Pitched Garage Roof Construction

Build the components from weather resistant lumber if you want to build a durable roof for your garage.

Pitched garage roof construction.

Converting a flat garage roof to a pitched roof is a relatively simple job for professional roofing contractors. After you decide to build a pitched roof you can layout and cut a rafter pattern. However you will likely need to apply for planning permission as it is not a like for like replacement. In this method there are joists and rafters.

Sloped lot requiring build up. Rear wall plate calculate the required height for the wall plate based on what is to sit on top of it i e truss minus birdsmouth cuts laths and tiles. Lay a framing square flat on the board near one end so that the horizontal blade aligns with the bottom edge of the board at 12 inches and the vertical blade is aligned at the roof pitch. This should be a straightforward process especially if it is a low pitch roof.

As the roof area was rotting away care must be taken on where you tread it is safer to step on the area where the existing joists are. Pitched roof designing buildings wiki share your construction industry knowledge. The simplest way to replace the flat garage roof with a pitched roof is to use prefabricated roof trusses. A pitched roof is a roof that slopes downwards typically in two parts at an angle from a central ridge but sometimes in one part from one edge to another.

There are a couple of different methods for constructing pitched style roofs. Start by putting a truss at the front end of the garage. You should put a truss over every second joist. This is more of a traditional manner in regards to cutting the timber while onsite and building up the roof by the use of rafters ridge boards joists and purlins among others.

6 12 pitch horizontal gable. Click on photo to enlarge. 4 12 pitch vertical gable. In this video i show how i built my garage roof with timber joists osb board and an epdm roof covering.

I show the materials i used and how i carried out th. A front and a back overhang will add style to your construction. Measure the width of the garage to know how long you need them to be and count how many joists there are along the length. 8 12 12 12 pitch attic trusses angled corner ohd.

One pitched roof construction method is a cut roof method. The pitch of a roof is its vertical rise divided by its horizontal span and is a measure of its steepness.