Reflectix and blown seals in double-glazed windows?

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Reflectix and blown seals in double-glazed windows?

October 20, 2016, 08:53:49 pm

I've noted a number of folks having problems with moisture between panes of their double-glazed windows, and I wonder if there is some relationship between that and the use of Reflectix insulation against the inside pane in hot weather? The Reflectix manufacturer recommends not using the material this way, and I could see how resultant heat buildup could blow the seals. I would be interested if any folks had seal failure in windows where Reflectix is used, and not in ones without?

Steve

Re: Reflectix and blown seals in double-glazed windows?

Reply #1 – October 21, 2016, 08:43:35 am

Never have used Reflectix anywhere. Fogged back window, so no cause-effect relationship with my rig.

Joan

Re: Reflectix and blown seals in double-glazed windows?

Reply #2 – October 21, 2016, 12:08:41 pm

We use Reflectix on the vents and glass in the cab. Never put it on the Hehr windows. My theory is bending and twisting the rig on some back roads may cause the fogging.

Still hoping someone will report success in having the fogged windows rejuvenated at some cost less than having the Mothership replace them.

Re: Reflectix and blown seals in double-glazed windows?

Reply #3 – October 22, 2016, 04:55:43 pm

I have a 2003 mid-bath with a fogged rear window. We have never used Reflectix, but I had wondered if my use of a fresnel lens on the rear window had concentrated heat in one area causing the window to fog?

The first time I saw the fogged window, I had the LD parked with the rear window exposed to a very hot sunny exposure. I had left the rig for a while and returned to check on our cat. It had gotten hot in the rig so I ran the genset so I could cool down the interior. After around a half hour, (I think the cool air from the air conditioner was hitting the rear window), I saw a fogged area the size of a dinner plate right above the fresnel lens. It disappeared during the evening but that was the start of it for us.

I would like to remedy this, but a trip from Ohio to the factory for replacement is not under discussion.

Steve K.

Re: Reflectix and blown seals in double-glazed windows?

Reply #4 – October 22, 2016, 05:00:41 pm

Quote from: Steve K. - October 22, 2016, 04:55:43 pm

I have a 2003 mid-bath with a fogged rear window. We have never used Reflectix, but I had wondered if my use of a fresnel lens on the rear window had concentrated heat in one area causing the window to fog?

The first time I saw the fogged window, I had the LD parked with the rear window exposed to a very hot sunny exposure. I had left the rig for a while and returned to check on our cat. It had gotten hot in the rig so I ran the genset so I could cool down the interior. After around a half hour, (I think the cool air from the air conditioner was hitting the rear window), I saw a fogged area the size of a dinner plate right above the fresnel lens. It disappeared during the evening but that was the start of it for us.

I would like to remedy this, but a trip from Ohio to the factory for replacement is not under discussion.

Steve K.

Steve, we have had the fresnel lens for the past 9 years and ours hasn't been garaged in that time. Our back glass hasn't had a problem. However, we have the 30' IB and perhaps there is some difference in the window design.

Jim

Re: Reflectix and blown seals in double-glazed windows?

Reply #5 – October 22, 2016, 05:11:22 pm

"I had wondered if my use of a fresnel lens on the rear window had concentrated heat in one area causing the window to fog?"

Seems very unlikely, if for no other reason than that by the time the sun reaches the lens, it has already passed through the window and is on its way to the interior of the coach--so any concentration could not affect the glass.

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