Green Roof Protection Layer

The clay and silt content of materials used in a rock aggregate drainage layer should be 10 per cent by mass.

Green roof protection layer. Drainage protection filtration layer it is used for lightweight green roofs terraces and has many functions. Systems secured by roof layer. Benefits of green roofs. The protection matting may provide some noise absorbing capability.

Our protection mats are multifunctional products which are compatible with multiple membranes for use as a first layer of protection on the waterproofing membrane or above the root barrier. Many green roof systems feature a water storage layer incorporated into the drainage layer so as to have a reserve of water for bottom up irrigation of the vegetation. The growing substrate must be kept separate from the drainage layer with a filter sheet. Bauder sdf drainage layer material of the drainage layer polyamide monofilament weight of the drainage layer 400 g m.

Older green roofs often used a permeable layer of rock aggregate such as scoria or gravel for drainage. As a general rule the more the roof is trafficked the higher the level of protection required for example extensive green roofs would generally experience much lower levels of traffic damage during maintenance than publicly accessed areas. The green roof drainage layer thickness makes sure that nothing can go wrong below offering a solid and effective guard. Benefits of green roofs.

Protection matting is installed directly on the waterproofing layer for root resistant membranes or atop the installed root barrier layer providing further uncertified protection against root penetration and doubling as a separation sheet. This layer delivers protection against mechanical damage. The rock aggregate should also have a. Drainage layer the green roof drainage layer provides you with a way to ensure there is nothing getting through and that excess water is drained away to avoid any waterlogging or increase in weight on the roof.

The water storage means sprinkler irrigation can be used at greater intervals and in certain favourable situations irrigation can be done away with altogether. The quality of the material its thickness weight and tensile strength. In order to evaluate the compatibility of this layer the followings must be checked. Protection layer rubber carpet it is a carpet made of polyurethane rubber and it protects the waterproofing and the insulation of the green roof.

Systems secured by roof layer. It is made of a filtration veil and the polyamide monofilament fibre network layer.