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-   -   Mounting corner Bead (http://www.diychatroom.com/f15/mounting-corner-bead-5684/)

KUIPORNG 01-03-2007 11:57 AM

Mounting corner Bead
 
I already mount some most corner bead in my basement for the outside corner after hanging drywalls... I have these questions:

I used a number of methods to mount the corner beads. I found the most solid mounting is nail onto wood. but I happened to have quite some corners does not have wood backing. So I used these methods in those situations:

1. screwing onto steels. this method is strong, except the screw head is not flush with the corner bead, as with the nailing method does. I am thinking the muds should be able to hide the a bit arised heads... am I correct? I try to minimize the numbers of screws per bead to make it better.

2. in some case, I used those rubber hammer with those corner bead clamps ... the problem I with those, is that it seems this mounting method resulting not a strong bond... so I am kind of reluctant to use this method until I have no choice, such as there is minimum backing on the drywalls for some strange soffit corners... anyway, if they provide such equipment, I suppose together with the muds, the bounding should be ok and the bead won't fall down...right?...

thanks.

majakdragon 01-03-2007 02:39 PM

If there is no wood to screw into, what is the drywall mounted to? If the corner bead is not anchored properly, eventually it will fall off or break through the drywall compound.

KUIPORNG 01-03-2007 02:41 PM

I built some of the wall using steel studs...

Also, wouldn't those corner bead clamps by blowing a rubber hammer onto suppose to be used with corner bead without nails/screws... well I find those thing not too strong anyway... but why they are selling it in HD... if it is not good to be used...

AtlanticWBConst. 01-03-2007 06:51 PM

Quote:

Originally Posted by majakdragon (Post 28764)
If there is no wood to screw into, what is the drywall mounted to? If the corner bead is not anchored properly, eventually it will fall off or break through the drywall compound.

Also - one ding with a piece of furniture will rip most of it off ...

AtlanticWBConst. 01-03-2007 06:56 PM

Quote:

Originally Posted by KUI****G (Post 28765)
I built some of the wall using steel studs...

Also, wouldn't those corner bead clamps by blowing a rubber hammer onto suppose to be used with corner bead without nails/screws... well I find those thing not too strong anyway... but why they are selling it in HD... if it is not good to be used...


The tool is designed to be used WITH screws or nails. It's called a 'clincher'.

We always nail off corner bead, since screws can oversink and 'pinch' the corner bead. We only use screws for corner bead on steel framing or if there are 2 layers of sheetrock to attach over.

All corners should have wood behind them for the corner bead to attach to.
If you have corners missing wood in them, you can use a product that is pre-formed into 90 degrees and is put on using joint compound. It is plastic re-inforced with paper edges (For the compound). It comes in 10 foot lengths. Usually, only drywall supply warehouses carry it.

KUIPORNG 01-04-2007 08:08 AM

Quote:

Originally Posted by AtlanticWBConst. (Post 28804)
We only use screws for corner bead on steel framing

that means I am doing the right thing for using screws on those coner where there is steels....

Thanks for the advice, I will double check make sure they are all solid... There are a few I need to use what AtlanticWBConst suggest for mudded paper corner bead...

J187 01-04-2007 09:04 AM

Quote:

Originally Posted by AtlanticWBConst. (Post 28804)
If you have corners missing wood in them, you can use a product that is pre-formed into 90 degrees and is put on using joint compound. It is plastic re-inforced with paper edges (For the compound). It comes in 10 foot lengths. Usually, only drywall supply warehouses carry it.

And personally, I think it is a great, great product. Its super strong and works perfectly. I like to use a mixing compound w/ it like durabond. It may be a false sense of security, but I just feel like it winds up being stronger. The product mentioned comes in different sizes too, depending on your needs. I have one corner in my house which I have done with this stuff which has taken a bit of abuse from my wife. It holds up great.

KUIPORNG 01-04-2007 09:20 AM

what about those small corner plastic caps
 
This morning at HD I saw some square corner cap looks like use to protect people got hurt from sharp corner when the corner form by 3 edges... as they are round and made of plastic....

is this thing can be add on top of the existing metal bead with mud or have to cut out the metal before adding it... I suspect it is the latter as it has a small insert looks like to be use to insert beneath the metal bead besides it.... I am not too tall but if this is for what I think it is used for, not a bad idea for me to replace some sharp corner in case there are tall guys coming over to play pingpong...


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