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See https://buildingtransparency.org/ec3/epds/ec37yaqu for reference. This pulls as being per m3, but is really per m2 with a thickness applied to make R_SI = 1 m2K/W. In this case, that thickness is 34mm, not the 1000mm that the pulled per volume value implies.
enarhi
changed the title
Pulls of insulation result in inaccurate values due to volume quantity type
Pulls of insulation and some others result in inaccurate values due to volume quantity type or density
Apr 5, 2021
Description:
See https://buildingtransparency.org/ec3/epds/ec37yaqu for reference. This pulls as being per m3, but is really per m2 with a thickness applied to make R_SI = 1 m2K/W. In this case, that thickness is 34mm, not the 1000mm that the pulled per volume value implies.
See also https://buildingtransparency.org/ec3/industry-epds/92f158ad940142f9af73d28980bd9004 for reference for issues when pulling Opening material values, as density is not provided and results in being pulled as 1 leading to inaccurate calcs as QuantityType is per mass.
Also occurs for gyp where the unit is per 1000ft2 as per https://buildingtransparency.org/ec3/epds/ec34aqja, QuantityType is incorrectly pulled as per volume.
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