One misconception about flat roof replacement is that the roof is actually flat and this is very common to many people nowadays on what they know about flat roof replacement. The roof is certainly not flat even if there is no noticeable angle on the design of the flat roofs. It would be impossible to drain all the water from the roof if the roof was designed to be flat all the way across and this will be a big problem from the start. If a person is deciding to have a flat roof replacement then he or she should open up the idea of the water drainage to the roofing company in order for them to design an angle that will help on the matter.
Once you decide to have a flat roof replacement on your home, then you are resolving the issue of stagnant water on your roof, if not then you will have the same issue for as long as you get a flat roof replacement. It is also important not to spend a lot of money on having your roof replaced. It is very important to know the exact design of the flat roof replacement and how it is built in order to know the best technique that you can use.
If your home have a flat roof with one side that is open then one thing that you can do is build a natural slope that will be able to help propel the water down to the open side of your flat roof. A slope is a very important installation together with your flat roof replacement in order to make sure that your flat roof will have the right water drainage, it is suggested nowadays that an inch of slope per foot is the best way to help propel your water to the right direction. The installation of the slope will not give your roof a difference on how it looks but will help lessen the possibility of water to get stagnant on the flat roof.
One other option that you have is to install a proper drainage system on your roof that will provide an easier clearing of the water from the roof. It will be a lot easy to install a good drainage system on your flat roof and you should discuss this idea with the flat roof replacement company that you hired. If a person have a flat roof with edges covered with walls that will block the water to drain down the edges of the roof, then you might go with the option of installing a good water drainage system in order to resolve this issue. There are two ways to achieve a good water drainage system, one is by installing drain pipes with inlets, the other is with the use of scuppers.