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.
Green roof filter fleece. To provide an ecologically sound protection layer to the roof with all the advantages listed below. Product information and technical performance. Oldroyd tp filter fleece is typically used on flat green roofs in conjunction with oldroyd xv 20 greenxtra drainage membrane. They are also useful for encapsulating other components such as telescopic drainage tubes to reduce the amount of fines getting into them.
An overlapping of at least 150 mm is required between the adjacent filter sheets. Openings must be cut in the filter sheet above the roof outlets. Fl 150 filter layer is primarily used to serve filtration purposes in an extensive green roof build up where it is rolled out over the drainage layer. This is a multi layer green roof system comprising protection fleece drainage layer filter fleece and mineral ri ch plant growing media suitable for drought resistant plants.
It prevents small soil particles from filling the drainage layer and so the water buffering function of the drainage layer remains intact for longer. Optigrün filter fleece fil 105 is used when the drainage system needs to be protected from fine particles entering from the substrate layer. It is designed to prevent particles of growing medium being washed into the drainage layer. Horizontal filter layer on green roofs between drainage layer and substrate filtration of particles from the substrate puncture resistance 1 200 n en iso 12236.
44 0 1473 257671. 353 0 42 9692 333. 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. 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.
Bauder ltd 70 landseer road ipswich ip3 0dh t. Extensive green roof build up. Oldroyd tp is typically used on flat green roofs in conjunction with oldroyd xv 20 greenxtra drainage membrane. Bauder ltd o duffy centre cross lane carrickmacross co monaghan t.
It prevents fine material from being washed out of the substrate layer.