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M-Tray® modular green roof system from Wallbarn

M-Tray® modular green roof system from Wallbarn

Wallbarn presents the new M-Tray® which has been further improved to make sedum roofs easier to install with less disruption to both the plants and the structure.

M-Tray® is also designed to give a more seamless, verdant finish and an instant green roof.

Wallbarn is at the forefront of developments in the green roofing sector and has always provided products that combine top quality ingredients with user friendly, hassle-free maintenance. The purpose of M-Tray® is to enhance rooftop living.

The advances made in the design of the new M-Tray® model include:

• deeper cavities for extra root growth
• optimum drainage leading to stronger plant growth
• more established vegetation at point of installation
• more efficient transport and packaging
• exactly 4 units per m2
• easier to carry trays with smooth handles
• closer connection between trays for more seamless plant growth
• no sharp edges, less risk to the membrane
• nothing spills out, less mess
• made from recycled plastic with recycled substrate
• less packaging, less waste
• UK designed and manufactured in UK

Their bespoke design allows them to supply the best quality vegetation to site. The fully established, mature sedum or wildflower plants, are contained within easy-to-carry trays which click together to form an almost invisible join.


The main advantages of modular over roll-out green roof systems include convenience and speed of installation, futureproofing, and the delivery of instant results.

All the elements required for a successful green roof have been measured and installed into the M-Tray® modules at the nursery.

Users can feel confident that the plants, growing medium and filtration components are suitable and compatible, and at the correct level to give strong, healthy growth over the long term.

The trays are grown for a period of at least 6 months and all will have been through at least one spring growing season; so the plants are well established, healthy and strong, and fully integrated into the substrate (unlike sedum blankets, which are not).
Mess and disruption are big issues with roll-out systems.

Another key benefit is accessibility. As each module is 500 x 500mm, one M-Tray® can be carried by one operative.

For areas which are very difficult to access, such as single storey extensions, domestic projects and other completed structures, roll-out is simply not possible. M-Tray® can be hand-balled into even the most awkward areas, even carried through a window. They are ideal for retro-fit projects.

It has been also proven that green roofs constructed using Wallbarn M-Tray® are installed much faster than in traditional roll-out methods.

An instant green roof solution, with M-Tray® the sedum are less shocked by the installation process, as soon as the trays are connected together the whole area is filled with well-established plants.

Access to the roof is future-proofed. If there are problems with the deck beneath or inspection is required, one M-TRAY® or section can easily be lifted out without disruption to the whole roof.

As well as the sedum trays, Wallbarn plants up a wildflower mix into the M-Tray®. A varied mix of at least six different native species has been selected. All these flowers and herbs are low growing, hardy species, chosen to be pollinators for butterflies and bees.

Click here – for more information on the M-Tray®.

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Wallbarn is a manufacturer and distributor of specialist materials for structural waterproofing, flat roofing, terraces and landscape areas. They produce solutions for rooftop living.

Wallbarn supplies:
• The largest range of PEDESTALS...
View company profile
T0208 916 2258
F0208 916 2223
E[email protected]
WVisit Wallbarn's website
 Unit 16, Capital Business Centre, 22 Carlton Road, South Croydon, Surrey, CR2 0BS

Make an enquiry to Wallbarn

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