Pressure-treated wood protected with above-ground retention levels of preservatives (UC3B) will remain building-code compliant for deck joists and support beams when the American Wood Protection Association publishes an update to its 2016 Book of Standards later in the year. That’s from Bill Fields, president of Viance LLC, which makes preservatives. Fields said “the use of subjective language in the latest revisions” have caused confusion in the marketplace, adding, “Everyone should understand that Above Ground-treated wood currently used and sold remains acceptable under the IBC and IRC building codes for the most common deck framing applications.” Fields says that—unlike other preservative manufacturers—Viance will continue to warrant its UC3B treated products when they are used for joists, beams, and ledgers. Read More