Flat Roof With Exposed Rafters

What is a roof rafter.

Flat roof with exposed rafters.

The same roof has a 4 12 or 1 3 pitch. For example you can span a 1 grade no knots southern yellow pine a greater distance than a 2 grade with knots southern yellow pine. Of course you don t need to live in a modern house to deal with a flat roof. Building with them is known as stick framing.

Jan 18 2018 explore maxwell link s board exposed rafters on pinterest. See more ideas about exposed rafters house design house. Slope a roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof.

The lengths and sizes of joists vary depending on the species and quality of the lumber used. The 1 grade. Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. They are nailed securely to exterior wall plates and to each other.

Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. When restoring an old home it has become very common to expose wood beams adding to the charming history of the home. Exposed ceiling trusses adds a stylish visual aesthetic to any living space in your home making it feel warm and cozy not to mention it is very in trend. The rafters in a flat roof serve as ceiling joists for the space below.

Wood beam calculator american wood council website rafter and joist span faq. Rafters are the traditional means of framing a roof. This means that each rafter is built on the job site using dimensional lumber. Now cathedral style roofs with exposed timbers can be incorporated into a home or building design while being insulated to provide a feeling of spaciousness in living areas something that is particularly relevant as homes footprints get smaller.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Every piece is measured cut and fastened together to form the rafter. As a general rule roofs that have a high human occupancy rate should be framed with rafters every 16 structures such as sheds or barns can be frames with rafters every 24 again make sure to consult local codes.