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26-05-2008, 3:25 PM
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#1 (permalink)
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Thanks: Gave 1, Got 27 | Need some advice please.
I am going to wall mount my panny 46" when it arrives this week.
I have the wall bracket and just attempted to drill the holes.
The wall is an outside wall so was expecting to go through some plaster and board then find some kind of brick. I drilled an 8mm hole down to the lenght of the bit/flutes easy as anything around 80mm deep . I dont understand why i have not hit anything solid? The dust coming out is the same colour all the way. Apart from the first 1-2 mm which is a slightly different colour.
It just feels like plaster all the way in.
I have looked for a cavaty like you might find in a dot and dab but with a torch i can see the bottom and the sides of the hole look solid.
Really confused. Anyone got advice.
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26-05-2008, 3:30 PM
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#2 (permalink)
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you didn't happen to drill right between blocks did you?
__________________ My Home Cinema Room My Gear: 108" Carada Screen, Panasonic AX100, Denon AVR3808, 7.1 B&W 6 Series speakers, Panny BD35(now Region free for Blu-ray!!), HTPC, XBOX 360, WII | |
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26-05-2008, 3:39 PM
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#3 (permalink)
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Thanks: Gave 1, Got 27 | Re: Need some advice please.
Hi, 
Should i try another one next to it?
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Panasonic TH46-PZ85-Cambridge Audio 640R-Cambridge Audio Dvd89-Samsung BD-P1400-Sky+-SB3-PS3-Mordaunt-short 902i,304,Mission m71 rears,Gale 4070 sub-Qed x-tube+Qed to rears-Ixos hdmi-Cambridge Audio Analogues-Monster co-ax-Monster Scart.
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26-05-2008, 3:42 PM
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#4 (permalink)
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Thanks: Gave 198, Got 456 | Re: Need some advice please.
nope, i'm only guessing so don't go drilling another hole just yet. you sure it's only the first 1-2 mil that are a differnt color?
__________________ My Home Cinema Room My Gear: 108" Carada Screen, Panasonic AX100, Denon AVR3808, 7.1 B&W 6 Series speakers, Panny BD35(now Region free for Blu-ray!!), HTPC, XBOX 360, WII | |
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26-05-2008, 3:46 PM
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#5 (permalink)
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Thanks: Gave 1, Got 27 | Re: Need some advice please.
Yes the first 1-2mm like a thin pink layer then very light brown all the way. The house is about 15 yrs old
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Last edited by AV Monkey; 26-05-2008 at 3:50 PM.
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26-05-2008, 3:53 PM
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#6 (permalink)
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Sounds like plaster and then cement 
Drill again.
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26-05-2008, 3:55 PM
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#7 (permalink)
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Shall i drill one at one of the other positions i have marked for mount?
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26-05-2008, 3:56 PM
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#8 (permalink)
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Quote:
Originally Posted by Badger0-0  Sounds like plaster and then cement
Drill again. | what i was thinking, but glad you advised him to drill another big hole in his wall rather than me!!
__________________ My Home Cinema Room My Gear: 108" Carada Screen, Panasonic AX100, Denon AVR3808, 7.1 B&W 6 Series speakers, Panny BD35(now Region free for Blu-ray!!), HTPC, XBOX 360, WII | |
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26-05-2008, 3:57 PM
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#9 (permalink)
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Quote:
Originally Posted by andyhill Shall i drill one at one of the other positions i have marked for mount? | how far away from the current hole is it? if it's the exact size of a block you may only hit cement again
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26-05-2008, 3:58 PM
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#10 (permalink)
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The house is about 15 yrs old
I missed that.
It's almost certainly a cavity then.
Poke something thin into the hole and see if you wiggle it around.
You should be able to tell easily by just tapping the wall with your fist.
If it sounds hollow, it a cavity, which means you have to go deeper.
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26-05-2008, 3:59 PM
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#11 (permalink)
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he said he could see bottom and sides of hole, doesn't sound like a cavity
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26-05-2008, 4:02 PM
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#12 (permalink)
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Thanks: Gave 1, Got 27 | Re: Need some advice please.
The holes i have marked for mount are about 38mm apart. thumping it sounds solid
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26-05-2008, 4:06 PM
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#13 (permalink)
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Quote:
Originally Posted by mossym what i was thinking, but glad you advised him to drill another big hole in his wall rather than me!! | I do it as part of my job
It'll be hidden by the screen anyway  and nowt a bit of filler won't put right.
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26-05-2008, 4:06 PM
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#14 (permalink)
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Thanks: Gave 198, Got 456 | Re: Need some advice please.
Quote:
Originally Posted by andyhill The holes i have marked for mount are about 38mm apart. thumping it sounds solid | 38mm? that sounds awful close together!! for a 46" tv? you sure about those measurements?
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26-05-2008, 4:09 PM
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#15 (permalink)
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Thanks: Gave 179, Got 1,231 | Re: Need some advice please.
Quote:
Originally Posted by andyhill The holes i have marked for mount are about 38mm apart. thumping it sounds solid | Assuming that you're not dead unlucky and not just above a brick, that should be ok.
But just to be sure, go say 38mm to one side and down about 20 mm.
You should hit brick after a few mill. If you don't it has to be a cavity.
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