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Depending on the state or territory, this method of achieving double glazing breaches building egress codes. I hate to be that guy, but the codes are there for a reason. In the event of a fire or aggreviated robbery/assault, you don't want to be clawing at that acrylic sheet you just nailed into place. Sure I had somebody once say to me "then I'll just die", but you're making that choice for your partner, your child, your parent and anybody who lives in that property after you. Just don't screw or nail it in.

Quote to double glaze eight windows to reduce traffic noise at my house was $23000. Am thinking the cost of materials using 10 sheets of acrylic or polycarbonate is under $4000 if i cut them myself.. the 16mm air gap is ideal for best insulation I am told. Am investigating further but going to install before summer.

How do you do this with a sliding window?

What sealant/glue are you using to put the window in?

where do you buy this foam?

Where to get custom cut plastic sheets in melbourne?

thanks for the video mate, real informative. I guess the only issue is opening/closing windows so if you windows like mine, which are sliding windows, you can only do sections, which may defeat the purpose.

You are a genius

This is exactly what I am thinking and your video provided enough proof of my idea. Thanks

Why does it have to be ignition resistant? You aren't going to use the fireplace when plugged?

100 ml thick polyeurathane foam with ignition resistant properties

Used opaque perspex sheets to block light coming through a window and reduce noise from outside. Worked quite well. Thought it might improve heat retention and it did so more than expected. Was inexpensive and fairly easy job with the added bonus of lowering my heating costs.

Wish you would of shown how to measure this in a fireplace not big enough to crawl into. Also, I see no length of rope attached to remind a user that the chimney is blocked.

You can even use this system for double glazing which i have done good results for noise condesation and heat retention

I had one single pane window in a closet that turen the closet into an icebox in the winter. I add a double wall polycarbonate on the outside. It's been fantastic. I started this because this window produced so much moisture from condesation there was a constant mold battle. This has completely stopped it. If it proves to hot in the summer, it is secured with wingnuts so can be easily removed.

I used magnetic tape so the panel is removeable, works great.

How can I greatly reduce uv/and heat energy in the summer, without window film application? Without drapes?

LOL Double Glazing works not because of two panes of glass! It works because between the panes is a inert gas Argon which has very poor conductivity of heat! What you're doing would be next to useless! You might as well just burn your money.

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Hi：Could u come my place to fix up my glass and window, please!😊

And he didn't explain that acrylic scratches easy and only has a 10 year uv warranty 😂 cheap and nasty. Retro fitting ur old aluminum windows is approximately $500 a square mtr for a Glazier to do.

So there is 16 mm gap between existing window and the acrylic sheet? And can you tell me if this reduces outside noise?

Very good video. I would be interested what the temp of the window would be if you added a low e film coating to the acrylic. In addition a before and after blower door test to measure ACH at 50 pascals would be great.

Thanks for your info. I see you used 4.5mm thick panel. I'm considering using 3mm for my windows. Is there a reason why you chose 4.5mm as opposed to 3mm? Thks

I would be very concerned with trapping moisture between the plastic insert and the original window as presented, otherwise it is a very good idea. Two options to either reduce or eliminate the potential for trapped moisture problems would be to either drill a small hole in two corners of the plastic sheet to allow equalization in the created airspace, or else mount the acrylic panel so that is can be removed from time to time for cleaning.

What's the difference between secondary glazing and double glazing, is it the plastic strip?

Is laminated the same thing?

Thank you for sharing your experience with us as there’s many people who I’d imagine are interested in this kind of project. What with the energy prices rising and most older homes in Australia were not built with any kind of double glazing. We live in a 1960s brick veneer with draughty timber windows and the cost of replacing the windows with Double glazed ones is huge.We are considering a retrofit DIY secondary glazing to existing windows.The glass on the existing windows is 2.8mm thick lol

Does it help with noise reduction?

I’m guessing that this is for non-working fireplaces? Or can you add it when the fireplace is not in use and remove when you want to light a fire?

This is what Ive been looking for

That’s a lie 😂

Just buy your own new double glazed units and install yourself, it's easy. I paid 25% for a window compared to what a window installer wanted. As you do it all yourself you can buy 1 or 2 windows at the time when your budget allows, slowly completing the whole house. Buying acrylic sheets, etc. is all faff.

Will this impede escape if there is a fire

I am going to use cable channelling which has a clip-on top. Then I can remove the sheeting if I need to. Also, the sealed channel will improve the insulation at the edges and improve the appearance.

Instructions are poor but from what I gather, you installed it in such a way that you cant just take it off and put it on at will. You should use two part magnetic tape so that you can easily remove it in the mornings if you want to. Also, I wouldnt use the regular acrylic (assuming its just perspex). Go for the polycarbonate which is much more resilient and about 200 times stronger than acrylic and doesnt have a habit of cracking like perspex if it slipped out of your hands. A tad more expensive but much better and convenient if you did it this way

What about condensation vents!!!

What about old timber windows.how could you do this?

Which "silicone" did you use?

What about gas. Argon is the critical ingredient in double glazing.

I’m confused how this works Is the channel attached to the windows with double sided tape and then does the acrylic sit in the channel or just stuck to it with tape?

awesome ! questions : sound proofness = zero? scratch proofness too?

Does this also help with noise reduction? Thanks

Any suggestion on where to buy the foam? Can't seem to get it from Bunnings.

Can you list the instructions for me please?

How does the clarity of the acrylic compare to glass?

How do you cope with condensation?

Nice one Cal!

So what did you do with regards to the windows that open? These are the ones which could bring down the temperature after a hot afternoon using cross ventilation during the night.

Great idea! Thanks so much!