Pitched roofs can be designed and built using traditional rafter framing or engineered wood trusses.
Making a flat roof into a pitched roof.
How to make a flat roof have a pitch general steps step 1.
Finally the decision to convert has to gain approval from a certified building professional or engineer.
Determine the roof span and pitch.
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.
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.
Joist spacing is incredibly important as they need to be adequately spaced to support a pitched roof.
You should then inspect the.
Pitched roofs require more manpower and time to install especially when making a major structural conversion.
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.
Step by step guide to a flat roof conversion the flat roof should be removed first including the removal of coverings and roof battens.
Install the new material.
A pitched roof will require new roof trusses and supports.
Tear off the old materials and apply roof sheathing.
While that s the easiest route it s certainly not your only option.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
The simplest way to replace the flat garage roof with a pitched roof is to use prefabricated roof trusses.
Any poorly installed flat roofing system requires constant upkeep and repair.
You should put a truss over every second joist.
Additionally flat roof systems are less forgiving if errors occur during the installation process.
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.