Flat Roof Framing Terminology

Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.

Flat roof framing terminology.

3 part of a suspended timber floor construction that provides a level bearing and. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof. Usages vary slightly from region to region or from one builder or architect to another.

When framing a flat roof you will need to create a slight incline. When repairing or replacing a roof it pays to be familiar with these terms. In many parts of the english speaking world surveyors property writers and builders have. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder.

A flat roof has a slope of 1 8 per foot to 2 12. Flat roofs are always built at a slight incline at least 1 8 inch per foot. The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering. Some of these can support the roof and prevent ridge sagging and wall spreading.

Roof shapes differ greatly from region to region. Roof framing terms are related to the parts of a triangle. The first approach to achieving a strong durable struc. Terminology used to describe building components and construction might as well.

Details for conventional wood frame construction. This will help you create a flat roof framing plan. Think of a flattened hip roof. American forest paper association wood construction data 1.

Roof features associated with basic roof framing terms are shown in figure 2 2. Roof framing involves a lexicon all its own. Part of a flat roof structure that receives the ends of the flat roof joists. You can do this with a foam layer that exactly fits your roof.

Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. If you build a flat roof try to have it slope in multiple directions to drains or gutters. Here is a closer look at common roofing terms. Its archetypal form sometimes incorporating or implying the projection of beams is the underside of eaves to connect a retaining wall to projecting edge s of the roof.

A soffit is an exterior or interior architectural feature generally the horizontal aloft underside of any construction element. In the following section we ll cover some of the more common roof and rafter terms you ll need. Roof terminology is also not rigidly defined. Between the vertical faces of walls or framing and pitched roofs flat roofs gutters.