CSI Products


CSI - Preserve®

Category: Lumber/Engineered/Wood
CSI - Preserve®
Subcategory: Treated Lumber

Preserve® is treated with ACQ®, an environmentally advanced copper and quat preservative system that is arsenic-free and chromium-free.


CSI - Preserve® Plus®

CSI - Preserve® Plus®
Subcategory: Treated Lumber

Preserve® Plus® has the environmentally advanced, arsenic- and chromium-free preservative protection of ACQ®, combined with built-in water repellent protection.