Roof Covering Ppt
Load and pressure requirements are contained in section r301.
Roof covering ppt. Section r301 2 1 requires that roof coverings resist the c c loads listed in table r301 2 2 as a function of basic wind speed and roof slope. Roof coverings pitched roofs rely on gravity to move the water down the slope coverings keep the rain out by overlapping flat roofs water may stand on a flat roof so the covering has to be completely water tight. Pitched roof coverings can be anything from sheet lead to thatch on new conventional houses the most. Introduction roof is the uppermost covering provided over a building with a view to protect the building from rain heat wind snow etc.
Ventilation has become more important as a result of increased standards of insulation. The part of the roof covering that overhangs the gable wall roofing ventilationfor roofs serves the same purpose as for all other locations i e. Consideration points for roof a roof should be 1. Roof types and roof covering.
Almeida roofing choose best roofing materials for your home. Report on roof and roof covering 1. This presentation describes some roofing materials that is use by roof replacement companies which can help to choose the best type of roof covering. Requirements for individual roof covering systems e g asphalt shingles clay or concrete tile etc are listed in section r905.
A roof consists of a frame work supported on walls or columns. To remove water vapour and prevent condensation.