Just a guess here.... probably your wood is an off white/pine looking
color. I haven't seen all the markings lumber folks use, and surely
haven't seen all of them older than when I started many years ago.
I do remember framing houses/apts. in '73, before all the stamps were
I am thinking that your flooring was probably not flooring at all when
it started its life, but probably wound up that way.
Stand = stand cut/dried
S grn (N) = sun dried green or sanded green to nominal dimension
W Hem 114 = Hemlock, probably a type of designation following
It sounds like your floor was framing lumber at one time. We used to
get those nasty hem/fir mix studs and 1X4s in great numbers years and
However, when we got the good stuff from Canada, we framed with wood
that was almost #1 beautiful, and I made a lot of pine pieces out of
the really pretty stuff. It is certainly conceivable (except if it was
green) that the wood you got was simply made into flooring by an end
user (like me!).
Tell us the dimensions of your lumber, and the appearance of it, as
well as the approximate age. SOMEONE here will KNOW what these marks
Stand = standard grade
S grn = surfaced green (over 19% moisture)
(N) = Canadian Origin for the lumber
W Hem = West Coast Grown Hemlock (western hemlock Tsuga heterophylla)
114 = Timber grade (over 5 inches thick)
Sources: West Coast Lumber Inspection Bureau - US Lumber Grading
Standards, Carpentry and Building Construction Third Edition
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