Water Retention Roof

Retention works like this.

Water retention roof. Green roofs are multi layered systems that cover the roof of a building with. These elements have high retention capacity and can be used for extensive and intensive green roofs with car traffic heavy vehicles etc. We believe the owner should see a return on investment of a green roof beyond merely meeting regulatory requirements. The most critical role of the drainage layer is to provide an adequate flow of water off the roof during and after rainfall.

The purple roof is the only concept that has been exposed to real life assembled testing in a professional setting. Discharge coefficient cs according to fll. High level of reduction of of water discharge during high intensity rainfall whilst retaining good drainage even for large roof areas peak discharge. The secret of green roof water retention is green.

The water needs to be drained off to create sufficient storage capacity in time for the next rainfall. Core to the purple roof concept is making green roofs a true stormwater management tool by incorporating retention and detention. This type of water roof is called a water roof for rainwater retention. The rainwater is drained off at a delayed pace using a narrower lower situated opening.

Such an extensive green roof will have a water retention capacity up to 44 l m and a surface weight in water saturated condition about 130 kg m. Together they form the drainage layer of the ecological roof. This frees up space for maximum real estate potential while realizing all other benefits such energy savings biodiversity habitat creation and. This means that the water leaves the roof as vapor.

Water retention is really important in case of pitched roofs because their drying trend is more pronounced. Thanks to its unique dimple structure and its innovative design its functions include. However a purple roof retains more water than any other green roof concept. The water only remains on the roof for a short period of time after rainfall.

Delta garden roof system with floraxx water retention drainage membrane for garden roof systems a safe foundation for all herbaceous roofs. We need to think differently about the main purpose of a green roof. Intensive green roofs are landscaped environments with high amenity benefits including accessible planters or trees and water. Water storage and discharge delay.

They have to be mounted linked to each other and floating over the protective layer of the waterproofing. Suitable for blue roofs. M roof deck delta garden roof system this innovative dimpled sheet has been developed specifically for green roofs. Green roof solutions offers many different drainage layer options depending on system goals regarding water retention.

0 01 0 17 at 2 roof pitch. Protection and efficient use of fresh water integration of natural water retention measures in river basin management. Yes every green roof absorbs and buffers water.