Green Roof Root Barrier Membrane

Grs root barriers come in 20 mil 30 mil and 40 mil thickness depending on the application.

Green roof root barrier membrane. Manufactured from 100 polypropylene the membrane is designed to prevent root penetration. You also have to think about root protection when considering a green roof. Ccw root barrier is a high strength membrane designed for use with ccw green roof and ccw 500r waterproofing systems. Ccw offers the flexibility to use either traditional or modular systems as well as the single source roof to green roof warranty option through select partners.

As plant roots develop they look for water. Its superior strength is designed to protect the waterproofing membrane from aggressive plant roots. The high quality plastic membrane creates a physical barrier between the green roof vegetation and the waterproofing later. Green roofs also known as vegetated roofs provide beauty and many environmental benefits including reducing heat island effects and managing urban storm water runoff.

Root bloc is a flexible polymeric alloy geomembrane liner. Epdm is fll certified for green roofs and 2 if we ensured that seams were properly sealed and we installed a root barrier an epdm roof is likely to perform well. Grs root barriers do not contain plasticizers which can migrate to the surface and react with roofing membranes. Rb20 is the most common root barrier product used for extensive green roof systems.

The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane. This flexible roofing membrane does not contain pesticides. Root bloc 20 secondary root barrier material is an optional addition to prevent against root penetration typicall used for intensive vras or green roofs. In this post i will analyze the root barrier products available and identify the most suitable options for the show house.

Secondary membranes are also used with some green roof systems where water is intentionally ponded so that the primary waterproofing membrane still drains. 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. If the primary waterproofing system is not resistant to root penetration it can be covered with a secondary root barrier membrane. Root barriers on green roofs protect the water proofing against penetration of plant roots.

It will not absorb water and is non toxic perfect for even the most sensitive green roof plant life. The green roof root barrier membrane protects your primary waterproofing layer and structure from roots when installing a green roof. Physical boundary between plants and waterproofing membrane.