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Building Construction Materials and Techniques by P.Purushothama Raj

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25

ROOFS AND ROOF COVERINGS

25.1 INTRODUCTION

Roof is the upper most part of a building which is constructed on structural members and provided with a covering material. The sole aim of roof is to enclose the space securely and protect the building and the occupants from atmospheric effects like sun, wind, rain, snow, etc. A roof is as important as that of a foundation.

Roofs are constructed keeping in view the weather conditions of the location, the material availability, architectural considerations, heat insulation, ventilation, strength and stability, etc.

The olden and conventional type of roof is sloping roofs which were used based on the availability of material. Such roofs have been improved with invention of new materials like steel, ...

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