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Old 02-20-2008, 08:24 PM   #21
Beerthoven
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Orfy, jdoiv, thanks for the ideas (and pics). I'm going to figure out a way to make the tree idea work.

Cheers,


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Old 02-20-2008, 08:48 PM   #22
Crazytwoknobs
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I don't think the vines would get fried if you had them on a lattice that was raised above the level of the roof. If the roof isn't getting sun (leaves get hit by sun too, ya know) directly, it wouldn't heat up much, and if air can flow between the shingles and the vines, I'd say everything is fine.

Trees have their leaves in direct sun all day, and they play a balancing act between drying out and frying. If they cool themselves (evapo-transpiraton) they run the risk of drying out. If they don't cool themselves, they bake, and the leaf tissues become useless. Yet somehow, we have trees all over the place.

Obviously there's more to it than that, but the idea is there.


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Old 02-21-2008, 04:37 AM   #23
TimBrewz
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Well, I am actually considering the very same plan: to grow up from the ground of the south facing wall to the peak of my detached garage roof. I had thought about the "fry factor" and decided to just figure out a way to elevate the bines to give some air flow(Maybe lattice?). Like was mentioned in another post, the leaves will be absorbing most of the heat, and the transpiration will most likely keep it cool enough that I would not expect any frying of the hops...the hops cones don't come out until late summer/early fall anyway, and it should cool off by then. I could be wrong, but I am going to try...I live in Portland, and though we get hot days, it is rare to get many days of real scorchers, so this may be climate related too.

Good Luck, Tim

 
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Old 02-21-2008, 05:17 AM   #24
Crazytwoknobs
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If on the hot days you watered the vines heavily, my *guess* is that they'd do great.
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Old 02-21-2008, 05:18 AM   #25
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Please, unless you train the bines to grow under the eaves on some strings, don't let them grow over the roof. You WILL fry those buggers to a crisp, even if they're a foot off the actual roof.

This very thing happened to my bines last year. they grew straight up, and I let a few start grow up over the roof so I ran some string above the roof to let them go, just for fun. It got up to 100 degrees out for a full week and they wilted and turned black anywhere they were over the roof. Everywhere else they were fine.

I also live in Portland, OR.
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Old 02-21-2008, 03:49 PM   #26
Beerthoven
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Quote:
Originally Posted by EvilTOJ
Please, unless you train the bines to grow under the eaves on some strings, don't let them grow over the roof. You WILL fry those buggers to a crisp, even if they're a foot off the actual roof.

This very thing happened to my bines last year. they grew straight up, and I let a few start grow up over the roof so I ran some string above the roof to let them go, just for fun. It got up to 100 degrees out for a full week and they wilted and turned black anywhere they were over the roof. Everywhere else they were fine.

I also live in Portland, OR.
I keep going back and forth over whether or not this is a feasible idea. Your experience may have convinced me its not. Summer in the south is hot, and most hops don't do so well in really hot weather. Probably better not to stress them any more than they will be already.
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Old 02-21-2008, 04:21 PM   #27
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I myself would worry more about the vines growing up under the shingles and wrecking the roof.
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Old 02-21-2008, 04:29 PM   #28
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Quote:
Originally Posted by MikeFlynn74
Thats about what im going to do- Except my roof is flat and what I am doing is nothing like your plan.
LOL.

Indeed I am doing the exact same thing too, running the bines over my garage roof.

Of course, by "garage roof" I mean my chain link fence.
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Old 02-21-2008, 04:34 PM   #29
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Quote:
Originally Posted by FSR402
I myself would worry more about the vines growing up under the shingles and wrecking the roof.
I never seriously considered letting the hops grow directly on the shingles. I would have found a way to keep them elevated on wire runners running 8" or more above the roof surface. Even doing that, I think it would be too hot up there.
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Old 02-22-2008, 04:11 AM   #30
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You guys have given me pause...maybe the roof is not a great idea. Local experience from EvilTOJ is enough for me to hear.

Thanks, Tim



 
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