Tear off the old materials and apply roof sheathing.
Making a flat roof into a pitched roof.
Start by putting a truss at the front end of the garage.
While that s the easiest route it s certainly not your only option.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
Finally the decision to convert has to gain approval from a certified building professional or engineer.
You should put a truss over every second joist.
As a consequence many people look into converting their low sloped roof to a pitched roof commonly called a roof conversion.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
How to make a flat roof have a pitch general steps step 1.
Additionally flat roof systems are less forgiving if errors occur during the installation process.
A pitched roof will require new roof trusses and supports.
Some will choose to keep their pre existing flat roof on their structure underneath the new pitched roof to save removal costs but others might not be able to consider that option as their building couldn t support the weight of two roofs.
Pitched roofs can be designed and built using traditional rafter framing or engineered wood trusses.
Removing the old flat roof costs more but creates options for extra space higher ceilings etc.
Joist spacing is incredibly important as they need to be adequately spaced to support a pitched roof.
If it is determined that your building can support a pitched roof the next step will be the removal of all of your roofing materials and the main roofing structure.
Install the new material.
The simplest way to replace the flat garage roof with a pitched roof is to use prefabricated roof trusses.
Determine the roof span and pitch.
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.
You should then inspect the.
Pitched roofs require more manpower and time to install especially when making a major structural conversion.