Just enough slope to drain water but also flat enough to be a problem if not constructed properly.
Residential flat roofs systems.
Used as an architectural device for residential homes flat roofs are more commonly seen in large industrial manufacturing or commercial buildings.
Find out how all the components work together to keep moisture out your energy costs down and your house looking terrific.
A roof system is so much more than shingles.
However in many u s.
Flat roof systems are a bit of an outlier.
Most modern residential homes have relatively steep pitches.
Although they might seem fancy with a high cool factor the cost of a flat roof can sometimes be more than a peaked roof.
Pros and cons for flat roof materials all three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.
In some cases a homeowner may choose an option such as a self adhering membrane residential roof system which offers the multi layer protection of a membrane roof with the traditional granule look of a shingled or built up roof.
Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules.
Advantages of a flat low slope roof system.
This is why most flat roofs use large squares or single sheets of materials.
These offer lasting protection.
Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot.