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EDIL-THERM® DUO is the graphite EPS board with a white outer layer: graphite boards heat up in the sun during installation and can deform, while the white layer reflects sunlight and keeps the board dimensionally stable on site.
It combines the insulation of graphite EPS (λD 0.21 BTU·in/(h·ft²·°F) (0.031 W/(m·K))) with easier, safer installation, in thicknesses from 3 1/8 to 12 5/8 in (80 to 320 mm).