Hi,

I'm about to make some decisions to replace all windows of my house for sound proofing purposes, the problem is the my contractor told me it's always best to replace with double glazing windows that is push out type, however, I do have a serious problem with this, my house grills, all of them are fixed outside, so I can't install the push-out type double glazing windows, the only option is sliding windows.

So would I inquire your experience whether does double glazing sliding windows make a lot of difference on sound proofing?

Any comments are appreciated.

Thanks!

sliding then tell them u want sliding.
i also faced the same problem, contractor said push out is better.
i'll said it is easy to install and cheaper !

if u install ur window grill outside instead of inside, thief will find it easy to dismantle them, combined with a sliding window, thats make up for a much easy job to break-in. Sliding window and sliding door does not require much effort to remove it, u just need a screw driver the sliding window can be taken out. Its one of the worst security you could have install for yourself.

This post has been edited by Tohsan: Sep 25 2009, 10:45 AM

thanks guys, but I am more concerned on the sound proofing, whether a sliding window's sound proofing is as good or nearly close to a push out type window?

i am facing the same dilemma, not as lucky as you though, i can't choose to do push out as mine is a serviced apartment and i don't think i can touch the existing window.. i've been contemplating on building a sliding double glazed window..

the contractor told me that sliding window sound proofing is not as good as the push out as the gaps are wider between the windows.. and the push out may have better sound proofing by adding rubber/silicone at the frame.. my greatest concern however is when he told me to expect nothing more than 50% noise reduction

there are many articles online that claim glazed window is only effective to reduce noise up to 30% since the primary function of double glazing is to reduce heat, not noise

Well, I would reckon double glazing windows not only reduce heat and act as insulator, but it's as good as reducing noise too. I used to stay in UK for a year, and just outside of my UK apartment, is a big highway, the double glazing windows however, acts superbly to block any incoming noise when u shut it.

Perhaps, you might wanna look out for other contractors, sometimes contractors are afraid that after installation and we still can't accept the noise level we won't pay the money. Thus, they might have come out with some disclaimers upfront.

I've done some research into this subject too, I find that many glass or windows installers at least in my Penang area, are not so knowledgeable in acoustics. To have a good noise insulation for double glazing, the installers must understand that any glass thickness is prone to certain range of noise frequency and it will bypass that noise, so the installers nees to install two different thickness of glass (one outer the other inner), so that when certain frequency of sound waves attenuates the first layer of glass and penetrates, the sound wave will be blocked by inner glass of different thickness due to different character of attenuation proneness.

Unfortunately, they do not have a degree in acoustic engineering.

Anyway, I can understand that the gaps of sliding windows are bigger than the push out windows, that's due to the rollers beneath (aka the sliders), recently I met one windows installer, he told me that he can get hold of some furniture frame structures and modify it to hold glass, and when the windows shuts up completely, there is basically no gap at all, the downside to this is that, you need to have one either left or right window to be permanently fixed and not slide-able at all. I'm yet to see any truth to this, but this modification requires big investment, initial quote was already more than RM 750 for a standard window.

yeah.. the noise insulation double glazing.. i think they call it assymetric double glazing.. mentioned this to a couple of contractor and they don't seems to have it..

so.. the 750/window quote you have there.. are they using assymetric double glaze? what is the size for the standard window? most contractors are quoting me by /sq ft .. perhaps we should share contractors contacts

BTSW,

Looks like I found a partner to this lonely deserted topic...

By lacking any sound knowledge of acoustics, I don't think our "Malaysian contractors" are gonna comprehend the word, "asymmetric". So it's actually pretty simple, of course it's not the right way of answering a text book thesis or dissertation paper answers in acoustic terms. You might just have to tell the contractors in pretty layman term that instead of using the same thickness glass on the outer and the inner, they'd just have to use a different one. E.g. 5-12-5, means 5 mm then separated by 12 mm air space (or vacuumed or argon-ed) then another layer of 5 mm, so instead of the conventional "symmetric" values used on the twin 5 mm, just order one at the outer as 5mm and the inner at 4 mm, that to me, completely changes the attenuation property.

There are still some fancy ideas on doing this, you could have gotten a laminated glass specially made to improve sound proofing and make use for all of them on the two different thickness double glazing. But not sure bout the costs though.

The windows installer I met that day told me he would do a vacuum central on the large air space, not sure how good he can do that though, coz I wouldn't wanna see condensation built-up in there as some mind-twisting tormented artistic displays or some mini aquariums showing up after several years of use. Nevertheless, whether vacuum or argon, they're almost as good for noise insulation, the differences in actual value using either vac or arg lie on the thermal insulation qualities, this I assume.

Conclusively, the installer told me the RM 750 is the price for standard, I assume standard means 4ft x 5ft? But of course my windows are bigger than this measurement, so he'd yet to come back to me for a real quote, and... it's been three days already... Oh and yes, asymmetric or not depends on your call on glass thickness so long as the thickness does not run out of the provided profile. And how much is yours / sqft? Not sure my contractor can go down to KL I presume just to check out or to install your unit though.

hi,

sliding will not be as good. get push type. you can get european push type and just opt for opening inside (just make sure they dont just turn the window around otherwise the weatherseal is inside and the dust/noise seal is outside). double glaze is good, double glaze with gas filled is better. buy a very good noise canceling frame too. UPVC is actually your friend but you will be hardpressed to find a good installer for them. might have to settle for alluminum. try upwards solution for AUBI or veka.com.my for good quality VEKA system (from Germany). but beware: prices will be steep.

i thikn for ur info,,, push out or sliding window,,, i reckon they are both same. of coz, da thicker da material da better insulation and sound proof...

as for double glazing,,, u have to find matching extrusion to fit the glass size, as it varies accordingly to your need.

i did double glazing for wine room, gud stuff as it doesnt condensed the glass ...

normall for soundproofing material, they dont just use silicone, n gaskets, there are also a material used called "woolpile" which compress da inner frame of the window against the outer. this gud quality wool pile actually waterproof and sound proof material too.

cost of doing this varies, it goes to above 55psf to 80psf...

there are many combinations you should look into.

as for apartment changing their windows, i dont think your allow to change the exterior windows, as management wont allow it.

hope it helps cheers

Double glazing was used in KLIA project. Do you hear the noise of aircraft?

DG is great for noise insulation. The rule of physics always applied, less movement, less wear. Make sure the DG window is tightly sealed cos noise travel by air. Condensation will come in too.

I'm not sure about the gas filled DG. What gas do they use?

Hope it helps.

Argon Gas...the gas ppl used in flying ballon...

Can someone pass me the contact details of a good contractor that can sound proof my bedroom windows.

Besides double glazing, the problem with Malaysian manufactured frames is that they do not seal properly, so the sound passes through the gaps between the frame and the casement/door leaf. Better to look for windows from Western European manufacturers where they have to meet performance standards for their products.

Frankly speaking most windows in Malaysian houses are only fit for cattle sheds.

I faced similar issue, recently moved to a unit facing main road. I can even count the number of motor, bus , car pass by even with my curtain and windows closed.

Do you think that the acoustic foam for can help in this case? i will try to stick it to the windows. anyone has any comment?

attached my windows(traditional)




Attached thumbnail(s)

sliding window/door has bigger gaps because it it either hanged or stands on a roller. If it hangs, there has to be a gap at the bottom to allow it to move freely. If it stands on a roller, there as to be a gap at the top for the same reason (to allow it to move freely).

For push out type, when the window is closed, there won't be any visible gap between the window and the frame.

So, it is easily understood why push out type is better in terms of noise insulation..

You have traditional louvre windows. I doubt acoustic foam would help. It's very difficult to seal it completely. Isn't it very dusty also? I too am staying next to a road, even with push-out windows I find it incredibly dusty.

I doubt that too, i wanted to reduce the noise & aware that it is impossible to completely seal it.

Was thinking of having the foam at the windows when i wanted to listen to my music or watch my movie.

Found 1 Penang music shop is selling the acoustic foam cost me RM55, 2inches thick though. still considering....

Back in Europe we had mostly double glazed windows, triple ones were not that popular, but very power efficient.

As for the noise cancelling properties - not only the glass thickness makes difference, but the quality of materials used for window frame itself.

Usually it wasn't an issue to sound proof, but looks like here, in Malaysia, not only the windows are single glazed, but the walls are muuuuuch thinner, which of course makes some sense climate-wise.

Hope that helps.

Yup totally agree...Even if you change the entire window to DG glass,superb quality type of sliding or push out window its will help reduce noise abit might be around 20 to 30% the most?but those noise still coming thru ceiling,from kitchen,from door and etc etc.Do consider all the aspect before make decision as DG glass type window aint cheap here.Will cost a bomb.

Just my 2 cent no offense

Double glazed units don't help sound reduction because the gap between the sheets of glass is 3/4" to maximise thermal performance.

For max acoustic performance the gap needs to be more than 2.3/4" and the larger the better.

Also laminated glass will help but it costs. Try 4 + PVB (0.76mm) + 4mm glass.

I am sitting on double storey terrace house and facing surau, just 40 meter away from my door step. I have been struggle for year, every early morning awaken by the prayer sound from speaker.
I have been looking for a sound proof solution a year, but can't find any contrator/services/solution locally here in Penang.
I would be very much appreciate if anyone can share with me the contrator or service provider name here in Penang.

get in touch with aubi malaysia or VEKA malaysia. they can hook you up withsome to install great soundproofing windows. dont forget to soundproof the ceilingf too.

Old thread, but in case someone is looking for the answer:

https://forum.lowyat.net/index.php?showtopi...&#entry53342763

The comments above in this post are correct, the glass thickness must be asymmetrical to prevent sound waves from amplifying each other.

Sliding windows in theory can be done (my balcony sliding door is soundproof) but my guess is that you get a much tighter seal with push-out windows. It seems to be such in my unit.

Don't go cheapo on quality of frame and seal, both are as crucial as the glass. Ask the contractor exactly what he's going to use and how[U] he plans to make the frame soundproof.

Acoustic foam strips - seriously, will make a minimal difference by themselves.

Anyone has any good contractor to recommend? Wanted to have some quotation for noisy reduction glasses.

Hi TS, why not a thick curtain?

I got quoted 1.2m x 1.8m window for around 3k including remove and install.Opening casement window, 10mm glass single layer , 3pieces. Unsure if tempered. What u guys think?

A friend of mine makes soundproof windows. Their office is in Damansara - Here's the promo: https://q-windows.com.my/landing/

Any idea hw much they charge to install a new window of 5ft * 4ft at yard area of a service aprtment?

I'm not sure. From what I've heard, it depends on a number of things such as the type of window. For example, a fixed window (not opening), is cheaper than a casement window (with hardware). Also, your requirements may vary: Do you want it to be soundproof and to what level? - better drop him an email or call in https://q-windows.com.my/contact/.

Edit: I just discovered this sound level comparison page. It does make quite a difference...! https://q-windows.com.my/soundproofing/ (turn down your speaker before listening to the first sample - I didn't )

This post has been edited by mike_ts: Feb 23 2017, 07:12 AM

Has anyone done double glazing for their condos? Any issue with the condo management?

I Have the quotations from both Q Windows https://www.facebook.com/q.windows/ and JTL Windows & Marketing https://www.facebook.com/jtlwindows/ for my condo where near to highway

Appreciate to know the comments from the users over here if any, or for those who are familar with this

Q Windows is more expensive than JTL Windows about 10-20% (20% for the Living room, Master Room & 2 BedRooms) depend on the design provided

eg

Bedroom RM1850
JTL Soundproof Windows
Casement Style 4-2-2
Size:1210w x 1490h
Glazing:Laminated 12.38mm Tinted Dark Type II
Color: Dark Brown
Security Level: Two Locking Points
Handle Type: Security Handle
Handle Color : Black

Bedroom RM2127
Q-Windows Soundproof Casement
Casement Style 422-H-SH
Size:1210w x 1490h
Glazing:Floating Laminated 10.76mm Clear
Color: White
Security Level: Two Locking Points
Handle Type: Security Handle
Handle Color : White
Hinge Type: Friction Hinge
Hinge Color:Stainless Steel

This post has been edited by asiatrader98: Jul 24 2017, 10:50 AM

hi there, please share if you proceed with the windows installation. thanks

Does anyone know if there's such a service in KK, Sabah?

Check with Pansar or Monmin but I think they do more commercial.

Panahomes show room in KL used double glaze windows manufactured by YKK Japan who have a factory in Indonesia.

This post has been edited by halcyon27: Dec 14 2017, 10:15 AM

Hi, i m staying in apartment, looking to soundproof the ceiling, any wise one know how?

If u staying at apartment need reduce noise come from upstairs insides the ceiling u can use cellulose to fill in .Cellulose is the best product if using for acoustics absorption and soundproofing,this my brother contact 6012280828 he is specialist on cellulose insulation

Hi. Mind to tell which one did you choose? I'm wondering how much it roughly costs for a standard condo after changing the sliding doors and 3 bedroom windows..

parking

i selected JTL Soundproof Windows which cost me about rm22k++
q windows more expensive about RM26-8k++

Bro, how are the results ? Does JTL show you the dbA before and after ?

I'm curious too. How is the sound reduction?

it works on my balcony and both bedroom (reduce 70-80-%+/-) except my master room (reduce 40-50%+/-)which is maybe too close to the highway or installation didn't done property ?

you can use the app which is called "noisecapture" to judge it but the best way is you feel it yourself.....don't just rely on the device

bro it works....at least 70%+/-.just the spec, the high the spec the more expensive

if you are keen, install it one by one or seperately.....to be safe

🙄i just ask then to quote n gonna pay deposit already..
🤔how about the dust n wind?

Thx bro for the information. I have asked for quotation as well but the invoice is from one company while payment has to be made to another company. And have to pay 90% before installation. A bit scary. Is the same arrangement applied to u ?

I ended up with Q-Windows. They have all the prices on their website https://q-windows.com.my/window-replacement/condominium/ ... It's a lot of money but what a difference ... can sleep in peace again. The wife is happy

Bro, I didn't the price listing in qwindows website. Mind to capture screenshot ? I did call them but their need wet work to remove my old windows frame so I didn't proceed further

Edit : my bad bro, I did manage to find the price already

This post has been edited by kokyee992: Apr 11 2018, 09:19 AM

I can't find it. Please can you tell me how to get to the price list ?

It is not a price list. U go to their past project or refer there

Understand. Thanks.

Wondering can get the same results and almost the same product from any "aluminium windows and glass"shop (铝窗店) ?

This post has been edited by kokyee992: May 28 2018, 10:08 AM

I get to know that JTL product is all local hardware/local system but the price doesnt worth that much as you may get the hardware all in hardware shop. Compare with Qwindows, all their hardware and system is from germany. ( ps their boss is german guy tho ) haha.. I did it for my condominium near to jalan kuching, can have peaceful sleep. Although pricy but that makes the different especially the after sales service. JTL i heard from another friend of mine who choose him, gone missing after installation LOL nyway just sharing. cheers

most of them always pm me asking the result

so I am here to give some advice and maybe my view for this to assist the members here

all the product i think from china/local either JTL or Q Windows, even they claim it is germany products, the guy who work/or maybe the boss (i am not sure) with JTL actually from Q Windows , according to the JTL guy (that why i am not very sure who are right or wrong since both also tell me the different stories)


at first i was impressed with the Q windows product, the lady boss call me and (after I told i reject their offer since their sales ppl are not very professional) show me the completed work a few years ago within my condo

but it is too pricey since i need to install a few rooms including my living room near to RM10k difference

So I choose the JTL since he look most professional compare with Q windows (the sales ppl)

but it did the good job with my living room as well as other bedrooms except master room which too close to the highway

the rest you can feel the difference immediately after installation except my master room, i think only 20-30% reduce, very poor result maybe due to poor installation or product issue I am not very sure

even I complaint to him, it seems like he can not do anything for this ....unless i ask for new installation again, that mean i need to pay double but no one can guarantee it work




Payment terms:
Total square Meter : 19.03 m²
: 27.127,22
Delivery terms: Installation with dismantling and recycling in Klang Valley region
Total (MYR)
Q- WINDOWS are SOUNDPROOF Series - GERMAN QUALITIY ON LOCAL PRICE LEVEL
· up to 2 mm aluminium profile thickness
· frame depth up to 60 mm
· full material aluminium corner connector for sash and frame
· window corner sealed up with 2 component PU- adhesives
· EPDM -UV resistant double gasket level
· vulcanized shrinking stable sealing corners
· fully GERMAN manufactured multipoint locking system
Strictly manufactured to match the following European Industry standards:

· Safety Glazing Pendulum Test Class 1(B)1 - DIN EN 12600:2003
· Security Glazing manual attack Test Class P5A - DIN EN 356:2002
· Weather tightness - DIN EN 12208
· Burglar resistance Test Class 1- DIN EN 1627, DIN EN 356
· Thermal performance - DIN EN ISO 10077-2:2012
· Soundproof performance up to 40 dB - DIN EN 52210-2

NOTE :
Our offer doesn’t include plastering or re-paining and based on information’s collected from your side. After receiving
your order, we will proceed a site measurement and issue a final order confirmation. This confirmation needs to be
approved before we can schedule the production.
ACCOUNT INFORMATION :
Q-WINDOWS (MALAYSIA) SDN. BHD.
Account number: 808100038113 / Standard Chartered Bank/BIC code: SCBLMYKXXXX
We accept VISA and MASTERCARD
Page 4 of 5
200717-1 Page 5 of 58/29/2017Quotation No.:
Acceptance:
Herewith I accept the quotation. Please contact me to arrange final site measurement.
Customer signature:
SIGNED: ...........................................
DATE: ......./......./.......
PRINT NAME: ..................................
GERMAN DESIGN, ENGINEERING AND QUALITY
Phone Number:
Page 5 of 5





Total square Meter :
Payment terms:
16.96 m²
50% advance, 40% before installation, 10% after handover
Delivery terms:
To Supply, Install & Dismantling only
Page 3 of 3
NOTE:
This proposal based on your request. After receiving your confirmation we will proceed to production accordingly.
Order placement:
I place this order and certify that the above information is true and correct while agreed that
Payment terms & Delivery terms as per above shown.
CUSTOMER TO SIGN
SIGNED: ...........................................
DATE: ......./......./.......
PRINT NAME: ..................................
JTL WINDOWS - WITH 2 YEARS WARRANTY
Payable:
:
Please issue payment to JTL Sales & Marketing
Bank Acc No: 782194793905
Bank Name: Standard Chartered Bank

compare with Q windows vs JTL

since I have installed the JTL product and visited the completed work of Q windows which installed a few years ago at different block but same unit, I would say the products , Q windows is better quality than JTL

but JTL guy is very professional (maybe he is very good to talk ) he can bring the sound prof windows infront of you to explain to the concept this n that so n so

as for the Q Windows, the Sale ppl including the lady boss, they seems like no very sure about the product and concept they will sell to you

according to JTL guy who are actually the ex senior manager of Q Widows so he know q windows product very well


for my case, eg master room,

at first he suggest Laminated 12.38mm DaTintedrk Type II for my master room
but later pay extra RM500 to get better spec of Laminated 16.38mm


for the Q windows, they only provide me the spec of float lami. 10.76 mm, clear

(that one ady installed a few years ago was float lami. 20.76 mm, clear according to lady boss)

so, base on the price and spec I select the JTL


but question arise, how do I know which spec JTL provide to me? We unable to measure and identify this......12.38mm or 16.38mm?

and we only can base on our ear (dont use the device, it is useless) to ensure whether the sound proof work or not, and it is very subjective



so, after my case, I would suggest to you

if you need to install this, install one by one (they allow you to install just one windows for 1 rooms then later another room later) to see how good the result

rather than install together

and I am not sure what can I do in case you are not satify the result since it is very subjective but it works with my other rooms (70-80%) except the master room (20-30%)

i hope the reply will help those who are keen to install this

This post has been edited by asiatrader98: Aug 23 2018, 11:53 AM

yes

don't think so.....it involve the good installation as well

Hi, can you share noise reduction especially for motorbike noises? Also how far away is your condo from highway?

Thanks.

Hi, I checked the website and it says the price is per piece. What does it mean by 'piece'? 1 piece of the window? Or a whole set of window?

My understanding of its price - 3k per piece, if one window has 2 pieces of glass, so 6k

Hi there, i think the jtl sales guy is the one who came to quote me too! I agree he really can talk but not sure the quality of the window!

He quoted me 4 k type III for 6 panels whilst the other smaller one is 2k with just 4 panels..

Is the dismantling and installation caused your unit dusty?

Hi, any others company beside Q-Windows and JTL?

I was at the Renovation Expo at KLCC yesterday and came across a few other suppliers:

- NORVA Innovation : norvawindow.com
- OPTIMA : optimawindow.com.my
- GOLDEN HORSE WINDOR : goldenhorsewindor.com

Here's my personal experience.

I live in an apartment where my living, master and 2nd bedroom are facing a busy highway. I changed my master bedroom window with VINCA about 5-6 years ago, followed by 2nd bedroom window by Q-Windows last year. I am currently scouting to change my living hall's sliding window.

Master Bedroom by VINCA:
- uPVC material, solid, and does what it says - reduced the traffic noise pollution.
- Price was reasonable back then, as I got a discount during Homedec expo few years ago.
- Limitation: uPVC material comes in white colour by default, so if you want another colour to suit your building's style, you need to pay extra to coat it.
- Service: Servicing agent was friendly and knowledgeable when it comes to acoustics.

2nd Bedroom by Q-Windows:
- Aluminium material, solid, overall window feels bulkier and heavier duty than VINCA.
- Reduces traffic noise significantly too.
- Price was reasonable considering installed only last year. (RM dropped..) You may check if your apartment/condo is listed on their site to receive offer: https://q-windows.com.my/window-replacement/condominium/
- Service: Servicing agent was friendly, attentive and knowledgeable.
- I oversaw Installation this time around and installers were professional, and friendly too.
- Went with Q-Windows instead of VINCA this time because Q-Windows got back to me quicker and with a cheaper quote (because their frame already has the colour I need, and my apartment was listed in their website with offer)

Overall, it depends on your budget and willingness to spend. Both VINCA and Q-Windows are good in my opinion.

I tried weather/rubber strips from Daiso/ACE hardware at first to try and seal off the air-gaps but it didn't really do much (It did reduce a little noise and dust). From what I know, the frame, the thickness of glass, and the installation - all plays a part.

The three other suppliers I saw yesterday at REX also seem positive. They use double-glaze, and aluminium. Price quoted were similar, but Golden Horse Windor was cheaper. It's still on today so you can go KLCC to check them out. VINCA is there too. Else, you may consider waiting til April for Homedec.

Considering it's not a cheap investment, I would suggest to actually visit their showroom or booth at expos to see/hear for yourself first.

Hope this helps those who are googling about sound proof windows malaysia

Cheers

anyone here with experience on soundproofing the ceiling of apartment ? does it work if i just do soundproofing on the bedroom ? sound or noise from the above living room will be heard from the bedroom or not ?

Hi, anyone installed additional laminated window after the original building window? Currently, my unit on 21th floor condo and this installer said seldom have complete window replacement in high rise due to leaking, risk and management issue. Advice to installed inside with all opening window to clean if necessary. Would like to ask if anyone did the same installation.

Actually higher floor also can do complete window replacement (fyi my brother stay at 40th floor, also change whole window.

Leaking might be caused by the "so-so quality of local windows" the frame already loosed or silicone not enough then water leaking will happened.

actually for strata properties, owners are not allowed to change the 'outlook' of the materials.
meaning if u can get a frame that is relatively the same size n color as the original window frame and glass color, u can discuss with management/council to seek approval.

there is no hard rules abt the law other than 'outlook' of the building

me: previous council member and read the by-laws of apartment/strata living