{
  "category": "Engineered Wood Products",
  "vertical": "building-materials-and-lumber",
  "source": "https://getclaro.ai/resources/attribute-library/building-materials-and-lumber/engineered-wood/",
  "status": "editorial-draft",
  "note": "Editorial reference template. Example values show format only and do not describe a real SKU. Not an official ETIM or ECLASS class.",
  "groups": [
    {
      "key": "identity",
      "name": "Identity",
      "check": "Preserve leading zeros and punctuation, validate against the manufacturer record, and check the GTIN check digit and packaging level before linking."
    },
    {
      "key": "technical",
      "name": "Technical specifications",
      "check": "Store the number and unit separately. Convert only when the source unit and test conditions are known."
    },
    {
      "key": "selection",
      "name": "Selection attributes",
      "check": "Map supplier wording to a governed vocabulary only after checking the source text and which variant it applies to."
    },
    {
      "key": "fit",
      "name": "Fit & compatibility",
      "check": "Keep model and series qualifiers. A similar-looking part is not a verified fit until a source says so."
    },
    {
      "key": "evidence",
      "name": "Evidence & compliance",
      "check": "Link the manufacturer document or label with its edition or date. Never copy a certification from a neighboring SKU."
    }
  ],
  "fields": [
    {
      "key": "ewp_product_type",
      "label": "EWP Product Type",
      "group": "selection",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Laminated Veneer Lumber (LVL)"
    },
    {
      "key": "brand_product_line",
      "label": "Brand / Product Line",
      "group": "identity",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "Example Brand LVL 2.0E"
    },
    {
      "key": "manufacturer_part_number",
      "label": "Manufacturer Part Number",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "LVL-20E-134-1178"
    },
    {
      "key": "gtin_upc",
      "label": "GTIN / UPC",
      "group": "identity",
      "priority": "core",
      "value_type": "identifier",
      "unit": null,
      "example_format": "10614141340047"
    },
    {
      "key": "depth",
      "label": "Depth",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "11.875"
    },
    {
      "key": "thickness_net_width",
      "label": "Thickness / Net Width",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "in",
      "example_format": "1.75"
    },
    {
      "key": "stock_length",
      "label": "Stock Length",
      "group": "technical",
      "priority": "core",
      "value_type": "number",
      "unit": "ft",
      "example_format": "24"
    },
    {
      "key": "grade_combination_symbol",
      "label": "Grade / Combination Symbol",
      "group": "selection",
      "priority": "core",
      "value_type": "text",
      "unit": null,
      "example_format": "2.0E-2900Fb"
    },
    {
      "key": "selling_unit_of_measure",
      "label": "Selling Unit of Measure",
      "group": "identity",
      "priority": "core",
      "value_type": "controlled",
      "unit": null,
      "example_format": "LF"
    },
    {
      "key": "modulus_of_elasticity_e",
      "label": "Modulus of Elasticity (E)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "2000000"
    },
    {
      "key": "reference_bending_stress_fb",
      "label": "Reference Bending Stress (Fb)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "2900 (at 12 in depth)"
    },
    {
      "key": "horizontal_shear_fv",
      "label": "Horizontal Shear (Fv)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "285"
    },
    {
      "key": "compression_perpendicular_to_grain",
      "label": "Compression Perpendicular to Grain (Fc⊥)",
      "group": "technical",
      "priority": "differentiating",
      "value_type": "number",
      "unit": "psi",
      "example_format": "750"
    },
    {
      "key": "bond_exposure_durability_classification",
      "label": "Bond / Exposure Durability Classification",
      "group": "selection",
      "priority": "differentiating",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Exterior adhesive; dry service"
    },
    {
      "key": "reference_product_standard",
      "label": "Reference Product Standard",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "ASTM D5456"
    },
    {
      "key": "certification_grade_stamp_agency",
      "label": "Certification / Grade Stamp Agency",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Accredited third-party inspection agency"
    },
    {
      "key": "formaldehyde_emission_status",
      "label": "Formaldehyde Emission Status",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "Not a TSCA Title VI regulated composite wood product"
    },
    {
      "key": "country_of_origin",
      "label": "Country of Origin",
      "group": "evidence",
      "priority": "channel",
      "value_type": "controlled",
      "unit": null,
      "example_format": "United States"
    }
  ],
  "evidence_columns": [
    "raw_value",
    "normalized_value",
    "source_uri",
    "source_page_or_row",
    "confidence",
    "review_state",
    "last_verified"
  ],
  "normalization_examples": [
    {
      "attribute": "Depth",
      "variants": [
        "11-7/8\"",
        "11 7/8 in",
        "11.875",
        "11-7/8 IN.",
        "302 mm",
        "11-7/8in"
      ],
      "normalized": "11.875 in"
    },
    {
      "attribute": "Bond / Exposure Durability Classification",
      "variants": [
        "Exposure 1",
        "EXP 1",
        "Exp.1",
        "Exposure I",
        "EXP-1",
        "Exp 1"
      ],
      "normalized": "Exposure 1"
    },
    {
      "attribute": "Grade / Combination Symbol (SCL)",
      "variants": [
        "2.0E-2900Fb",
        "2.0E 2900Fb",
        "2900Fb-2.0E",
        "2.0E/2900",
        "2900 Fb 2.0 E",
        "2.0E-2900F"
      ],
      "normalized": "2.0E-2900Fb (E and Fb also stored as numbers)"
    }
  ]
}