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Everything You Need To Know About Blue Roofs
Daniel Bracewell • 15 September 2021
You may be aware of green roofs, and how adding a layer of vegetation can impact a building’s energy efficiency and the urban environment, but have you heard of blue roofs?
PCB Today
reports that a new ebook has been published by Premier Guarantee, the warranty service for buildings, that has updated guidance for blue roofs, so we have a look at what they are.
What is a blue roof?
A blue roof is a flat roof that features a number of detention ponds that collect rainwater, temporarily string it before releasing it slowly once the rain has stopped.
The water collection can be accomplished through everything from building risers that cause water to dam up in designated areas to installing custom-designed trays for collecting and releasing water.
What are the benefits?
In many urban areas with a combined sewerage system, rain can quickly overwhelm the system, leading to sewage leaking into rivers, lakes, and streams. Blue roofs help to mitigate this risk.
A blue roof can also utilise the stored water in landscaping or in areas where there is a green roof being used.
There are a few things to consider before installing a blue roof on your building:
Cost
- blue roofs are generally cheaper than green roofs.
Load capacity
- pooling water can add a significant load to a roof, so your roofing contractors must verify that your building and roof can support the weight of the water being stored.
Your warranty
- some warranties will stipulate that any roof alterations will void the warranty. Be sure to check your warranty before installing a blue rod, or any other roofing project.
If you’re looking for flat roof specialists in Manchester, talk to us today.
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