Pitched Roof Meets Flat Roof

Pitched roofs are anything 4 and 12 or above.

Pitched roof meets flat roof.

However a flat roof is an inexpensive and. Flat roof connected to pitch roof. Waterproof membrane to prevent water penetrating the structure and interior of the building. Since re felting there s a new gulley where the flat roof abuts the sloping tiled roof previously the tiles on the pitched roof covered the join and water from the pitched roof ran on to the flat roof and safely into guttering now rainwater is running through this gulley and then via a newly created notch in the side edge of the flat roof and soaking the sandstone house wall below.

It appears to be flat but it needs a slope to allow the water to drain from the 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. We also replaced the entire pitched roof at the same time. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span.

A pitched roof provides more structure and stability than a flat roof as well as excellent drainage in areas that receive large amounts of rain. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. These are found in traditional buildings in regions with a low precipitation modern materials which are highly impermeable to water make possible the very large low pitch roofs found on large commercial buildings. When we roof a flat or low slope roof we use a membrane system to cover it.

A membrane system is a sheet of roofing material which we install to keep even standing water from leaking into the building. Although referred to as flat they are generally gently pitched. Pitched is better and lasts longer. Flat roof construction for residential.

We have just replaced a flat roof which wasn t possible to change to a pitched roof because of the room above. Instead the roof must be done with a modified bituminous membrane e g. It has a slope of 2 3. In the situation where a slopped roof meets a flat roof you should go up the slope with a few rows of the liberty and then install the asphalt shingles over that layer and the rest of the sloped roof.

A flat roof isn t actually flat. Anything pitched 3 and 12 or less is considered a low sloped roof. A flat roof usually consists of the following.