Patio Roof Trusses

Maximum rafter spans for a patio roof.

Patio roof trusses.

This would involve probably 2x8 trusses set at 12 on center and the support beam made of 3 2x8s laminated together set at 12 from the house so the eaves overhang is about 24. Having said that you could just over build. The fireplace also offers a built in refrigerator and wood storage. Fink trusses were originally invented for the purpose of beefing up bridges but many contractors now use them to increase the strength of interior structures.

By doing this method you will have a clean finish that is connected to the wall line. The truss is a framework consisting of rafters posts and struts which supports your roof. This is a stone and casted concrete wood burning fireplace. The lower the pitch the stronger the trusses joists have to be ie 2x8 may be required rather than 2x6 over a 17 foot distance.

It can take various forms and often used for aesthetic purposes adding height and focal interest to the ceiling. They are designed at a 4 12 pitch to be spaced 2 foot on center. This type of truss is perfect for the dining room living room great room and kitchen. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber.

Building a porch roof using trusses the simplest form of a truss is one single triangle with fixed sides. These types of trusses are often used to create multilevel roof lines or construct additions to an existing building. This outdoor living structure is all timber framed with vaulted cedar exposed truss and grooved ceiling. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

They are extremely strong and normally constructed off site and made to specific measurements. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. A pitch truss with a sloping or non sloping vertical interior ceiling detail. In a fink truss the internal joists are arranged in a w shape ensuring even weight distribution from one end to the other.

The back channel is connected to the rafter directly and reinforced. The tables below give maximum spans for rafters and beams. Architectural steel roofing is used for the roof. A planar truss like the one above lies in a single plane and is usually used together to form the roof support structure.

Build a fink truss to bolster a floor roof or deck. As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss. A cantilever truss allows for level coverage past the exterior wall such as patios porches entryways and other offsets in the building elevation by moving one or both bearings inward from the end of the bottom chord up to 1 4 of the span.