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insulation - roll up shutter door - critique my plan?


gamb00ler

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We have a large multi-generational house with 3 metal roll up shutter garage doors.  That style was not our first choice but the builder didn't seem interested in sourcing US style doors.

 

The orientation of our property means that 2 doors get direct AM sun and the third door gets direct PM sun.  A lot of heat gets transferred to the interior.

 

It just occurred to me that it may be possible to attach radiant barrier to the inside of the doors as long as the barrier sheet remains firmly attached and pretty close to the metal door.  I would also ensure that the barrier has a small amount of extra length between attachment points to allow it to shift a little as the door rolls and unrolls.

 

I'm going to experiment with a small vertical strip to test attachment materials, sheeting and overall functionality.

 

Does anyone have a suggestion for an adhesive that will tolerate the heat and perhaps a hopefully small side force?

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Edited by gamb00ler
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12 minutes ago, gamb00ler said:

It just occurred to me that it may be possible to attach radiant barrier to the inside of the doors

 

If you put something on the inside, then the heat is already inside. I would try first for a solution that the heat does not get in. Maybe some reflective material or even paint on the outside.

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7 minutes ago, OneMoreFarang said:

 

If you put something on the inside, then the heat is already inside. I would try first for a solution that the heat does not get in. Maybe some reflective material or even paint on the outside.

I haven't discussed with SWMBO, but it's unlikely a reflective outside material would pass muster.  But, white paint is compatible with the rest of the outside design.

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39 minutes ago, OneMoreFarang said:

 

If you put something on the inside, then the heat is already inside. I would try first for a solution that the heat does not get in. Maybe some reflective material or even paint on the outside.

I realize that the radiant barrier is not effective in stopping the heat transfer from conduction but the radiant component is substantial and the barrier should help stop that.

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I just remembered what we used to call "space blankets" which are just reflective mylar if I remember correctly.

 

Does anyone know how that would compare to radiant barrier?

Edited by gamb00ler
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1 hour ago, Ralf001 said:

Cut into strips and put in here

Thanks for showing that product.  I was able to type the text into the search field and find the exact product and seller on LazMall.

 

I previously considered using strips of some type of thin foam insulation.  The material you showed seems to have a radiant barrier incorporated as well.  It may also have another advantage in that it may reduce the noise that is sometimes caused by the wind shaking the door.

 

So as my screen name suggests..... I'll gamble that it's going to work and invest 131 ฿ for 1 roll to test.

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4 hours ago, gamb00ler said:

I just remembered what we used to call "space blankets" which are just reflective mylar if I remember correctly.

 

Does anyone know how that would compare to radiant barrier?

They are virtually the same product, the space blanket is probably stronger and, by area, 10 to 100 times the price.

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