They are also useful for encapsulating other components such as telescopic drainage tubes to reduce the amount of fines getting into them.
Green roof filter fleece.
Green roofs a filtration layer such as oldroyd tp filter fleece is required as part of many green roof designs to prevent particles of growing medium being washed into the drainage layer.
Product information and technical performance.
Optigrün protection and storage fleece rms 300 protects the roof membrane or root barrier membrane against damage from light mechanical demands separates the materials of incompatible substrates from one another and depending on the product and its function as protective fleece stores water.
Sold by the metre oldroyd tp is used as a filtration layer also known as a filter sheet or separation layer in green roof applications.
A filter fleece separates the drainage layer from the roof garden substrate in a green roof structure.
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It prevents small soil particles from filling the drainage layer and so the water buffering function of the drainage layer remains intact for longer.
It is designed to prevent particles of growing medium being washed into the drainage layer.
Optigrün filter fleece fil 105 is used when the drainage system needs to be protected from fine particles entering from the substrate layer.
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It prevents fine material from being washed out of the substrate layer.
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Bmi canopia filter fleece filtration layers are required in green roof systems as a separation and containment layer to limit the amount of fine particles reaching the drainage layer and rainwater outlets.
Horizontal filter layer on green roofs between drainage layer and substrate.
Oldroyd tp is typically used on flat green roofs in conjunction with oldroyd xv 20 greenxtra drainage membrane.
Green roof solutions offers all the critical components for fleece based living wall systems ranging from peel and stick waterproofing to custom built water tanks.