Wood Weight Calculator
Wood
https://www.inchcalculator.com/lumber-weight-calculator/
Table:
https://www.engineeringtoolbox.com/green-kiln-dried-pressure-treated-lumber-weights-d_1860.html
Plywood
Calculator - https://www.builderscalculator.com/plywood-weight-calculator/
- 0.688 (3/4") weight is 99 lb or 4.5 lb/sf
Treated
- 4x8, 1/2" - around 60 lb. [1].