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Low slope roofs (most frequently called ‘flat roofs’) are known to be high maintenance. No matter the product used, low slope roofs do not allow us the same convenience of a pitched roof which after proper installation allows us to avoid thinking of it for the next 20+ years.
In fact, it is fair to say that while the life expectancy of the shingled roof would be proportional to the quality of the materials used and the care of the original installation, the life expectancy of a low slope roof is more directly tied to the amount, quality and consistency of the maintenance provided after installation.
Most experts recommend a semiannual inspection of any low slope roofing system.
It is also advisable to have the low slope roof inspected by a professional after any kind of severe storm activity. High winds and hail can compromise your flat roof just the same as they would a pitched roof.
The utmost care must be taken when walking a flat roof. Something as simple as dropping your keys could severely damage some flat roof applications. Always remain on the walk pads if your flat roof has them. Or hire a professional to assist with the ongoing inspections, repairs and maintenance needs.
When inspecting a low slope / flat roof, the following items should be reviewed:
· Debris collecting on the roof
· Clogged drains and scuppers
· Tree branches that may come in contact with the roof
· Compromised flashings around any roof top penetrations
· Cracks or penetrations in the membrane
· Unsecured or corroded perimeter metal
· Cracked and broken rocks on ballasted roofs
The biggest danger to any flat roofing system is ponding water. If water collects on your roof and doesn’t drain away on its own within 48 hours, a siphon or pump system should be used to get it off. No roof system is designed to have a volume of water sit on it for any extended period of time.
Another important thing to take into consideration; water that enters a low slope system gets trapped there and does much more damage than it would in a pitched system. If your low slope roof is compromised, the longer you wait to make repairs, the more expensive that next replacement becomes.
While anyone can make a cursory inspection of a flat roof, only a professional roofing contractor should attempt to make repairs. If your flat roof is leaking, you need the expertise that only an experienced flat roof contractor can offer.
Work with your roofing contractor to design a program for your flat roof maintenance based on your unique situation.
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