Membranes, irrigation, drainage, and the strength of the roof will all have to be spot on for both building regulations and your insurer’s peace of mind. How gardeners can help wildlife and threatened species For the rest of us, the green roof to a new build or renovation will be a sedum roof in a full or part roof area termed an “extensive green roof” not intended for walking on. Real gardens at roof level can comprise trees, shrubs, grasses, beds and even glasshouses. Aluminium is another sustainable, durable choice.įor suppliers of the popular Ruukki steel sheet system with GreenCoat (rapeseed-based finishes), based in Helsinki litcore.ie. Light, malleable, durable and weatherproof, metals and alloys are making their mark in both roof coverings and cladding Ruukki, steel standing-seam roofing is available in RAL colours, various suppliers.Īpart from a professional installation (metal roof installers are famously fussy) - insulation elements needed to cut down on impact noise may push the project cost beyond that of a natural slate.įor a good gallery of roof and cladding possibilities with 10-year guarantees on workmanship, try weatherseam.ie and copperandsheetmetal.ie (Pat O’Leary), Cork. Take a look at standing-seam metal dormers, porches, flat-roofed extensions and matching soffits, facias, flashing and copings. All are robust, corrosion-free and weather-proof. Malleable metals like steel, can be folded and bent into infinite shapes and zinc is “self-healing” when dented. Grey zinc with its mild, natural “oil-canning" iridescent patina, has an honesty that sits perfectly in the Irish countryside and town settings. Steel can be treated with a zinc coating. Beyond checking with the planners, there are a few things to know.Ĭopper is the most expensive roofing choice, and zinc is around twice the price of standing-seam steel roofing panels, with aluminium coming in as the most affordable. Standard planning permission (if you don’t specify your roof choice) will generally vouch for colour and type, and it’s generally black/grey slate or tile.
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