Green Guide 2008 ratings

Building type >	Domestic
Category >	Roof Construction
Element type >	Flat roof: Inverted Deck

Element	Timber joists, plywood (temperate EN 636-2) decking, TPO single ply roofing membrane, insulation, paving slabs
Element Number	812530097
Summary Rating	A
Climate Change	B
Water Extraction	B
Mineral Resource Extraction	A
Stratospheric Ozone Depletion	C
Human Toxicity	A
Ecotoxicity to Freshwater	B
Nuclear Waste (higher level)	C
Ecotoxicity to Land	C
Waste Disposal	A
Fossil Fuel Depletion	B
Eutrophication	B
Photochemical Ozone Creation	B
Acidification	B
Kg of CO2 eq. (60 years)	100.0