Green Guide 2008 ratings

Building type >	Domestic
Category >	Roof Construction
Element type >	Pitched Roof Timber Construction

Element	Timber trussed rafters and joists with insulation, battens, breather membrane, plywood (temperate EN 636-2) decking, standing seam copper roof
Element Number	812410020
Summary Rating	A
Climate Change	A
Water Extraction	D
Mineral Resource Extraction	A
Stratospheric Ozone Depletion	B
Human Toxicity	B
Ecotoxicity to Freshwater	B
Nuclear Waste (higher level)	E
Ecotoxicity to Land	D
Waste Disposal	A+
Fossil Fuel Depletion	A
Eutrophication	A
Photochemical Ozone Creation	A
Acidification	A
Kg of CO2 eq. (60 years)	52.0