Treated 4x4x16 #1 ACQ Ground Contact
Category: Lumber & Building Materials
SKU: TL040416
$28.99
In Stock · Midwest Builder & Supply — Iowa & Missouri
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Treated 4x4x16 #1 ACQ Ground Contact — SKU TL040416. Nominal 4 in. x 4 in. x 16 ft. pressure‑treated post (typical actual dimensions ~3.5" x 3.5" x 16') offered as an individual #1‑grade ground‑contact post. Treated with an ACQ (alkaline copper quaternary) or equivalent copper‑based preservative for in‑ground use, this Southern Yellow Pine post is intended for fence posts, deck/railing posts, pergola supports and other above‑ground or ground‑contact exterior structural applications. Sold singly; use corrosion‑resistant fasteners rated for ACQ/micronized treatments and follow local code for post embedment and anchoring. (Catalog facts and typical specs referenced from national retailer and lumber‑yard listings below.)