Structural-treated pine is the most popular product used for outdoor constructions. 70x45 mgp10 is used a lot as rails in picket fences.
Each piece of structural timber is treated for borers, termites and is able to be subjected to moderate each piece of structural timber is treated for borers, termites and is able to be subjected to moderate wetting in a well ventilated area for up to 20 years. wetting in a well-ventilated area for up to 20 years.