You are buying a 90x90mm H4 CCA Treated Pine
Q 1. What does CCA Mean?
CCA means Copper Chrome Arsenic
Q 2. What is F7?
F7 is the Australian Standard structural grade to the timber given by the mill.
This visually stress-graded rating is a popular choice for use in decks and pergolas. Often preferred by builders for its strength, flex and cost qualities
Q 3. What is H4?
H is the Treatment Level and 4 means that suitable for in ground contact.
Other lengths and sizes are available on request