Patio Roof Trusses

This type of truss is perfect for the dining room living room great room and kitchen.

Patio roof trusses.

In a fink truss the internal joists are arranged in a w shape ensuring even weight distribution from one end to the other. The tables below give maximum spans for rafters and beams. 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.

Maximum rafter spans for a patio roof. 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. These types of trusses are often used to create multilevel roof lines or construct additions to an existing building. The back channel is connected to the rafter directly and reinforced.

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. After that cut the rafters back to the wall line. Having said that you could just over build.

It can take various forms and often used for aesthetic purposes adding height and focal interest to the ceiling. You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. They are designed at a 4 12 pitch to be spaced 2 foot on center.

In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. The fireplace also offers a built in refrigerator and wood storage. As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss. This is a stone and casted concrete wood burning fireplace.

Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. A pitch truss with a sloping or non sloping vertical interior ceiling detail. 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. The truss is a framework consisting of rafters posts and struts which supports your roof.

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. By doing this method you will have a clean finish that is connected to the wall line. Building a porch roof using trusses the simplest form of a truss is one single triangle with fixed sides.