IMO (having many buildings using them) the primary benefit of sawn
shingle over a shake or riven shingle is that they lay much flatter so
on slatted roof w/o underlayment (the traditional installation), they
protect against wind-driven snow far better.
I made mistake on re-roof of the barn to use shakes instead owing to
local supplier being out of enough stock on hand late in season (had had
a major hailstorm that had caused very high demand in town but by time I
was ready to start that year the demand had gone down and they didn't
want to order a full truckload w/ nowhere to store over winter) made me
a "deal" on 1/2" shakes at $95/sq instead of nearly $300/sq for the 75
sq needed on special order.
Was a mistake; KS winter snow blows even though is water tight otherwise...
Most structures around during current generations lifetimes will be sawn
tapered shingles. You won't find hand or machine split non-tapered stuff
unless you visit some historic site that does true to history
construction. True hand split shakes used in the 16-1700s were not
tapered. Tapering isn't hard BUT it was probably discovered by accident
all you really need to do to taper a hand split shake is to flip the
block end for end as you split each shake. I somewhat doubt this was
something that old Jedidiah bothered with when he was building his cabin
in the woods. In areas that had access to water power and a place to set
up a mill they would have probably had machine split for a while, until
someone figured out how to use a saw and make the job a bit less
dangerous for the operator.
Sawing allows for all the above, BUT split shakes were around LONG
before they even thought about sawn shakes. As for knots, they were used
regardless, as long as the knot was not in the face area on the shake it
didn't make much difference for the undercourse. Same with
warped/twisted grain, saws allowed that wood to be used. Splitting didn't.
#1 shingles will be of equal duration as shakes of same material and
quality and initial butt thickness. Key is comparing equal amount of
material; shakes generally are 1/2" or even thicker; a "fivex" is 5/2"
or just a little over 3/8" so there's less material.
2060: looks like a hardware store display rack for handsaws
2061: Could be a coathanging hook, in a form suitable
for quickly affixing to your log cabin wall...
2062: a grip gizmo for opening jars and bottles
2063: perhaps a horticultural hole-maker? To plant a seedling into...
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