Green Roof Root Barrier Thickness

Root barrier for intensive green roofs made of flexible polyolefin fpo polyester scrim reinforced resistant to bitumen flexible at low temperatures root resistance tested according to the german fll method of 2002 hot air weldable uv stabilized cold applied.

Green roof root barrier thickness.

Extensive green roofs are generally made up of a very thin layer of soil or other planting medium with shallow root plants like sedum mosses and grasses. The long term and permanent functionality of green roofs depends upon multiple factors. Once a primary waterproofing layer has been applied to the concrete roof deck or screed and a root barrier slip layer if required you can roll out the green roof membrane across the length of the roof. You should then cut the membrane to size.

It is ideal for systems that have typical green roof plants such as sedums which have shallow roots and will not present a lot of penetration pressure. Installing a permaseal green roof system. We gladly provide more products for your green roof on request. Rb20 is the most common root barrier product used for extensive green roof systems.

These may not be required if the waterproof membrane is certified as root resistant. Soprabarrier 20 and soprabarrier 30 are root barriers composed of woven high density polyethylene scrim and provide the protection against roots on sopranature green roofs roof gardens and plaza decks. The soil is usually not more than 5 deep and is sometimes contained by a tray system which provides a barrier to excessive growth protects the roof membrane and also interlocks the. Thicker welded root barriers will be needed for green roofs involving trees bamboo or other vigorous spreading grasses.

Additional green roof layers. Of course this is not all that you might have in your roofing. Reliable and established products that comply with the guidelines of green roofing are important. Safeguard root barrier is intended to provide root protection in green roof applications where the primary waterproofing layer does not offer adequate root protection.

Safeguard root barrier is simply loose laid on top of the primary waterproofing layer before subsequent green roof layers drainage layer filtration layer etc are laid on top. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems.