On Sunday, July 3, 2016 at 5:57:03 PM UTC-4, James Wilkinson wrote:
Do you mean this?
Generally they're not individual shingles, but a larger piece with the
profile of three shingles cut into it.
They are extremely common in areas where it does not get too hot,
and where wildfire is not much of a danger. They are the most common
residential roofing material where I live (Michigan).
They are favored because they are inexpensive and require not much
special skill to install. A homeowner and his buddies can generally
accomplish the task satisfactorily.
On Tuesday, July 5, 2016 at 1:33:09 PM UTC-4, James Wilkinson wrote:
Their appearances is intended to simulate wooden shingles or shakes,
We roll out asphalt "paper" underneath shingles. The shingles have
some sort of mineral granules to make them last longer.
I've got a low-pitch roof on a porch; they rolled out material that
looked to be identical to our asphalt shingles, but it was much
wider (and, of course, longer). The cost for that was more than
for standard shingles.
I'm not clear on the economics of the industry; it seems like it would
be cheaper to use the roll roofing everywhere. On the other hand,
people are used to the "three tab" shingles that imitate more
expensive roofing, and there probably would be resistance to the
change in appearance.
We also have standing-seam steel roofing (typically enameled in some
color), but that is more common on commercial buildings. I see it
from time to time on old farm houses, and on modernistic dwellings.
It's a lot more durable than asphalt shingles, and correspondingly
In the south and southwest, clay tile is common, but it doesn't
hold up well to the freeze-thaw cycle, so it's uncommon up here
in the north.
Bottom line, it's all about cost. People will use the cheapest
thing that doesn't embarrass them in front of their neighbors.
The ones you showed don't look too bad, but I've seen one with plain silver-coloured corrugated metal. The house looked like a barn. Yet the rest of the (recently built) house was done tastefully and not on the cheap.
Although I can accept talking scarecrows, lions and great wizards of emerald cities, I find it hard to believe there is no paperwork involved when your house lands on a witch.
-- Dave James
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