You should put a truss over every second joist.
Making a flat roof into a pitched roof.
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.
You should then inspect the.
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.
Finally the decision to convert has to gain approval from a certified building professional or engineer.
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.
Determine the roof span and pitch.
While that s the easiest route it s certainly not your only option.
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.
Most homeowners choose to convert a flat roof to a pitched one using a simple trussed roof with two angled planes.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
A pitched roof will require new roof trusses and supports.
The simplest way to replace the flat garage roof with a pitched roof is to use prefabricated roof trusses.
The process for converting a flat roof into a pitched roof depends on your individual structure and your individual needs there is no one size fits all option.
Pitched roofs require more manpower and time to install especially when making a major structural conversion.
Start by putting a truss at the front end of the garage.
As a consequence many people look into converting their low sloped roof to a pitched roof commonly called a roof conversion.
Additionally flat roof systems are less forgiving if errors occur during the installation process.
Any poorly installed flat roofing system requires constant upkeep and repair.
Step by step guide to a flat roof conversion the flat roof should be removed first including the removal of coverings and roof battens.
How to make a flat roof have a pitch general steps step 1.