But as the classification of balsa wood demonstrates there is no minimum weight requirement to become a hardwood.
Is 2x4 hardwood or softwood.
Pine is not a hardwood.
They sized down because of engineering tolerances that showed the sheathing plywood or osb on the outside of the rough framing improved things to the point where they could size down the.
The hardwood softwood terminology does make some sense.
This happens to be generally true but there are exceptions such as in the cases of wood from yew trees a softwood that is relatively hard and wood from balsa trees a.
The national hardwood lumber association governs the standard grading system of hardwoods in the united states.
Hope this answers your question shawn m.
Hardwood lumber classification and grading is much simpler than softwood lumber.
For hardwoods appearance is the primary factor in grading.
We have also tried the plastic cribbing with some success.
However in light of the spectacular review it got in this forum i am leary of using it in the winter time.
The general idea behind western platform framing is you need to be light with redundancy.
Way back when a 2x4 was actually an inch and 3 4 by 3 and 3 4.
Softwood general term used to describe lumber produced from needle and or cone bearing trees conifers hardwood a general term referring to any variety of broad leaved deciduous trees and the wood from those trees.
Actually we use hardwood for our 2x4 and 4x4 cribbing sections and soft wood for our step chocks.
It is true that many hardwoods are more difficult to machine than softwoods however the distinction actually has nothing to do with the hardness or workability.
It comes from a coniferous tree which is one that has needles instead of leaves and is green all year round in other words an evergreen the wood from conifers is classified as softwood because with a few exceptions it s softer than the wood from deciduous trees which is classified as hardwood.
It is a common misconception that hardwoods are called hardwood because the wood is hard while softwood is so named because they are soft.
Only about 25 of softwoods are used in woodworking.
Hardwood is thus best suited for fine woodworking like cabinetry furniture and flooring.
Classifying wood as either a hardwood or softwood comes down to its physical structure and makeup and so it is overly simple to think of hardwoods as being hard and durable compared to soft and workable softwoods.
A softwood 2x4 from the lumberyard will measure 1 1 2 x 3 1 2 because it has a smooth planed surface.
There are four possible hardwood lumber grades.
Hardwood trees take longer to mature so their density tends to be more expensive than softwood species.