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Old 08-19-2011, 06:27 AM   #1
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Those of you who insulated your front cap

The front cap over the windshield in our MH produces a lot of heat when the sun beats on it. The TV (still a tube for now) and electronics like the satellite receiver are in cabinets up there producing heat also. If I stick my hand up by the ceiling there I can feel the heat coming out. Consequently the front feels warm and the AC doesn't need any more challenges when it is hot out.

I stuffed some faced fiberglass insulation up there and it helps a little but it could be better. I considered the foam in a can stuff but wonder what might happen if the running lights up there ever needed work if it would make it impossible. Two other ideas I had were to stuff more unfaced fiberglass up above what I have in there now and maybe put electric strips up in the cabinets so any of the electronics not in use could be shut off. I know the satellite receiver should stay plugged in to update but the DVD player and digital converter box could be shut off.

What did you do?
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Old 08-19-2011, 07:00 AM   #2
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Originally Posted by HD4Mark View Post
The front cap over the windshield in our MH produces a lot of heat when the sun beats on it. The TV (still a tube for now) and electronics like the satellite receiver are in cabinets up there producing heat also. If I stick my hand up by the ceiling there I can feel the heat coming out. Consequently the front feels warm and the AC doesn't need any more challenges when it is hot out.

I stuffed some faced fiberglass insulation up there and it helps a little but it could be better. I considered the foam in a can stuff but wonder what might happen if the running lights up there ever needed work if it would make it impossible. Two other ideas I had were to stuff more unfaced fiberglass up above what I have in there now and maybe put electric strips up in the cabinets so any of the electronics not in use could be shut off. I know the satellite receiver should stay plugged in to update but the DVD player and digital converter box could be shut off.

What did you do?

I have been thinking the same thing. But I was thinking about using the Dow Safetouch fiberglass free type. My thinking was the jarring going down the highway might cause some of the fiberglass to dust out into the living area air or when driving maybe dust down on to the driver and passenger. I have also considered the rear cap. Maybe somehow blocking the opening under the rear cap and fill the empty space with foam shipping peanuts or loose fill foam of some type. Seems like foam would not create any large weight to the rear. I have lined the inside backs of the cupboards with 1/2" foam board and found it helps keep them cooler if the sun hits the sides. Behind the couch I added a 2" sheet of foam along with a empty space between the dinette seat and the wall. The floor storage area under the dinette seats I lined with 2" foam. I think any added insulation is worth while and the cost is low.
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Old 08-19-2011, 09:54 AM   #3
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I insulated with 3/4" rigid foam board and doubled up on it so there's an 1 1/2" up there. I also added a muffin fan that blows over the back of the LCD TV and out the top front. By removing the TV I still have access to any wiring up there.
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Old 08-19-2011, 01:12 PM   #4
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I insulated with 3/4" rigid foam board and doubled up on it so there's an 1 1/2" up there. I also added a muffin fan that blows over the back of the LCD TV and out the top front. By removing the TV I still have access to any wiring up there.
Paul,
Did you go all the way across and front to back with the foam board? Looked like it would be tough to get it in place up there. Seems your LCD TV would give off less heat than the old tube. I had the molding and plastic enclosure out from around the TV when I stuffed insulation in and just pulled down the inside top of the cabinets.
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Old 08-19-2011, 01:51 PM   #5
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I went across the back, top and both sides up to the rear edge of the TV. The LCD doesn't put out as much heat as the old tuber but when the sun beats down on the front cap it gets a bit toasty in there whether the TV is on or not.
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Old 08-19-2011, 06:48 PM   #6
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Yep, it is not insulated good. Not as good as it should be. Now, button that all back up, go crack a cold one, and sit outside and enjoy nature. Remember, it's only an RV, not a house.
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