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    <link:label id="lab_tg_UnrealizedGainLossonInvestmentProperty_54A080C5EEC422DD451F2A051D286164_terseLabel_en-US" xlink:label="lab_tg_UnrealizedGainLossonInvestmentProperty_54A080C5EEC422DD451F2A051D286164" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Gain (Loss) on Investment Property</link:label>
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    <link:label id="lab_us-gaap_CostMethodInvestments_1D65B3F1D0152390AD112A051D2819F2_terseLabel_en-US" xlink:label="lab_us-gaap_CostMethodInvestments_1D65B3F1D0152390AD112A051D2819F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cost Method Investments</link:label>
    <link:label id="lab_us-gaap_CostMethodInvestments_1D65B3F1D0152390AD112A051D2819F2_label_en-US" xlink:label="lab_us-gaap_CostMethodInvestments_1D65B3F1D0152390AD112A051D2819F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost Method Investments</link:label>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_CCB5A7361DDF7467EFB13BA69B81696C_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_CCB5A7361DDF7467EFB13BA69B81696C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_419CB61E5DE2CB2612603BA69B8161AA_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_419CB61E5DE2CB2612603BA69B8161AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_419CB61E5DE2CB2612603BA69B8161AA_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_419CB61E5DE2CB2612603BA69B8161AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F62278A26703EB8375363BA69B81C254_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F62278A26703EB8375363BA69B81C254" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustments for noncash items:</link:label>
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    <link:label id="lab_tg_BusinessDevelopmentExpenses_7125BC486279904D083054DABBA45516_documentation_en-US" xlink:label="lab_tg_BusinessDevelopmentExpenses_7125BC486279904D083054DABBA45516" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Non-recurring expenses associated with business development projects</link:label>
    <link:loc xlink:href="tg-20170930.xsd#tg_BusinessDevelopmentExpenses" xlink:label="loc_tg_BusinessDevelopmentExpenses_7125BC486279904D083054DABBA45516" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SeveranceCosts1_0780023E7CE90192EAFC54DABBA4D6FC_terseLabel_en-US" xlink:label="lab_us-gaap_SeveranceCosts1_0780023E7CE90192EAFC54DABBA4D6FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pretax charges for severance and other employee-related costs</link:label>
    <link:label id="lab_us-gaap_SeveranceCosts1_0780023E7CE90192EAFC54DABBA4D6FC_label_en-US" xlink:label="lab_us-gaap_SeveranceCosts1_0780023E7CE90192EAFC54DABBA4D6FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Severance Costs</link:label>
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    <link:label id="lab_tg_UnrealizedGainLossOnInvestmentUnderFairValueMethodAfterTaxes_E85DD7D20CBD8E1B9F5954DABBA48791_terseLabel_en-US" xlink:label="lab_tg_UnrealizedGainLossOnInvestmentUnderFairValueMethodAfterTaxes_E85DD7D20CBD8E1B9F5954DABBA48791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss) on investment under fair value method, after taxes</link:label>
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    <link:label id="lab_tg_UnrealizedGainLossOnInvestmentUnderFairValueMethodAfterTaxes_E85DD7D20CBD8E1B9F5954DABBA48791_documentation_en-US" xlink:label="lab_tg_UnrealizedGainLossOnInvestmentUnderFairValueMethodAfterTaxes_E85DD7D20CBD8E1B9F5954DABBA48791" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unrealized gain loss on investment under fair value method after taxes.</link:label>
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    <link:label id="lab_tg_CapitalExpendituresRestructuringProject_15F1A0A401287E4E14F954DABBA517FC_terseLabel_en-US" xlink:label="lab_tg_CapitalExpendituresRestructuringProject_15F1A0A401287E4E14F954DABBA517FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Expenditures Restructuring Project</link:label>
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    <link:label id="lab_tg_CapitalExpendituresRestructuringProject_15F1A0A401287E4E14F954DABBA517FC_documentation_en-US" xlink:label="lab_tg_CapitalExpendituresRestructuringProject_15F1A0A401287E4E14F954DABBA517FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital expenditures incurred as part of a restructuring project</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_B7E774AC7741C82D040350B5965DD7AC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_B7E774AC7741C82D040350B5965DD7AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
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    <link:label id="lab_us-gaap_Assets_59F4F2DC4E2762185BD250B5966DF118_terseLabel_en-US" xlink:label="lab_us-gaap_Assets_59F4F2DC4E2762185BD250B5966DF118" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets</link:label>
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    <link:label id="lab_tg_NetSales_AA9F5083D10B839D272750B5966D2869_totalLabel_en-US" xlink:label="lab_tg_NetSales_AA9F5083D10B839D272750B5966D2869" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net sales</link:label>
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    <link:label id="lab_us-gaap_ShippingHandlingAndTransportationCosts_0CD23C222C0E21104B2750B5966D361C_verboseLabel_en-US" xlink:label="lab_us-gaap_ShippingHandlingAndTransportationCosts_0CD23C222C0E21104B2750B5966D361C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Add back freight</link:label>
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    <link:label id="lab_tg_CreditSpreadOverLondonInterbankOfferedRateBasisPoints_CD2E77ADAAC50B1641D72A051B55B5EF_terseLabel_en-US" xlink:label="lab_tg_CreditSpreadOverLondonInterbankOfferedRateBasisPoints_CD2E77ADAAC50B1641D72A051B55B5EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Spread Over London Interbank Offered Rate Basis Points</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_57B1FDC7EE6ADD0A1A0E2A051B55408A" xlink:type="locator" />
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    <link:label id="lab_tg_CreditFacilitycovenantleverageratiothreetimeslimitation_B5CBED82E6ABFD1CCA992A051B56B70F_terseLabel_en-US" xlink:label="lab_tg_CreditFacilitycovenantleverageratiothreetimeslimitation_B5CBED82E6ABFD1CCA992A051B56B70F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility covenant leverage ratio three times limitation</link:label>
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    <link:loc xlink:href="tg-20170930.xsd#tg_CreditFacilitycovenantleverageratiothreetimeslimitation" xlink:label="loc_tg_CreditFacilitycovenantleverageratiothreetimeslimitation_B5CBED82E6ABFD1CCA992A051B56B70F" xlink:type="locator" />
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    <link:label id="lab_tg_CreditFacilitylimitationondividendpaymentsatleverageratiogreaterthan3.00x_D8FB7AEF1FE9D2CDF2912A051B564124_terseLabel_en-US" xlink:label="lab_tg_CreditFacilitylimitationondividendpaymentsatleverageratiogreaterthan3.00x_D8FB7AEF1FE9D2CDF2912A051B564124" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility limitation on dividend payments at leverage ratio greater than 3.00x</link:label>
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