With modern technology and improved materials this isn t as huge of a problem as it used to be but flat roofs do tend to last five or ten years less than sloped roofs made of similar materials.
Problems associated with flat roofs.
How to prevent problems with flat roofs inspect and clean gutters frequently even if you have leaf guards.
Unfortunately problems are inevitable as the roof ages.
Blistering of flat roofs is a common flat roof problem.
Buckle in membrane.
The curve is pretty flat in terms of their deterioration for the first several years and the last 25 or 30 percent of the roof life the curve becomes more steep explains ron harriman vice president benchmark inc cedar rapids ia.
Also since the impact of hail is perpendicular to the roof as opposed to being at a wider angle in the case of sloped roofing systems the impact can easily damage older less resilient roof coatings and membrane roofs.
Rain snow and other elements of weather can simply slide down them.
However in my own experience the problems with leaking flat roofs are usually as a result of either poor workmanship installing the roof membrane poor maintenance by the building owner or as a result of age.
Architecturally speaking there is a good reason to install a slanted roof.
Sweep leaves and dirt off the roof regularly.
Blistering can become worse during the day due to being heated by the sun causing the trapped moisture to expand and blistering occurs.
Just like any roof a flat roof will develop leaks but since it s flat the water doesn t have.
Flat roofs are known as being problematic with many suffering leaks.
Flat roofs need to have excellent drainage systems since otherwise the water can pool and add to the weight of the roof as well as leading to extensive water damage over time.
What happens is the asphalt used to build your flat roof has aged and lost its elasticity causing it to.
Rainwater outlets on your flat roof s drainage system.
Since flat roofs are well flat they require more intricate water drainage and gutter systems.
A roof is no place for a rogue tree but believe it or not some flat roof.
Again it all comes down to the fact that they are less resistant to the elements.
First up in our series we examine the major potential problems associated with flat roofs.