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BANGKOK 21 May 2019 21:35

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I have one window, in the house I live in, that gets direct sunshine from 3 pm to 5.30 pm and makes it unbearable inside, ( it’s my bedroom so not great for my afternoon nap ).
Not really feasible to plant any trees etc .
 
Next door house has film ( the patterned type from HomePro etc ) on their windows but I suspect that is only because they don’t have curtains and not sure if this type of film is good for uv or just for decoration and to obscure vision ?We have curtains but need blackouts fittings to the curtains.
 
My gf suggested we could fit film , used for autos, on the windows as it’s specifically for this purpose and I couldn’t think of a reason why not .
 
Any reason why this would not work ??
 
Anyone tried this ??
 
Or should I go with the blackout curtains ??

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I've had both in the past and prefer reflective blackout curtains.

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Posted (edited)

I had the same problem with a west-facing bedroom.  Have both the window film (easy to install DIY) and curtains with the silver fabric backing (both were professionally made-to-order, with the silver fabric attached to the curtain with velcro - which also reduces fading and extends the life of the curtains).

 

Problem solved so long as the curtains are closed, and the windows left open - I've found the film alone to be insufficient.

 

 

Edited by dinga
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Film means dim dungun full time - much better to control with blackout (silver reflective) backing on curtains.  

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1 hour ago, lopburi3 said:

Film means dim dungun full time - much better to control with blackout (silver reflective) backing on curtains.  

That rather depends on the film. The type that will reduce heat transfer by a lot without reducing the light by much is available it does work but it is very expensive. 

 

The cost effective way is curtains.

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Admit my experience dates back more than a few years (1970's) so may have better options in film now but after working behind such windows for six months at US Embassy Beirut never wanted to do so again (although part of reason was to limit shattering from sniper hits).  But to me simple backing on curtain makes sense as completely removed when not wanted.

Beirutembassy.jpg

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Okay guys, seems like the best way to go is to add reflective blackouts to the back of the curtains.

 

It was the gf’s idea and I wondered if it would work or be cost effective.

 

As it seems that it’s not gonna be very effective I am in the fortuitous position of being able to go back to her and say : “ don’t be f$&kin stupid “

 

Of course we all know that’s not gonna happen, I’ll probably just say : “ nice idea darling but I consulted the oracle and it seems like blackouts are the way to go. Now get in that bedroom !! “

 

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2 hours ago, Andrew Dwyer said:

Okay guys, seems like the best way to go is to add reflective blackouts to the back of the curtains.

 

It was the gf’s idea and I wondered if it would work or be cost effective.

 

As it seems that it’s not gonna be very effective I am in the fortuitous position of being able to go back to her and say : “ don’t be f$&kin stupid “ emoji51.png

 

Of course we all know that’s not gonna happen, I’ll probably just say : “ nice idea darling but I consulted the oracle and it seems like blackouts are the way to go. Now get in that bedroom !! “

 

Just as a guide to do a car with the standard film is probably about ฿ 3,000 to do the same car with the good heat protection film is over ฿40,000 as your windows are a lot bigger than a car my guess is that unless you can buy the film wholesale it's going to be crazy money.

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2 hours ago, Andrew Dwyer said:

Okay guys, seems like the best way to go is to add reflective blackouts to the back of the curtains.

 

It was the gf’s idea and I wondered if it would work or be cost effective.

 

As it seems that it’s not gonna be very effective I am in the fortuitous position of being able to go back to her and say : “ don’t be f$&kin stupid “ emoji51.png

 

Of course we all know that’s not gonna happen, I’ll probably just say : “ nice idea darling but I consulted the oracle and it seems like blackouts are the way to go. Now get in that bedroom !! “

 

I suggest you approach one of the local monks and pay him to convince your GF ghosts will get in with film and without curtains. Or that it's bad luck in a house.

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Just as a guide to do a car with the standard film is probably about ฿ 3,000 to do the same car with the good heat protection film is over ฿40,000 as your windows are a lot bigger than a car my guess is that unless you can buy the film wholesale it's going to be crazy money.

Okay, thanks for that, that’s just sealed the deal for me, I had no idea it was that expensive, I have it on my car but it came as “ a free extra “ .

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2 hours ago, Andrew Dwyer said:


Okay, thanks for that, that’s just sealed the deal for me, I had no idea it was that expensive, I have it on my car but it came as “ a free extra “ .

I rather doubt that the 3M silver nanotechnology film was provided as a free extra, certainly possible but, it is so expensive that supplying it as a freebe is rather unlikely. Do you have any proof of the exact film that was fitted? Some windscreens do have a film already fitted & due to economies of scale they might have the silver film fitted at a reasonable price. I also suspect that the dealer may pass this off as an extra.

 

 

I will be buying a car when the engine I want is released and there is no way that I will be trusting that they will really fit the good film

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I rather doubt that the 3M silver nanotechnology film was provided as a free extra, certainly possible but, it is so expensive that supplying it as a freebe is rather unlikely. Do you have any proof of the exact film that was fitted? Some windscreens do have a film already fitted & due to economies of scale they might have the silver film fitted at a reasonable price. I also suspect that the dealer may pass this off as an extra.
 
 
I will be buying a car when the engine I want is released and there is no way that I will be trusting that they will really fit the good film

I’ve no doubt that the film i got wasn’t the best quality ( probably mid range ? ) but it does seem to work okay and I’m happy with that .

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We have a south facing window getting sun 5 or 6 hours per day. Decided to cut a 1 meter square of foil backed foam, like used on metal roofing. Fit it snugly against the window inside the wooden frame. Pressure fit, no attachment, can be pulled down and put back in seconds. Never take it down. Also helps keep the cool in when AC is on. Light from a non sun window is plenty. Product is available in rolls at Home Pro, etc.

 

Also love the silver black out cloth we bought at the curtain shop and DIY’d on sliding glass doors using fishing line across the wall above the doors as a hanger. End result is the cloth is flat against the wall, seals well against light and heat, and slides open easily.

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13 hours ago, Andrew Dwyer said:

Okay guys, seems like the best way to go is to add reflective blackouts to the back of the curtains.

 

It was the gf’s idea and I wondered if it would work or be cost effective.

 

As it seems that it’s not gonna be very effective I am in the fortuitous position of being able to go back to her and say : “ don’t be f$&kin stupid “ emoji51.png

 

Of course we all know that’s not gonna happen, I’ll probably just say : “ nice idea darling but I consulted the oracle and it seems like blackouts are the way to go. Now get in that bedroom !! “

 

Are you sure the extreme heat is coming in through the window?

 

We tried film and backed curtains, achieved nothing. Ultimately on the advice of a retired farang engineer we realized the heat in coming down through the ceiling and especially so on the corner of the house that gets the most sun. 

 

Much much thicker insulation in the roof and allowing the very hot air to get out of the ceiling had a much better effect.

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Are you sure the extreme heat is coming in through the window?
 
We tried film and backed curtains, achieved nothing. Ultimately on the advice of a retired farang engineer we realized the heat in coming down through the ceiling and especially so on the corner of the house that gets the most sun. 
 
Much much thicker insulation in the roof and allowing the very hot air to get out of the ceiling had a much better effect.

The sun is directly onto the window for a few hours and you can feel ( and see ) the heat through it, we have another window in the room and the difference is obvious.
So, reflective blackouts curtains will be the first step.
The window film was something the gf mentioned and it seemed a good idea but due to cost will put on the back burner.

Insulation is something I’ve not really looked at but probably should give it some thought.

It’s a bungalow in a newish moobahn with the standard roof tiles ( ceramic on cement ? ) and has the reflective material on the underside.
The ceilings are all suspended with plasterboard/gyproc type material .

I have seen people discussing fans to extract heat in roof area but they are usually talking about roofs with gable ends so not sure how that would work for me as my roof is pyramid shape ?

Any suggestions on this would be welcome.

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