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 visit the DrJ Certification TER Directory.
| No. | Report | Title |
|---|---|---|
| DRR 23-0147 | TechWood 4400 (TW4400) Wood Protection Treatment Approved Alternative to Fire-Retardant-Treated Wood | |
| DRR 1707-02 | Attachment of Exterior Wall Coverings through Foam Plastic Insulating Sheathing to Cold-formed Steel Wall Framing Legacy Document | |
| DRR 1509-10 | Prescriptive Requirements for Installation of Vinyl Siding over Foam Plastic Insulating Sheathing Legacy Document | |
| DRR 1410-06 | Foam Plastic Insulating Sheathing Used as an Air Barrier Material in an Air Barrier Assembly | |
| DRR 1410-05 | Foam Plastic Insulating Sheathing Products & Accessories Used as a Code Compliant Water-Resistive Barrier (WRB) System | |
| DRR 1304-01 | Attachment of Windows with Integral Flanges through Foam Plastic Insulating Sheathing to Wood Framing Legacy Document | |
| DRR 1303-04 | Attachment of Exterior Wall Coverings through Foam Plastic Insulating Sheathing to Wood Wall Framing Legacy Document | |
| DRR 1205-05 | Construction Details for the Use of Foam Plastic Insulating Sheathing in Light-Frame Construction | |
| DRR 1202-04 | Foam Plastic Insulating Sheathing Products in Exterior Walls of Type I, II, III, or IV Construction | |
| DRR 1202-03 | Foam Plastic Insulating Sheathing Products in Exterior Walls of Type V Construction | |
| DRR 1202-01 | NFPA 285 Tested Assemblies Using Foam Plastic Insulating Sheathing Products |