TIMBERS, DIMENSION, DOUGLAS FIR,
|Sizes in Inventory|
#1 & BTR DF FOHC S4S
Plywood 1 1/8"
What is ACQ Preserve?
|Ammoniacal Copper Quat (Type B - 66.7% Copper as CuO, 33.3% Quat as didecyldimethylammonium Chloride) was first included in the AWPA standards in 1992. It is a waterborne wood preservative containing no Chromium or Arsenic, used primarily to preserve lumber.|
|The Wolman® E solution is a copper-based preservative with an organic fungicide. AWPA refers to it as CBA (copper boron azole). It is the preservative in Wolmanized® Natural Select wood.|
What is It's History?
Laboratory work was initiated in England in the late 1980s. Commercial use began in Germany in 1992. Around the world, this treatment has quickly become the most popular of the alternatives to CCA.
Wolman® E Preservative is a formulation of copper azole, first used commercially
as a wood preservative in 1992. It is a proprietary product of Arch Wood
Protection. Copper is the Principal active ingredient, protecting against
termites and fungal decay. Protection against copper tolerant fungi is
provided by an organic azole which has been used in fungicides applied
to fruits, peanuts, and other crops. A third ingredient is boric acid,
found in eyewash, vitamins, and antiseptics, it defuses in wood and offers
This waterborne preservative, applied by pressure process, is listed in AWPA Standard P5 as CBA (copper boron azole). It is a blue liquid, which is shipped, handled, and used in a manner similar to that for CCA. Ammonia can be used as an additive to aid penetration of hard-to-treat species.
Chemonite® is the registred tradename for ACZA (ammonialcal copper zincarsenate), a waterborne wood preservative. Pressure treating wood with Chemonite® protects against marine borers, insects and decay.