Why Industrial Roofs Blue

This post was written in 2013 and blue roof technology has moved on since then though ross still believes taking the water off a roof is the best underlying policy and a blue roof should remain a last resort as this article states here s an update from 2016 and another on best practice from 2018.

Why industrial roofs blue.

Last week we delivered a cpd our new riba. To understand why builders have taken to installing blue roofs you need to know a little bit about how storm water runoff is processed by cities. Why specify a blue roof. A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop.

Development and expansion of towns and cities has seen exponential use of impervious surfaces causing artificially high rates of rainwater runoff. Blue roofs alone or combined with a second on site water storage system can be utilized to satisfy local municipalities stormwater management. Load capacity like green roofs blue roofs are heavy so some roofs might need to be fortified before adding blue or green features. The blue tin roofs can be seen on almost all buildings making the area look like some shantytowns.

Blue roof why it is a bad idea update. A bird s eye view of a residential area in yunyan district of guiyang guizhou province. Why install a blue roof. Because the stormwater attenuation is designed to fit within the footprint of the building this means that the blue roof is ideal for urban and built up environments where ground space is limited.

In measures to prevent flooding planners are restricting the amount of rainwater leaving a site via the drainage system which can be limited to 5 10 litres per second per. Urban areas currently manage runoff through ground sources like ponds and drainage systems. These drainage systems carry runoff to sewers so they can be treated and. A blue roof is a roof of a building that is designed explicitly to provide initial temporary water storage and then gradual release of stored water typically rainfall.

Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and. A blue roof controls the flow of roof drainage by increasing temporary storage and more slowly releasing rainwater by means of detention which is considered a stormwater management practice smp. The aluminum sandwich panel buildings they sometimes use here cheap last 10 20 years used for industrial or storage purposes sometimes stores beside the highways all seem to have beige walls and blue roofs. Voiding of warranty many roof warranties include a clause that any modification will void the roof s warranty so it s a good idea to read the fine print before going blue.

Blue roofs are constructed on flat or low sloped roofs in urban communities where flooding is a risk due to a lack of permeable surfaces for water to infiltrate or seep back into the ground.