Roof And Roof Covering Ppt

Winds can tear roof coverings from roof decks and can tear roof decks from framing.

Roof and roof covering ppt.

The following are the roof covering materials commonly used for pitched roofs. Thatch covering 2 wood shingles 3 tiles 4. Introduction roof is the uppermost covering provided over a building with a view to protect the building from rain heat wind snow etc. Report on roof and roof covering 1.

Roof systems typically fail when winds produce forces greater than the roof s strength. The part of the roof that overhangs the walls. Report on roof and roof covering 2. Asbestos cement sheets 5.

The roof framing is designed to support the roof covering materials. Galvanized corrugated iron sheets 6. Thatch covering this is the cheapest roof covering commonly used in villages. Roofs can also fail if punctured by wind borne debris.

Framing must be strong and rigid. Ventilation has become more important as a result of increased standards of insulation. Roof coverings as materials systems or fasteners can be weakened from extensive corrosion. Roof framing consists of several distinct structural elements.

A roof consists of a frame work supported on walls or columns. Common rafters are perpendicular to the wall plate and extend from the ridge. To remove water vapour and prevent condensation.