Once you ve done this cover the roof with plywood cutting the sheets where needed and hammering into place on the roof trusses.
Flat roof turns into pitched roof.
With the pitched roof in place now you need to cover it.
Step 4 roof covering.
Flat roofs are about 10 20 more expensive to install than a pitched roof after the conversion.
The average cost of converting a flat roof to a pitched roof is around 3 000 to 4 500 although this is dependent on the type of materials used during construction whether or not scaffolding will be used and the size of the roof the most common materials used include concrete tiles which typically cost around 0 75 to 3.
Most projects will see a flat roof being turned into a pitched one by using a trussed roof with two angled planes.
Bruce o neal of matthews roofing in chicago says keeping drains and scuppers clear is the single most important maintenance task because backups there will trap standing water on the 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.
Attach the screws to the sides of the roof trusses.
How much does it cost to convert a flat roof to a pitched roof.
Pitched roofs have about a 40 longer life than flat roofs.
A pitched roof is more expensive.
While that s the easiest route it s certainly not your only option.
At this point your flat garage roof has taken on an entirely new shape.
Building a pitched roof over an existing flat roof.
Additional valleys angles and gables can be built into converted roofs as well but adding these elements may affect your project.
Fall is a good time to sweep off leaves and dirt that would turn into mulch over the winter.
However flat roofs require much more aggressive and consistent maintenance than a pitched roof.
It is a significant renovation if you are converting from flat to pitched.
Flat roofs also don t last as long.
They last 25 50 years while a flat roof membrane will last about 15 20 years.
Depending on the climate your flat roof will only last between 15 and 30 years if well maintained.
This is because the membrane is more expensive to manufacture as well as the need for more specialized labor.