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Roof Construction By Drew Kelly 12-3-2012. Roof Construction Basics  Roof construction is the single most important structure on your home  Roofs provide.

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Presentation on theme: "Roof Construction By Drew Kelly 12-3-2012. Roof Construction Basics  Roof construction is the single most important structure on your home  Roofs provide."— Presentation transcript:

1 Roof Construction By Drew Kelly

2 Roof Construction Basics  Roof construction is the single most important structure on your home  Roofs provide a structure over your head to keep certain elements away.  Help insulate your house.  And can add a stylish look to your house.

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4 Basics Continued  Two different categories you put roofs into  Flat and Pitch  Flat is where you have any slope that is less than 10 degrees  And pitch is where you have any slope that is greater than 10 degrees.

5 Types of Roofs  The most common type of roof is a pitch roof also called traditional roofs  There are many types of pitch roofs that can be constructed  Here are some of there finished forms

6 Different types of roofs  Gable  Hip  Intersecting  Shed or lean to

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8 Gable  This type of roof is the most common one used  It is simple to make and very cost effective and good for the economy.

9 Hipped  The hip roof has four sloping sides. It is the strongest type of roof because it is braced by four hip rafters.  Very similar to the Gable roof, most commonly used in areas with high winds.  Designed to prevent the wind from pulling it off

10 Intersecting  The intersecting roof consists of a gable and valley, or hip and valley. The valley is formed where the two different sections of the roof meet, generally at a 90° angle.

11 Shed or Lean to  The shed roof, or lean-to, is a roof having only one slope, or pitch. It is used where large buildings are framed under one roof, where hasty or temporary construction is needed, and where sheds or additions are erected.

12 Roof Structures  There are two main types of structures for a traditional roof.  Single roofs  Double roofs

13 Single roofs  Rafters of single roofs do not require any intermediate support. This type of roof has a number of limitations. It can only be used for small spans. If greater spans are required, larger roof sections would be needed  They can be put into three groups  Couple roof – These can be used for building with a clear span of not greater than 3m and pitches less than 40º.  Collar roof – These can be used for buildings with a clear span not exceeding 4mm.

14 Double roof  A double roof is a roof whose rafters are at such a length that they require some sort of intermediate support. This support is usually a beam, which is secured under the rafters at the halfway point between the ridge and the wall plate.

15 Videos  d8H8iTg&feature=related d8H8iTg&feature=related  puWL4w puWL4w


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