Most common rule?

[jesper_t]

Hi! I might be cutting up some timber. Not entirely sure what I'm going to do with it all, but possibly a greenhouse. What dimensions should I choose? 45x95, 45x120, 45x145?

 

[justusandersson]

For a greenhouse, you don't need stronger dimensions than 45x70 unless it's going to be very large. Otherwise, 45x95 is the most all-around choice. For house frames, 45x120 and 45x145 are often used today (with regard to insulation thickness), so you should probably consider your needs carefully.

 

[jesper_t]

Thank you for the nice and knowledgeable response.