Attachment of Exterior Wall Coverings Through Kingspan Kooltherm® Insulation Boards to Wood or Steel Wall Framing

Issue Date: 
Friday, April 28, 2017
Updated Date: 
Wednesday, September 4, 2019

Engineering Services

DrJ provides engineering and related services specializing in light-frame construction.

Structural engineering services are not currently offered in Illinois.

Product Certification

DrJ is an ISO/IEC 17065 accredited product certification body through ANSI Accreditation Services. 

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