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Solar Panels: Weathertightness & Airtightness

sas · 2010-08-05 14:51:32

This one has been bothering me. Given the high temperatures (at times) of the pipe work between panels\tubes and the tank inside the house, I have some concerns as follows: How do you seal any penetrations through the roofing felt? How do you seal any penetrations through the airtight membrane internally in a manner which…

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05-08-2010 3:51pm

#1

sas

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This one has been bothering me. Given the high temperatures (at times) of the pipe work between panels\tubes and the tank inside the house, I have some concerns as follows:

How do you seal any penetrations through the roofing felt?

How do you seal any penetrations through the airtight membrane internally in a manner which will actually retain it's seal long term?

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#2 05-08-2010 4:39pm
sydthebeat

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i would think the higher the grade of insulation around your pipes, the lower the surface temps of teh pipes and thus the less risk of future issues....

just a theory though..... im sure it comes down to cost...

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#3 06-08-2010 7:17pm
homewardbound11

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Posts: 834

Hi Sas,

I came across a material epdm for the air tight material. it i believe will work up to 120 degrees and works for airtight material. proclima sell it also. 8 euro a square i think with holes precut for your piping.

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