Another scenario will be if either your shingles are missing or if they have lasted for a period of 25 years or more. Also, when you have no granules that are left on the shingles on your roof or if they are brittle, then this would be a sure sign that you really need to replace your roofing system. Below are reasons as to why it is advisable to clean your roofing system.
It is a way in which you can be able to protect your roof from any kind of damage
For you to ensure that your roofing system has a continued kind of protection, it would be best to make use of a cleaner known as a biodegradable chemical which should be done between 18 months to 36 months.
Roofing has changed with advance in technology, from simple use of simple materials to use of sophisticated ones. Roofing is important to a house. Not just for covering the uppermost part protecting you from harsh weather conditions but also from dangerous animals. The type and characteristics of the roof to be installed solely depends on the purpose of the building it is covering, materials and the traditions of the locales. Different traditions calls for different roofing styles. Africans, Asians, Americans and Europeans all have their different roofing styles greatly influenced by their specific cultures.
Roofs were probably the first structures built by man.