Roof framing terms are related to the parts of a triangle.
Flat roof framing terminology.
Collar ties rafter ties tension beams structural ridge beams.
Part of a flat roof structure that receives the ends of the flat roof joists.
Includes illustrations that show roofs have hip rafters ridge boards jack rafters and more.
Details for conventional wood frame construction.
American forest paper association wood construction data 1.
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.
Between the vertical faces of walls or framing and pitched roofs flat roofs gutters.
You can do this with a foam layer that exactly fits your roof.
Roof terminology is also not rigidly defined.
In many parts of the english speaking world surveyors property writers and builders have.
The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering.
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.
Roof features associated with basic roof framing terms are shown in figure 2 2.
A soffit is an exterior or interior architectural feature generally the horizontal aloft underside of any construction element.
When repairing or replacing a roof it pays to be familiar with these terms.
This will help you create a flat roof framing plan.
Roof framing involves a lexicon all its own.
Some roofs actually slope in several directions ensuring optimal water runoff.
The first approach to achieving a strong durable struc.
Framing terms knowing the basic vocabulary is a necessary part of your work as a builder.
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.
Roof shapes differ greatly from region to region.
Flat roofs are always built at a slight incline at least 1 8 inch per foot.
Think of a flattened hip roof.
Usages vary slightly from region to region or from one builder or architect to another.
It is not ideal for snow or heavy rain but modern materials and proper drainage have helped.
In the following section we ll cover some of the more common roof and rafter terms you ll need.
When framing a flat roof you will need to create a slight incline.
Terminology used to describe building components and construction might as well.
A flat roof has a slope of 1 8 per foot to 2 12.
If you build a flat roof try to have it slope in multiple directions to drains or gutters.
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.
