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How much will it cost to re-roof a house that is covered in solar collectors? - Page 2

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Posted by Eeyore on April 8, 2009, 3:51 am

Rick F wrote:

What materials do you use to roof your houses ?


Posted by Rick F on April 8, 2009, 9:15 pm

Well.. What you find around here (in most of California) are any of
the following :

1) Asphalt -- this is by far the biggest seller -- probably on the
order of >75% of the homes use this material.. If you go to your
average roofing supply place the pricing and lifespan for these is all
over the place -- some at the low end are perhaps good for 15 years
for the cheapie stuff and some may run 45+ years for the super thick

2) Roll roofing -- SUPER CHEAP, but lifespan is very poor -- perhaps
~5 years.

3) lightweight concrete (or not lightweight) tiles -- meant to look
like some stone variant

4) Real tile -- expensive & frequently break particularly when the
house is tented for termites

5) Slate, stone,etc.

6) Metal.. I've seen only 1-2 homes in my 40+ years living here that
have metal roofs like you might find in, say, Colorado.. Very
unpopular and I'd be willing to bet that very few roofers know how to
install them

7) ?? I think that about covers it -- I don't believe anyone is
allowed to have an old Shake roof anymore if they're re-roofing.
That's still common elsewhere but is considered a fire hazard around

Posted by Mel on April 9, 2009, 10:01 am
 Rick F a crit :

Why are real tiles (I'm talking about clay-fired  terra cotta stuff) so
rare? I'm not sure what "tented for termites" means, but if it's
something to do with making the house wobble, I'm not sure why that
would necessarily break tiles, there are so many ways of laying tiles
that you can put them even in seismic zones and they can "flex" with the =

building (they can also be shaken of onto your head, which is not so good=

I'm surprised that steel roofs are also rare, there are plenty of places =

with similar climates that use metal roofing.

Surely the cost of something with a lifespan of 50 - 100 + years makes
sense in the global building cost? If you sell a house that needs to e
reroofed 5 years later, that will be reflected in the sale price, right? =

  Or are houses designed with a limited lifespan in your area?


Posted by Rick F on April 9, 2009, 4:01 pm

The reason is primarily cost.. Tile is expensive and frequently found
homes looking for a particular style (e.g. mission style).  As for
fragility and termiting -- I'm referring to the need to have regular
tenting (in my opinion houses out here ought to be tented every
10-15 years) to control termites.. If you've never heard of tenting,
checkout the URL below for more info :

In my experience with companies that do tenting is that they will
break tile whether they're concrete or traditional clay.  They just
care because the owner of the house signed a waiver (much of the time)
removing them from being responsible for replacement/repair

Many people don't live in homes 30+ years so the long lifespan of a
metal roof is not a big selling point.  Like I said -- I've only seen
couple of residential home roofs that chose metal.. I notice those

Many people in the Los Angeles area are constantly on the move and
frequently will buy a very small home, live in it for ~4-5 years and
the market goes up they sell it, take the profit and move to a newer
We did exactly that -- we lived in a home for about 5-6 years, sold it
moved up to a nicer home with the proceeds that came from the value
increase on the old home over that short period of time.  Of course
that the markets in the toilet, this game does not work.. There are
of homes on the market now for sale and buyers certainly have their
choice of low-end --> high-end homes -- house prices are flat and
still as more foreclosures hit home in areas.. A home a few miles from
our house was recently listed on an Auction site as the seller was
to sell it the more traditional way.   Anyway, to get back to the
topic at hand,
the big issue that I think causes people to think differently here is
most do not expect to have that same house in 20+ years so there's not
much interest in buying a roof that's good for 50+ years -- little

Posted by daestrom on April 7, 2009, 9:40 pm

Maybe you don't have the same weather?

Asphalt shingles in upstate NY last about 20 years.  If you want an all
steel roof or copper even, they last much longer.  But cost a lot more.  Had
one house re-roofed with asphalt for about $500 several years back.  The
price would have been >$0,000 for steel.

And since I'm not in that house any more after considerably less than 20
years, I'd say my choice was good for me.


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