Green Roof Root Barrier Membrane

Reliable and established products that comply with the guidelines of green roofing are important.

Green roof root barrier membrane.

Grs root barriers come in 20 mil 30 mil and 40 mil thickness depending on the application. A new resource is available a protected membrane roof pmr planning guide representing more than 50 years of proven assembly experience across the globe and 35 years of hydrotech s industry knowledge the guide strives to educate architects engineers general contractors and other design professionals on the key benefits of a protected membrane roof compared to a conventional roof. Its superior strength is designed to protect the waterproofing membrane from aggressive plant roots. The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane.

Root barriers are often used in green roofs to provide some protection to the waterproofing from invasive stolons rhizomes and from woody roots from trees and shrubs. The long term and permanent functionality of green roofs depends upon multiple factors. It is ideal for systems that have typical green roof. In this post i will analyze the root barrier products available and identify the most suitable options for the show house.

It will not absorb water and is non toxic perfect for even the most sensitive green roof plant life. Safeguard root barrier is intended to provide root protection in green roof applications where the primary waterproofing layer does not offer adequate root protection. Grs root barriers do not contain plasticizers which can migrate to the surface and react with roofing membranes. On the shown pages we present an excerpt of our product range.

Physical boundary between plants and waterproofing membrane. Delta root barrier is a special 15 mil 380 µm stabilized polyethylene design to be strong tear resistant and root resistant. 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. 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.

Installing a green roof is relatively straightforward. There are also roofing membranes on the market that can function as both a roofing membrane and as a root barrier. We gladly provide more products for your green roof on request. A green roof is simply one that fosters the growth of vegetation.

We also sell our permaseal jointing tape for those looking for extra protection against root penetration by taping the root barrier and or drainage membrane. Permaseal green roof root barrier membrane 28m. Rb20 is the most common root barrier product used for extensive green roof systems. Root barriers on green roofs protect the water proofing against penetration of plant roots.