Kalzip-Nature-Roof
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A breath of fresh air Kalzip® Nature Roof

Kalzip® Nature Roof Imagine... ...a quieter urban environment with a more comfortable atmosphere and fresher air quality. Less heat, less dust, less traffic pollution and little need for energy hungry air conditioning systems. The way we live will be transformed - our children will be healthier, we will be happier and live longer. And, we will be saved from climatic crisis - the future of everything that lives and breathes on this planet will be assured. An impossible dream? Not necessarily...

Kalzip® Nature Roof

Kalzip® Nature Roof Revised building regulations During the last decade of the second millennium we In the UK, buildings and building engineering services have been slowly coming to terms with the fact that mankind has damaged the world’s climate and put the future of our civilisation in jeopardy. Global warming is consume 52% of the total energy output. This amounts to 46% of the total carbon dioxide emissions - some happening and its effects are being felt around the 235 million tonnes per year. To help achieve the Kyoto world. From the melting of the polar icecaps to drought target, the...

Kalzip® Nature Roof Nature Roof. The perfectly balanced solution The Kalzip Nature Roof is an advanced green roofing system that has been carefully developed to provide measurable performance and environmental benefits. Our specialist horticultural team has tested and proven the system during the past two years at trial sites around the UK. We can now provide clients and specifiers with validated performance data to demonstrate how the Nature Roof can contribute to the balancing of critical carbon dioxide budgets. House for the Future, Museum of Welsh Life, St Fagans. Sedum mat installation...

Kalzip® Nature Roof The Nature Roof is underpinned by a fully engineered High performance, lightweight and uniquely corrosion system with an unbeatable pedigree - Kalzip aluminium resistant due to its special clad alloy material, Kalzip standing seam roofing. With more than 60 million square could have been designed with green roofing systems metres installed worldwide, the Kalzip has no equal. in mind. Not only does Kalzip provide the perfect Kalzip’s non-penetrative ‘zip’ technology and outstanding substrate, it also neatly completes the unique durability allows it to provide complete...

Kalzip® Nature Roof Naturally beneficial Quite literally ‘over and above’ all the performance features of Kalzip • Improved thermal performance • Reduced carbon dioxide levels • Improved oxygen levels • Reduced influence of night sky radiation on the roof structure • High aesthetic appeal standing seam, the Nature Roof provides: • Improved air quality - fusion of dust and airborne particulates • Reduced rainwater run-off • Contributes to lowering urban temperatures • High ‘feel good’ factor for owners and occupants • Encourages insect and bird life • Minimal maintenance • Low growing and...

Kalzip® Nature Roof Nature Roof... in detail Improved thermal performance The Nature Roof will improve the thermal performance of a building by providing protection against heat loss in the winter and heat gain during the summer. The internal environment is enhanced by more constant temperatures and has a better air quality than buildings that are heavily dependent on mechanical heating and cooling systems. The combined effect of the insulation within the underlying Kalzip system together with the insulating effect of the planting substrate and the foliage layer enhances the thermal...

Kalzip® Nature Roof Reduced rainwater run-off In urban areas the management of rainwater can be a major problem. The impervious nature of the majority of surfaces (both roof and ground) means that the drainage systems have to cope with sudden and large changes in flow rate. Severe autumn and winter storms with high rainfall have made destructive flash floods a common occurrence. Initial studies in the UK show that planted roof surfaces will retain up to 100% of rainfall where up to 3mm falls, up to 80% between 3mm and 23mm and for one period where 41mm of rain fell over 47 hours, 73% of the...

Kalzip® Nature Roof A co-ordinated system The Kalzip Nature Roof has been developed as an integrated system with no fewer than 18 separate elements in addition to the plants these include drainage matting, filter web, rainwater reservoirs, planting substrates and fertilisers. All of these have been carefully tested, both individually and in combination, to produce a system that has all the traditional Kalzip hallmarks of high performance, longevity and low cost in use. The assembled system not only nourishes and supports the selected planting programme but also actively helps to inhibit the...

Section heading (running header) Performance comes naturally Alternative planting formats - plug and mat Flexible planting programmes There are two alternatives at installation stage: the Nature Roof can be supplied in either ‘mat’ or ‘plug plant’ format. The mats comprise sedums which have been grown to early maturity on a special fibre matting at our field nursery in Somerset. Already closely knitted together, the installed effect of the ‘roll-out’ matting is of instant greening - total roof cover at With either format, the selection of sedums can be varied to suit the precise geographic...

Section heading (running header) Stucco embossed Kalzip roof The drainage/reservoir mat is clamped into position The Nature Roof is supplied, delivered to site, installed and supervised only by our trained specialist team of contractors. It is a complete package developed exclusively as an extension of the Kalzip aluminium standing seam proposition. We provide everything from the structural purlins through to the plants themselves and an aftercare service.

Section heading (running header) Assorted sedum plugs ready for planting Planting out - a simple, rapid process. It takes a team of 3 just 2 hours to plant 3,000 plugs A ‘one-off’ application of liquid mulch/fertilizer completes the process 100sqm Nature Roof fully installed in a day (11 months old)