I plan to do a mooney wall detail in the house we are framing right now. My question is, what do pro-mooney people think of sistering scrap to the studs so it sits out 1.5 inches? This allows for the use of smaller pieces, since they don’t need to span 16″, and eliminates thermal break by not crossing the stud. Since the sistered piece is moved into the house 1.5″, there is space behind it to blow cellulose. This is just a quick idea. Please shoot it full of holes. Thanks for your responses.
Brett
Replies
Everyone has their own take on it . Mike Smith improved what I suggested but he doesnt comment on some things I comment on. Others have said other things but to "me ", you have done the wall a minus to many of the good points of it .
Telegraphing sound . The noise on the out side wall only physically reflects on the mooney wall five spots from 1 3/4 "wide to 3 1/2" in 8 ft. So the tunnnig fork is effectlively broken for the most part . Same deal with insulating mass and loss. Its a quiet wall.
Heres where I shine on it . <G> <kidding >
The butt joint problem is over with some work. Rock can stand up and be easily and quickly hung. If its 8 ft height , 9, or 10. Above that and its working against gravity too much.
8 ft rock is cheaper at box stores here by quite a bit . It works nicely standing up and can be an easy job to hang with one person.
Laying 12 ft down still elimiates bad butts by high /lows by crossing over and some shaving or shimming before the horizontal strip is nailed.
The mooney wall ties all the studs together strongly thus helping to eliminate some premature cracking of drywall but sure makes a stronger tie wall in a sense . Of course I know that drywall almost alone gives a commercial building its rack strength so this point can be argued.
Heres where Mike improved the idea;
Mike installs mesh but Ive seen the cross members hold the insulation and then be shaved off . Mike had the better idea.
If you want big trim bottom or top just size the strapping and you wont be hunting for studs or blocking . Wide door& window trim is the same detail.
Its a time consumming wall either way it seems to me .
Tim
brett, hard to improve on mooney's response.. basically.. if the studs are vertical, the mooney wants to be horizontal..
and you don't neccessarily have to make your mooney butt joints on the studs, they can occur in space in a random pattern, there is not going to be any deflection....you will be amazed at how strong the mooney grid is
small pieces get used up in making outlet & electrical box mounts