Certified Product Search
    What is Hallmark Certification?
    I.S. 4 Wood and Composite Materials
    Testing Labs
    Hallmark Program Documents
    Certification Bulletins
    TDI Evaluation Report Submittal Forms
    Hallmark Certificate of Conformance and License (CCL)
    Certification Information Portal (CIP) Log In
    Certification Training
I.S. 4 Wood and Composite Materials

Information on:

Water-Repellent Preservative Treatment Formulations

Approved Integrally Treated Composites

Approved Chemically Modified Wood