or Connect
AVS › AVS Forum › Home Entertainment & Theater Builder › Dedicated Theater Design & Construction › HGTV - Holmes on Homes installing QuietRock
New Posts  All Forums:Forum Nav:

HGTV - Holmes on Homes installing QuietRock  

post #1 of 8
Thread Starter 
FYI

Today on Holmes On Homes on HGTV, they're installing QuietRock.
The Holmes On Homes' episode name is "Wall Of Sound"
They also use Roxul SafeNSound and putty packs on the electrical outlets.
The goal is to reduce noise from the townhouse neighbour's radio (i.e. STC).
post #2 of 8
Mike Holmes is a reno god...gotsta be my favorite show next to NFL on Sundays.
post #3 of 8
Thread Starter 
Cymark:

I have all the Holmes On Homes DVDs.

(His bit about screwing in joist/deck hangers, is against building code, and is also bad engineering -- sheer force of screws is not as high as the required nails.)
post #4 of 8
Is quietrock really as effective as 10 sheets of regular drywall (like Mike Holmes mentioned)? Also, when they did the upstairs bedrooms, wouldn't it have been more cost effective to use the green glue with regular drywall sandwich method rather than the layer of quietrock? Just wondering... Would the green glue with regular drywall over existing drywall be as effective as quietrock over regular drywall? I know all this stuff has probably been covered a hundred times here...
post #5 of 8
Thread Starter 
Quote:
Is quietrock really as effective as 10 sheets of regular drywall (like Mike Holmes mentioned)?
He said 8 sheets of drywall.

But he also said the Quietrock added STC18 to the upstairs STC -- and you can't add STC.
post #6 of 8
Thread Starter 
The old wall between the houses was {5/8" drywall, 2x4 studs with fiberglass pink insulation, 5/8" drywall, 1" airgap, 2x4 studs no insulation, 5/8" drywall}.

Actually there were variations on that, where parts of the wall were narrower, and there was a 3' wide spot with no middle drywall layer.

In both cases the 2x4 walls were load bearing. The wall is a 1 hour fire stop wall.

They played an '85dB' sound in the neighbour's kitchen and bedroom, on a portable radio with 3" speakers.
In the townhouse they were working on
a) in the bedroom the difference could not be measured with the 40dB minimum sound level meter, but the bass could be heard clearly. Weeks earlier, someone had been painting with a roller, and the sound of the roller going up and down the wall could be heard clearly.
b) in the kitchen they measured 47dB (unknown weighting), so the existing STC was around 38dB. They thought the wall should have been around 46 STC. Bass and treble could be heard clearly.


The new wall between the kitchens was {5/8" drywall, 2x4 studs with fiberglass pink insulation, 5/8" drywall, 1" airgap, 2x4 studs RoxulSafeNSound insulation, QuietRock}.

They put drywall where the 3' wide spot (about the size of a door, possibly was a door acording to them) was.

The new installation used exactly the same wall location, so that they could put the kitchen back together without changing anything. They did not take advantage of using additional depth to increase LF TL. The narrow spot is still narrower.

Upstairs in the bedroom they didn't remove the existing drywall so the new wall system became: {5/8" drywall, 2x4 studs with fiberglass pink insulation, 5/8" drywall, 1" airgap, 2x4 studs no insulation, 5/8" drywall, QuietRock}.

In the upstairs, they
a) removed 2'x2' of drywall around the elecrical outlets, putty packed the electrical outlets, stuck in a 2'x2'x3" piece of RoxulSafeNSound insulation, and replaced the same drywall piece they'd cut out.
b) sealed around the edges of that piece of drywall they'd cut out with OS-350 acoustical sealant (they did not mud and tape)
c) Glued the QuietRock to the existing drywall. They used a caulking gun with a tube that was mostly black. I thought it might be PL300 glue (which would be bad)
d) At the 5/8" drywall, around the edges of the QuietRock, they used QuietSeal caulking before putting up the next sheet of QuietRock. Then they screwed the QuietRock in normally.
e) Then they mud and taped and painted the wall normally.

They played an '85dB' sound in the neighbour's kitchen.
In the townhouse they were working on
a) they did not re-measure the bedroom
b) in the kitchen they were unable to get a measurement (so it's under 40dB(?)). The QuietRock salesman (from http://www.soundivide.com ) who was doing the measurements commented "Have you got the radio on?" when it was on. Mission accomplished.

I didn't see a mention of which quietrock they used, although presumably it was 5/8" thick and had steel in it.

They also said
a) if you put nails into it, the gue in the quietrock will coat the nail keeping it air tight
b) if you take down a picture don't pull the nail, hammer it in and paint over it.
post #7 of 8
I found this episode incredibly interesting because for once I felt like I knew more about something than Mike Holmes :)

Overall it seemed the methodology was quite sound and the improvement claims were quite realistic (for example, they specifically mentioned that this would only work well on high frequencies). I think he did a good job even if there are lots of things us crazies may have done in addition to.

It would have been fun watching them use Green Glue though, no doubt about it!

Andy K.
post #8 of 8
Thread Starter 
kromkamp:

Quote:
It would have been fun watching them use Green Glue though, no doubt about it
Upstairs in the bedroom, I saw them using what I thought looked like a tube of PL300 because the tube was black to glue the QuietRock to the existing drywall -- but I remember thinking at the time what if it was QuietGlue ? (e.g. what if they washed off the PL300 and stuck QuietGlue on that wall before putting up the QuietRock, but didn't show that in the show)
I don't think it was QuietGlue because the spread pattern when we saw them putting up the QuietRock was a straight vertical line at where the studs would be under the existing drywall on 16" centers, not that messy drunk-spider-web pattern we see in the 50% coverage GreenGlue requests/photos.
New Posts  All Forums:Forum Nav:
  Return Home
This thread is locked  
AVS › AVS Forum › Home Entertainment & Theater Builder › Dedicated Theater Design & Construction › HGTV - Holmes on Homes installing QuietRock