﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2023v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2024-11-06T11:38:18-05:00</ReturnTs>
    <TaxPeriodEndDt>2023-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>770621366</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>BOOKKEEPS</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>17 SO 495 WEST</AddressLine1Txt>
        <CityNm>IVINS</CityNm>
        <StateAbbreviationCd>UT</StateAbbreviationCd>
        <ZIPCd>84738</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2023-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>930981948</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INSULATION INDUSTRY FUND</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>INSU</BusinessNameControlTxt>
      <PhoneNum>8013640050</PhoneNum>
      <USAddress>
        <AddressLine1Txt>669 SOUTH 200 EAST SUITE 200</AddressLine1Txt>
        <CityNm>SALT LAKE CITY</CityNm>
        <StateAbbreviationCd>UT</StateAbbreviationCd>
        <ZIPCd>84111</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>ROBERT G BERGMAN</PersonNm>
      <PersonTitleTxt>SECRETARY</PersonTitleTxt>
      <PhoneNum>8013640050</PhoneNum>
      <SignatureDt>2024-10-11</SignatureDt>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>true</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>LORI JOHNSON</PreparerPersonNm>
      <PTIN>P10358263</PTIN>
      <PhoneNum>8019069555</PhoneNum>
      <PreparationDt>2024-11-06</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2023</TaxYr>
    <BuildTS>2024-10-15 13:58:12Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="2">
    <IRS990EZ documentId="RetDoc1" referenceDocumentId="RetDoc2">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <ScheduleBNotRequiredInd>X</ScheduleBNotRequiredInd>
      <WebsiteAddressTxt>N/A</WebsiteAddressTxt>
      <Organization501cInd organization501cTypeTxt="6">X</Organization501cInd>
      <TypeOfOrganizationAssocInd>X</TypeOfOrganizationAssocInd>
      <GrossReceiptsAmt>103918</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>103879</ContributionsGiftsGrantsEtcAmt>
      <InvestmentIncomeAmt>39</InvestmentIncomeAmt>
      <TotalRevenueAmt>103918</TotalRevenueAmt>
      <GrantsAndSimilarAmountsPaidAmt>70000</GrantsAndSimilarAmountsPaidAmt>
      <FeesAndOtherPymtToIndCntrctAmt>18399</FeesAndOtherPymtToIndCntrctAmt>
      <TotalExpensesAmt>88399</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>15519</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>87509</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>103028</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>87509</BOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>87509</BOYAmt>
        <EOYAmt>103028</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>87509</BOYAmt>
        <EOYAmt>103028</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</DescriptionProgramSrvcAccomTxt>
      </ProgramSrvcAccomplishmentGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT G BERGMAN</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>ROBERT JEFFRIES</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>SCOTT WOLFE</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>000.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <PersonNm>ROBERT G BERGMAN</PersonNm>
        <USAddress>
          <AddressLine1Txt>669 SOUTH 200 EAST SUITE 200</AddressLine1Txt>
          <CityNm>SALT LAKE CITY</CityNm>
          <StateAbbreviationCd>UT</StateAbbreviationCd>
          <ZIPCd>84111</ZIPCd>
        </USAddress>
        <PhoneNum>8013640050</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
    </IRS990EZ>
    <IRS990ScheduleO documentId="RetDoc2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 10</FormAndLineReferenceDesc>
        <ExplanationTxt>CASH CONTRIBUTION: 70,000</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 28</FormAndLineReferenceDesc>
        <ExplanationTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III, LINE 31</FormAndLineReferenceDesc>
        <ExplanationTxt>HOURLY AMOUNT PAID IN 2021 TERMS OF LABOR AGREEMENT BETWEEN ASSOCIATED INSULATION CONTRACTORS OF OR &amp; WA, INC AND HEAT &amp; FROST INSULATIORS LOCAL UNION NO 36T WERE COLLECTED BY THE INSULATION INDUSTRY FUND AND TRANSFERRED TO THE ASSOCIATED INSULATION CONTRACTORS (LETTER OF EXEMPTION DATED MAY 16, 1985) TO FUND ITS ACTIVITIES</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>