Solutions
Built around how you build.
Same three layers, same chemistry. What changes is which layers you run, who applies them, and what paper you need at the end. Find your seat below.
Architects & specifiers
An evaluated alternative to FRTW you can write into 06 05 73.
MFB-34 EPA Safer Choice Fire Retardant Treated Wood carries DrJ TER 2504-101, written against the alternative materials provision (IBC 104.2.3, IRC R104.2.2). Allowable design stresses in dry use are unchanged from untreated DF. We return marked-up Section 06 05 73 language for the framing scope.
01 — DrJ TER 2504-101
Core
Class A lumber
Flame spread ≤ 25, smoke ≤ 450. UC1, UC2, UCFA. IBC/IRC/IECC 2018–2024.
02 — ASTM E84 extended
Optional
Job-site fire defense
Specify as a construction-phase requirement in Division 01.
03 — ASTM G21
Optional
Snap-Plate Mold Defender™
Specify at 06 11 00 for slab-on-grade and mudsill conditions.
What you get at close-out
Full TER 2504-101 on request
Design value table for treated DF 2×4
CSI spec language, marked up for the project
Who's doing it
Evaluated by DrJ Engineering, LLC, ANAB ISO/IEC 17065 accredited. Report renews January 1, 2027.
Fifteen minutes with you and whoever runs your framing.
If it does not fit the way you build, we will tell you so.