Technical Directory

The following is a list of all publicly available DrJ Research Reports (DRR) for DrJ Engineering clients. If you wish to view DrJ Certification Technical Evaluation Reports (TER), please click here.

No. Title Issue Date DRR Sealed Report
1703-10 Building Code Requirements Regarding the Use of Fire Retardant Treated Lumber in Floor/Ceiling and Roof/Ceiling Assemblies Bearing on Exterior Walls of Type III Buildings 04-12-2017 PDF icon PDF Sealed Report
1506-08 Long Span Truss Installation 04-03-2017 PDF icon PDF Sealed Report
1507-12 Use of Fire Retardant Treated Wood in the Design of Wall Panels, Roof Trusses and Floor Trusses 08-28-2016 PDF icon PDF Sealed Report
1506-09 Inspection and Quality Assurance Requirements for Metal Plate Connected Wood Trusses 10-30-2015 PDF icon PDF Sealed Report
1506-12 Sprinkler Loads on Trusses 10-01-2015 PDF icon PDF Sealed Report
1604-03 1-1/2" Cantilevered Floor Trusses Parallel or Perpendicular to Foundation Wall 07-13-2015 PDF icon PDF Sealed Report
1410-05 Foam Plastic Insulating Sheathing Products & Accessories Used as a Code Compliant Water-Resistive Barrier (WRB) System 01-28-2015 PDF icon PDF Sealed Report
1410-06 Foam Plastic Insulating Sheathing Used as an Air Barrier Material in an Air Barrier Assembly 12-02-2014 PDF icon PDF Sealed Report
1303-04 Attachment of Exterior Wall Coverings through Foam Plastic Insulating Sheathing to Wood Wall Framing 08-18-2014 PDF icon PDF Sealed Report
1707-02 Attachment of Exterior Wall Coverings through Foam Plastic Insulating Sheathing to Cold-formed Steel Wall Framing 08-18-2014 PDF icon PDF Sealed Report
1304-01 Attachment of Windows with Integral Flanges through Foam Plastic Insulating Sheathing to Wood Framing 08-29-2013 PDF icon PDF Sealed Report
1509-10 Prescriptive Requirements for Installation of Vinyl Siding over Foam Plastic Insulating Sheathing 08-09-2012 PDF icon PDF Sealed Report
1205-05 Construction Details for the Use of Foam Plastic Insulating Sheathing in Light-Frame Construction 07-09-2012 PDF icon PDF Sealed Report
1202-01 NFPA 285 Tested Assemblies Using Foam Plastic Insulating Sheathing Products 05-07-2012 PDF icon PDF Sealed Report
1202-04 Foam Plastic Insulating Sheathing Products in Exterior Walls of Type I, II, III, or IV Construction 05-07-2012 PDF icon PDF Sealed Report
1202-03 Foam Plastic Insulating Sheathing Products in Exterior Walls of Type V Construction 05-07-2012 PDF icon PDF Sealed Report