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Polyisocyanurate panels: Best for blocking thermal/acoustic transmission? Where to buy?


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Posted

Dear Folks,

 

Last month, I gave up on the idea of using plywood to board up my bedroom windows.

 

But, still, please believe me that this is NOT A JOKE, this time.

 

I have a local worker coming to board up my bedroom windows in just another few days.

However, I think I might have found a better solution, rather than plywood, or other materials made from wood.

 

The purpose is to block out:

 

a. sound

b. dust

c. thermal transmission due to direct sun radiation and convection from super-high air temps outside...which reach 50-degrees C, or sometimes 60-degrees C.

 

So then:

 

I have, after doing a bit of internet research, hit upon PIR.

 

PIR, as you probably know, but I did not know, is this:

 

image.png.0593509420ad92f7eb8db375e92b08d2.png

 

image.png.d16905e30dd4570a9aa114d9035a7fdc.png

 

Seems to me that this might be the best solution.

 

This is for OUTDOOR application, only.

Not exposed to rain, most months.

However, during the raining season, the side of the house will get wet due to horizontal rain.

 

The questions are:

 

a. Which brand of PIR is best locally

b. Is this a good solution

c. Will it last for 5 years, while exposed to direct sunlight and rain

d. Most importantly, where to buy in CM. 

 

image.png.60f919eac49e647eb6cc76254f029591.png

 

 

Also, this looks good:

image.png.24df938f06e2a8a9d8b7d011e0082cbc.png

 

But, will it work on a very large exterior window?

 

Tks.


Gamma

 

 

Note:  This is what it looks like on the building site....and seems quite nice.....very large panels....

 

image.png.7e39ad2c9efb31cb719fd90da27865cb.png

 

Just one or two  large panel would be be sufficient for my purposes, initially....

 

 

 

 

Posted

I doubt that you will find that easily, if at all in Thailand, however similar use material is easily available as roofing (we are using it on our outdoor kitchen)

29 minutes ago, GammaGlobulin said:

will it work on a very large exterior window?

Yes you will need a steel frame to screw it on to (simple job, any roofer can do it)

29 minutes ago, GammaGlobulin said:

Will it last for 5 years, while exposed to direct sunlight and rain

Yes

30 minutes ago, GammaGlobulin said:

Most importantly, where to buy in CM. 

Not my area so no idea, but look for roofing suppliers.

 

the material is sheathed on top and bottom with metal, your choice of colour 

Posted
35 minutes ago, GammaGlobulin said:

Note:  This is what it looks like on the building site....and seems quite nice.....very large panels....

The roofing is about 70cm wide and as long as you can transport 

Posted
53 minutes ago, GammaGlobulin said:

The purpose is to block out:

 

a. sound

b. dust

c. thermal transmission due to direct sun radiation and convection from super-high air temps outside...which reach 50-degrees C, or sometimes 60-degrees C.

Sound will still be transmitted through the ceiling cavity, keeping windows closed has the surprising effect of keeping dust out and blackout curtains and air conditioning are manufactured for a reason. Obviously these usual and normal solutions leaves you the option to open your windows when the weather is cooler as opposed to permanently boarding up your windows which IMO isn't normal.

Posted
35 minutes ago, dinsdale said:

IMO isn't normal

 

Normal, in some cases, in Chiang Mai, however.

 

Thank you.

 

 

The Smoking Season is about to hit us here.

Best to prepare in advance.

 

Posted
5 minutes ago, GammaGlobulin said:

 

Normal, in some cases, in Chiang Mai, however.

 

Thank you.

 

 

The Smoking Season is about to hit us here.

Best to prepare in advance.

 

Keep your windows shut. As for about to hit hasn't it already?

Posted
7 minutes ago, dinsdale said:

Keep your windows shut. As for about to hit hasn't it already?

 

Not yet.

Still, the readings are quite low.

Around 100.

 

Wait until it hits 450.

All depends upon wind direction, wind speed, and other factors.

 

So far, it has not hit.

 

Posted
11 hours ago, Clapped out said:

Hi GG,  Over here there is something called multiwall polycarbonate. Its pretty good at blocking sound transmission and heat loss/gain. it lets some light through. Doubt those SIP panels do much of that 🙂

 

for example   https://www.polycarbonatesheets.ie/collections/multiwall-polycarbonate-sheets

 

Thank you.

I will look at this solution.

Posted
13 hours ago, Clapped out said:

Hi GG,  Over here there is something called multiwall polycarbonate. Its pretty good at blocking sound transmission and heat loss/gain. it lets some light through. Doubt those SIP panels do much of that 🙂

 

for example   https://www.polycarbonatesheets.ie/collections/multiwall-polycarbonate-sheets

 

image.png.7b292b78ed1cb7f119cc1baa94109328.png

 

This might work, and would be better for those who wish to allow light into a room.

However, my goal is to block all light transmission, and thermal transmission, as well as limiting as much sound transmission as possible.

Still worth considering.

They seem to be easy to install.

And, light weight is an advantage.

 

Posted
14 hours ago, Clapped out said:

Hi GG,  Over here there is something called multiwall polycarbonate. Its pretty good at blocking sound transmission and heat loss/gain. it lets some light through. Doubt those SIP panels do much of that 🙂

 

for example   https://www.polycarbonatesheets.ie/collections/multiwall-polycarbonate-sheets

This is available in most of the standard shops like Global etc usually in a variety of colours 

Posted
9 hours ago, sometimewoodworker said:

This is available in most of the standard shops like Global etc usually in a variety of colours 

 

Ive seen it with a coating of a reflective bronze. What other colour options are there ?

 

Wonder how much the reflective coating alters the thermal performance

 

At any rate, if GG doesn't want to see out/in then the SIP panel will perform better and probably for less cost

Posted
2 hours ago, Clapped out said:

Ive seen it with a coating of a reflective bronze. What other colour options are there ?

I haven’t looked specifically but in passing remember most of the rainbow. 
you can probably find it online if you use the correct (for Thailand) search options.

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