Green Roof Root Barrier Membrane

A green roof is simply one that fosters the growth of vegetation.

Green roof root barrier membrane.

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. It is made of a waterproofing layer a root barrier a drainage system and growing medium for the plants. Root barriers on green roofs protect the water proofing against penetration of plant roots. 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. 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. 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 and tpo roofing membranes have been used in the past as a single ply waterproofing that are resistant to root penetration.

Grs root barriers do not contain plasticizers which can migrate to the surface and react with roofing membranes. Physical boundary between plants and waterproofing membrane. 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. We gladly provide more products for your green roof on request.

The most common root barriers used are thin polyethylene sheets laid over the waterproofing membrane. Its superior strength is designed to protect the waterproofing membrane from aggressive plant roots. Permaseal green roof root barrier membrane 28m. Installing a green roof is relatively straightforward.

You need to create a design and then build up each. Reliable and established products that comply with the guidelines of green roofing are important. On the shown pages we present an excerpt of our product range. 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 come in 20 mil 30 mil and 40 mil thickness depending on the application. 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. Delta root barrier is a special 15 mil 380 µm stabilized polyethylene design to be strong tear resistant and root resistant. There are also roofing membranes on the market that can function as both a roofing membrane and as a root barrier.