My brother announced that membrane roofing was the only alternative to our patched leaking asphalt roof and tin sheds. It eliminated need for gravel on rooftops. Flat surfaces and houses with low-sloped worn out sheds could be replaced by membrane roofing. The cost of installation was also cheap. It used waterproof water vapor permissible breathable foil and roofing compounds like EPDM and CSPE, which kept leakage problem out of bounds. . Qualified roof products reflected more of the sun and lower room surface temperature to a great extent and promised to maintain a tolerable temperature inside the house in all weather conditions. Periodic inspection would help avoid other problems. So buy the best and relax was met by upgrading the roofs to membrane roofing.