A flat roof isn t actually flat.
Pitched roof to flat roof transition.
You can tear off the existing roof remove the trusses and strengthen the joists.
A roof that falls one inch over 12 inches is called a 1 and 12 and would be considered low slope.
It has a slope of 2 3.
For slopes less than 9 5 we cannot install roof shingles.
At the roof transition shown in photo roofers had installed peel and stick over the epdm lap.
This allows water to flow off the upper panels out over the trim onto the lower panels and exits the roof at the eaves.
The flat roof already has a slight pitch as it is required by law.
The standard way to measure a roof s pitch is by its fall over 12 inches.
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.
This has to happen whether you re just removing the pitched roof or adding another floor with a flat roof.
I used flat roof in the title because i felt this was common usage.
It appears to be flat but it needs a slope to allow the water to drain from the roof.
Most people view pitching a flat roof as a tedious job.
There are a few ways to dealing with a pitched roof if you choose to convert to a flat roof.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
They had the right idea but the peel and stick they used was rubberized asphalt which reacts with epdm.
You will need to ensure that you are in standards with your local building codes and have the permits required.
Flat roof connected to pitch roof.
We re going to install it over top of the panels that have already been installed on the lower slope.
How to measure a roof slope.
Instead the roof must be done with a modified bituminous membrane e g.
The piece that allows us to join the two different slopes is the pitch transition trim.
Armourvalley or other materials like epdm pvc or tpo covering.
A low slope roof.
This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne.
