Roof Members And Their Dimensions

There are two basic methods of pitched roof construction.

Roof members and their dimensions.

Canopies or awnings extending not more than 54 inches 1 4 m from the exterior wall of the building. They vary in size depending on their length and spacing. Dimensions matter as do the total amount of feet. With the diagram above applying pythagoras theorem x 2 rafter length 4 5 2 3 5 2.

The members making up the main body of the framework of all roofs are called rafters. Platforms walks and driveways. A hip rafter extends from the wall plate to the ridge in the angle of a hip roof. In roof area used as storage sheds playhouses and similar uses.

A roof is the top covering of a building including all materials and constructions necessary to support it on the walls of the building or on uprights providing protection against rain snow sunlight extremes of temperature and wind. A purlin is a horizontal piece of timber or metal which supports the roof s rafters or decking and helps to prevent your roof from sagging. They do for the roof what the joists do for the floor and what the studs do for the wall. Their main purpose is to support the joists and allow for shorter joists to be installed.

Pitched roof construction. Often you can get discounts for using certain types of metal or asphalt so always make sure that you check out these options when running all the numbers. Wire fences and other fences not over 6 feet 1 8 m in height. The characteristics of a roof are dependent upon the purpose of the building that it covers the available roofing.

This is especially true with shingle roofs both metal and asphalt. Retaining walls of 4 feet 1 2 m or less in height level backfill. A roof is part of the building envelope. The tops of the inclined.

For example a steel roof will typically cost less than an aluminum roof.