use of the building, life and appearance are predicted and the availability and cost of materials are related.

Sustainable architecture, temperate climate, passive architecture, sloping roof .