SUEWS parameter database

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Material — Wood Wool Slab evidence record

thermal_conductivity0.1
specific_heat1000
density500
materialsCIBSE 2015

Parameters

Names follow the SUEWS YAML specification; click one for its definition in the configuration reference.

thermal_conductivity0.1
specific_heat1000
density500

Provenance evidence

Awaiting sign-off

Published value · assessed by provenance-audit · 2026-08-25. Agent assessment is evidence preparation, not human verification.

Guide A: Environmental designParameter source

Where: Table 3.38, woodwool roofing slabs row, p. 3-43

Publishes woodwool roofing slabs as density 500 kg m-3, thermal conductivity 0.1 W m-1 K-1 and specific heat 1000 J kg-1 K-1.

SUEWS database pre-migration workbook: database.xlsxLater compilation

Where: Pre-migration Spartacus Material row 36243798

Stores the same thermal tuple under MAPSECC Ref 90240069; the root spreadsheet contains the same row, excluding YAML migration as the cause of the attribution.

Assessment findings

Namesupported
Guide A names woodwool roofing slabs; the retained display name preserves the legacy catalogue wording.
Targetsupported
The source table and historical catalogue both describe thermophysical material properties.
Valuessupported
Table 3.38 publishes density 500 kg m-3, conductivity 0.1 W m-1 K-1 and specific heat 1000 J kg-1 K-1 for woodwool roofing slabs, exactly matching the stored tuple.
Sourcesupported
CIBSE Guide A is the direct parameter source. The historical catalogue attributed this row to the MAPSECC dataset, but the MAPSECC author clarified that material values should cite CIBSE and that Hertwig et al. should be cited for the UK typologies instead.
issue #843
Placenot applicable
The generic material row makes no observation-place claim.
Representativenessnot applicable
The generic material row makes no site, city or regional evidence-reach claim.
Methodsupported
Literature denotes direct adoption of all three thermophysical values from Guide A.
Identitysupported
Legacy ID 36243798 identifies the retained catalogue row; correcting its source does not change the stable record path, its values or its material identity.

Scientific note

This correction changes provenance only: the complete stored tuple is an exact CIBSE Table 3.38 row. A repository-wide usage search finds the material in five roof construction records. The stable record path remains unchanged because paths are database identities, not current citation labels.

Model-ready fragment

Paste under material in a SUEWS YAML configuration; every value carries its citation.

thermal_conductivity:
  value: 0.1
  ref:
    ID: cibse2015
    DOI: null
    desc: null
specific_heat:
  value: 1000
  ref:
    ID: cibse2015
    DOI: null
    desc: null
density:
  value: 500
  ref:
    ID: cibse2015
    DOI: null
    desc: null

Evidence review

Awaiting sign-offSign off evidence on GitHub

Raises a prefilled sign-off issue. CI accepts it only when the issue author is in the verifier registry and the evidence revision is still current.

Review procedure

Record metadata

Targetmaterial
Schema2026.5 · legacy row 36243798
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