Mike Oehler's engineering tables spec out the girders and beams to be Fir / Larch.
Can I use those engineering tables with other types of wood? Does it make a big difference what type of tree you use? Are hardwoods or softwoods better?
The time is always right to do what is right. -Martin Luther King Jr. / tiny ad
Switching from electric heat to a rocket mass heater reduces your carbon footprint as much as parking 7 cars
