Flat Roof Framing Terminology

Roof framing terms are related to the parts of a triangle.

Flat roof framing terminology.

Roof features associated with basic roof framing terms are shown in figure 2 2. This will help you create a flat roof framing plan. Roof shapes differ greatly from region to region. 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.

Roof terminology is also not rigidly defined. 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. Part of a flat roof structure that receives the ends of the flat roof joists. The first approach to achieving a strong durable struc.

In many parts of the english speaking world surveyors property writers and builders have. 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. Details for conventional wood frame construction. Roof framing involves a lexicon all its own.

When repairing or replacing a roof it pays to be familiar with these terms. The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering. A flat roof has a slope of 1 8 per foot to 2 12. Here is a closer look at common roofing terms.

Collar ties rafter ties tension beams structural ridge beams. In the following section we ll cover some of the more common roof and rafter terms you ll need. Flat roofs are always built at a slight incline at least 1 8 inch per foot. If you build a flat roof try to have it slope in multiple directions to drains or gutters.

Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more. Some of these can support the roof and prevent ridge sagging and wall spreading. Usages vary slightly from region to region or from one builder or architect to another. American forest paper association wood construction data 1.

Think of a flattened hip roof. Between the vertical faces of walls or framing and pitched roofs flat roofs gutters. It is not ideal for snow or heavy rain but modern materials and proper drainage have helped. A soffit is an exterior or interior architectural feature generally the horizontal aloft underside of any construction element.

Terminology used to describe building components and construction might as well. Framing terms knowing the basic vocabulary is a necessary part of your work as a builder. Some roofs actually slope in several directions ensuring optimal water runoff. 3 part of a suspended timber floor construction that provides a level bearing and.