How Is A Roof Constructed

Piece by piece rafter roof construction however is still the more common construction method for many buildings.

How is a roof constructed.

The trusses are fist stacked on top of the walls either by hand or with a crane. The design of roof includes three main elements. Pre manufactured roof trusses come in a wide variety of styles. The biggest component of roof construction is achieving a suitable design.

Timber trusses also are built in a variety of styles using wood or metal joints. Roof construction is often carried out after the basic framing is complete. Preparing for roof building 1. A contemporary roof regardless of shape or surface material consists of a variety of components that include wood framing sheathing underlayment flashing gutters and of course the shingles or other finished surface.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. The pitch of a roof is the rise the vertical angle of the roof over the run the horizontal. This is done to help even out or distribute the weight of the home. They are on 24 inch centers.

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. For additional stability you can also use steel joists that are built into one or both of the walls. The trusses are tied to the walls with small metal plates. Both single wides and double wides which are basically just two single wides sit on a steel chassis.

These trusses went up in about four hours. Once the trusses are up the roof is covered in plywood or osb which gives the roof tremendous rigidity. To install such a roof a crew first builds a framework for the intended roof. They are designed by the manufacturer for each specific building.

X expert source david bitan. Heavy timber rafters typically spaced 240 cm 8 ft to 370 cm 12 ft apart are called principal rafters. Simple roofs such as a shed or the common gable are fairly easy to construct even without plans if you understand the basics and a little geometry. Steel beams with slight curvatures are welded together to create a cambered chassis.

The plan should consist. Roofing contractor maintenance professional expert interview. Exact specifications vary but most concrete roofs are several inches thick. This will give additional stability to the roof structure.

The illustration here shows how these materials go together to make for a sound roof.