An average roof in Chicago or anywhere else lasts between 15-20 years based upon the type of roofing system installed and its maintenance and upkeep flat roofing contractors. The roof sustains a lot of weathering on account of high winds, torrential rains and fierce snowstorms. Asphalt shingles are supposed to be in a good condition for about 15 years with proper maintenance; wood shake roofs have a life expectancy of 30 tears. Tiles have a lifespan of anywhere between 40-50 years and metal roofing are the longest lasting. They last for more than 50 years.
The roofs are constantly exposed to the external weather elements which causes aging. The UV rays from the sun are thrashing the roofs which make them worn out very soon. The weathering of the roof may start to have water leakage because of the snowfall and ice dams. Persistent rains will also cause seepage of moisture which causes the growth of moss which weakens the roof and at the end these accumulated moisture breaks into the walls damaging them. The roofing materials removed by strong wind which accumulates dirt on the roof.
Inspection of your roofs can be carried on by yourself or by hiring a roofer to conduct a thorough check. If you plan to do the examination of the roof yourself then there are various things you must look for like any damaged or worn out shingles are present on the roof, is there any accumulation of granules and other debris in the drains of the gutter and for any signs of moisture seepage on the walls of the house as this moisture causes the growth of moss and mildew.
You must do a research before calling a roofing expert to inspect the roof. If you want to get a fair estimate for the repair job you must look for a established and reputed roofing contractor in Chicago and other places. He will educate you on what are the works to be carried on and what type of damages are found on the roof. There services includes repair of the leaks and replacing the damaged and worn out roofing material. They can spot of the defective areas and suggest measures to correct them easily as they are trained professionals.