There are a myriad of options when selecting a roof type for personal home and business properties, with alternative, modern technology offering great advantages for specific climates and functions. Green and cool roofs are fast becoming a popular option for modern day roofing. Cool roof systems reflect heat and sunlight back to the atmosphere, they use light – coloured paints, roof tiles, and other coatings. Green roofs absorb the sunlight before it enters the structure, with vegetative plant life reducing reflective heat. Both options work to stabilize the air temperature above the roof so that it does not add to a green-house heating effect for the entire building.
The aesthetics of these roof systems are a major pull for those considering utilising these options, with green and garden roof systems being a space to enjoy. They are also energy efficient, reducing energy bills by decreasing the need for air conditioning, and aiding to environmental sustainability by preventing power outages by reducing local air temperature. Apparently when used on a power plant, some emissions such as sulfur dioxide and carbon dioxide can actually be reduced through these roof systems. The demand on storm drainage is also reduced with having a green roof system in an area, with the water run off lessoning with the green roofs holding 50-60 percent of storm water.
These roofs, however, do boast some cons which need to be considered when making the decision. Do your research thoroughly to ensure that the climate and environment is the right fit, as well as maintenance and budgeting considerations. Some roofs will need irrigation systems and especially vegetation rich roofs may need regular maintenance.