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Pressure-Treated Timber Trade Names

Type of Treated Timber Trade Names Chemical Manufacturer
/ Treater
Sodium Borate (SBX), also called Disodium Octaborate Tetrahydrate (DOT)
Advance Guard Osmose
SillBor Arch
Timbor Borax
Pac-Bor Borax / Pacific Wood Pres.
TimberSaver PT Viance
Smart Guard Osmose
Hi-Bor Osmose
Cal-Bor Osmose / California Cascade
Composibor Borax
Alkaline Copper Quat (ACQ-C, ACQ-D, ACQ-D Carbonate)
Preserve Viance
NatureWood Osmose
Preserve Plus Viance
Copper Azole (CA-B, CBA-A)
Natural Select
Arch
Wolmanized Natural Select Arch
Sodium Silicate Borate (SBX with NaSiO2) Envirosafe Plus Wood Treatment Products
Ammoniacal Copper Zinc Arsenate (ACZA) Chemonite Arch
Micronized Copper Quat (MCQ) MicroPro™ / Smart Sense™ Osmose
Non-metallic, carbon-based Ecolife™ Viance
Wolmanized® L3
Outdoor®
Arch
Zinc Borate
(Preservative for Wood Composites)
Borogard® ZB Borax

Note:

  1. All trade names are not shown.
  2. SBX and DOT both stand for Sodium Borate treated timber.
  3. See Corrosion Information for additional critical information regarding preservative pressure treated timber and corrosion.
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