Originally Posted by mpowell
Just wanted to confirm that this channel from Home Depot is acceptable.
As long as it is sized to fit within the clips it is being used for - it would be acceptable........
I'm looking for an affordable clip for the ceiling of my iso booth. I read about "Z clips" but had a difficult time finding them. Who is a good manufacturer or store? The ceiling will consist of 2 sheets of 5/8" drywall with Green Glue between.
After I read this I found myself curious as to why you would think that "Z
clips" would be anything you would want to use for isolation - because this is not what they are made for - then I ran across another one of those idiots on E-how that is explaining how to use z-channel - which he claims is a resilient channel - yet another one of their so called "experts" who doesn't have a clue, for example he's installing the channels upside down (even if they were resilient - they are going to sag under the load of the drywall) - and refers to the studs in a wall as joists.
I had to have this site remove one of the BS "articles" posted by one of their contributors a short while ago because they didn't have a clue - and were using my name to prove their incorrect points.... personally I blame E-how for not having any real experts to vet check the people who claim to be experts.
Anyway - Z-clips and Z-channels are not isolation products - and if they are what you are thinking of using - then you may as well save your money.
Also, should I leave a small gap between the ceiling and walls and fill with caulk (to decouple)? What size gap would you suggest. Any help would be greatly appreciated! |
In order for these systems to work - not only do you have to leave a gap between the walls and ceiling - but also between the walls/walls at the corners where they meet - and between the walls/floor.
All of the individual panels need to be able to "float" freely in order to maintain isolation levels.
I generally specify a 3/8" gap at the outside edges of each panel (by the term "panel" I refer to the entire face of a wall or ceiling - not the individual panels of drywall)- which are them sealed with backer rod and caulk prior to the installation of an adjacent panel. You should do a one coat tape job on the individual seams in the body of the wall prior to installation of an additional layer of drywall - and make certain to lap the seams of the additional layers as well.
So in a simple rectangular room the sequence would be -
1) Install 1st layer of drywall ceiling......... provide backer rod and caulk at all 4 edges.
2) Install wall panel 1 - seal as above.
3) Install wall panel 2 - seal as above.
4) Install wall panel 3 - seal as above.
5) Install wall panel 4 - seal as above.
For each additional layer - repeat the sequence above.