[Rhodes22-list] Brad's Roof...

[Brad Haslett]

Rummy,

I've thought about painting the roof of the storage container with the
mobile home roof paint you can get at Home Depot and Lowes.  I'm sure
it would help in keeping the temps down.  When we put the new metal
roof on the shop building last year, we put down insulating decking
first. It must have made a 20 to 30 degree difference in the shop
temperature in August.  Now I wish we'd gone with a lighter color.
There's another idea we've been toying with - poor man's evaporative
cooling (we have a "swamp cooler" for small areas) A guy on the coast
has a horse barn that he mounted sprinklers on.  He pumps water from
his pond, continuously waters the roof, and lets the water gravity
flow back to the pond.  It doesn't take that much electricity to power
the pump and supposedly it's very effective.

Brad

On Fri, Nov 21, 2008 at 8:28 AM,  <R22RumRunner at aol.com> wrote:
> Ed,
> Installing a "green" roof is not as simple or inexpensive as you make it
> sound. There are many large corporations that are installing green roofs and all
> are extolling their benefits, but as a roofing professional, I can tell you
> that  the nightmares these systems cause and or will cause down the road are
> not worth  the effort. Plant roots by nature are highly invasive and can
> penetrate most  roofing materials used today. Installing a "green" roof requires many
> layers of  materials including those for proper drainage.
> A simple solution which is currently mandated in CA and a few other states
> is to apply white roofing materials (Cool Roofs) which can reflect as much as
> 88% of the suns energy. These are the most common roofing systems that I tell
> my  customers to install.
> The days of black roofing systems are just about over for flat roofs. Some
> areas are now experimenting with cool shingle roofing systems. Knowing that not
>  everyone wants to have a white shingled roof in this country, manufacturers
> are  working to create shingles that will reflect the UV bands that create
> heat in  roofing systems. In many Mediterranean countries, white roofs are all
> that you  see. Apparently they know something that we should have figured out
> years  ago.
>
> Rummy
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