The minimum pitch for an asphalt roof for Asphalt shingles is 2/12 or more as long as you use at least one layer of ice and water shield and one layer of synthethic felt under the architectural shingl ... read more
I just change my water heater, it is 50 gallons big, the thermostat is on letter "c" one level less that very hot. Why water gets cold in the middle of shower?