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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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How to fit electrical back box if there is no back?!?
I was installing a twin socket in a brick wall and had cut / chiselled out
the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks |
#2
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How to fit electrical back box if there is no back?!?
On Mar 10, 6:11*pm, "Steven Campbell" spam@away wrote:
I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!!http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks Either use sand & cement or filler to stick it in place, or else screw it sideways into the inner wall leaf. NT |
#3
Posted to uk.d-i-y
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How to fit electrical back box if there is no back?!?
On Mar 10, 6:11*pm, "Steven Campbell" spam@away wrote:
I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!!http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks Could you use a "dry lining" box intended for plasterboard? http://www.tlc-direct.co.uk/Main_Ind...Mounting_Boxes Chris |
#4
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How to fit electrical back box if there is no back?!?
Steven Campbell spam@away wrote:
I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Is that an external wall? However, I would try to get a piece of timber into the hole that is longer than the horizontal bit of the hole and screw it to the wall and then screw the backbox to the timber. -- Adam |
#5
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How to fit electrical back box if there is no back?!?
On Thu, 10 Mar 2011 18:11:06 -0000
"Steven Campbell" spam@away wrote: I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks 18mm plywood. Drill two 20mm holes in it, put in a bit of string between the holes. Wiggle it into place in the cavity with one end behind each end of the back box cavity. While holding in position with the string, put spray-foam nozzle into holes and get a big blob of foam behind the wood and over to the outer wall leaf. Wait in this excruciatingly painful position for about 10 minutes while the spray-foam goes off. Tomorrow screw the back box onto the plywood. Insulation, penance, and a good back-box in one. R. |
#6
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How to fit electrical back box if there is no back?!?
On 10/03/2011 18:11, Steven Campbell wrote:
I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks Looks like a nice clean hole. Stick it with Gripfill to the brick/block-work which surrounds it. It won't move once the Gripfill cures. -- Cheers, Roger ____________ Please reply to Newsgroup. Whilst email address is valid, it is seldom checked. |
#7
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How to fit electrical back box if there is no back?!?
On 10/03/2011 18:11, Steven Campbell wrote:
I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Piece of timber longer than the hole is wide, large screw in middle to give you something to hold. Large blob of Gripfil on the ends that will contact wall. Feed in diagonally, pull towards you & hold until Gripfil grabs enough. Leave to dry & remove screw. -- Dave - The Medway Handyman www.medwayhandyman.co.uk |
#8
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How to fit electrical back box if there is no back?!?
"Steven Campbell" spam@away wrote in message o.uk... I was installing a twin socket in a brick wall and had cut / chiselled out the brick ready for the back box. As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! http://i918.photobucket.com/albums/a...sa1/socket.jpg Any suggestions? Thanks Guys as usual thanks very much for the varying suggestions I'll just answer the lot here if that's ok.. Yes its an external wall. Which an extension has been built on to. However the brick is only one skin thick here which I didn't know. It seems to have been the old back door that they have bricked up. The other side is plasterboard at 13 inches away so I think that might be just too much for expanding foam. A dry-lining box works by the lugs grabbing the plasterboard. Unfortunately there would be nothing for them to grab. I like the idea of just "grip filling" it in as the box is a tight fit anyway. Or the suggestion of a Piece of wood at the back with grip fill and screwing on to that. Thanks again for the numerous suggestions. |
#9
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How to fit electrical back box if there is no back?!?
Steven Campbell wrote:
As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. JGH |
#10
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How to fit electrical back box if there is no back?!?
In article ,
jgharston wrote: Steven Campbell wrote: As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! Nick -- Serendipity: http://www.leverton.org/blosxom (last update 29th March 2010) "The Internet, a sort of ersatz counterfeit of real life" -- Janet Street-Porter, BBC2, 19th March 1996 |
#11
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How to fit electrical back box if there is no back?!?
jgharston wrote:
Steven Campbell wrote: As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. My brother in law was chasing a cable run into his bathroom wall for an electric shower when an entire breeze block fell through into the bedroom next door. It fell onto the bed where a wrapped-up wedding present was lying (an expensive Dartington Crystal fruit bowl). Smashed it to pieces! Still - good job there was no-one in bed... -- Triff. |
#12
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How to fit electrical back box if there is no back?!?
You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! Don't you mean 'Amazons' ! Impressed that one of the fair sex is doing this sort of thing; there's no way I could get my wife to do that. Rob |
#13
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How to fit electrical back box if there is no back?!?
robgraham wrote:
Don't you mean 'Amazons' ! *Impressed that one of the fair sex is doing this sort of thing; there's no way I could get my wife to do that. She does most of the chiselling, first-fix plastering, painting and decorating. My brother does most of the cable drawing, wet plumbing and final fix plastering. I do the wiring and testing. JGH |
#14
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How to fit electrical back box if there is no back?!?
jgharston ) wibbled on Friday 11 March 2011 13:40:
robgraham wrote: Don't you mean 'Amazons' ! Impressed that one of the fair sex is doing this sort of thing; there's no way I could get my wife to do that. She does most of the chiselling, first-fix plastering, painting and decorating. My brother does most of the cable drawing, wet plumbing and final fix plastering. I do the wiring and testing. JGH bowsdown we are not worthy! /bowsdown -- Tim Watts |
#15
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How to fit electrical back box if there is no back?!?
On 10/03/2011 22:46, jgharston wrote:
Steven Campbell wrote: As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. JGH I've done that - a couple of days after decorating the other room The funny one though was when we had cavity wall insulation put in. The whole house is cavity wall, except for one small section - they totally filled the electricity cupboard! Luckily it was a blown fibre and could easily be removed. SteveW |
#16
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How to fit electrical back box if there is no back?!?
In article ,
John Rumm wrote: On 10/03/2011 22:52, Nick Leverton wrote: In , wrote: Steven Campbell wrote: As I was drilling the remainder of the brick to hold the back box, the brick fell into the cavity so I'm now left with a hole with no place to secure the back box!! You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! A decent SDS drill makes it child's play... I can do a double socket cutout in brick in 10 mins these days. Bit more of an amateur here with a Screwfix special SDS, plus our bricks hereabouts have extra hard but brittle inclusions in (I warned the electrician who rewired previous property to bring his extra-hard chasing tool and he didn't believe me !). Nick -- Serendipity: http://www.leverton.org/blosxom (last update 29th March 2010) "The Internet, a sort of ersatz counterfeit of real life" -- Janet Street-Porter, BBC2, 19th March 1996 |
#17
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How to fit electrical back box if there is no back?!?
On Mar 10, 10:52*pm, Nick Leverton wrote:
All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! You need to get yourself an SDS drill with chisel bit. It really is the proverbial 'hot knife through butter' for this task... Mathew |
#18
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How to fit electrical back box if there is no back?!?
In article ,
Mathew Newton wrote: On Mar 10, 10:52*pm, Nick Leverton wrote: All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! You need to get yourself an SDS drill with chisel bit. It really is the proverbial 'hot knife through butter' for this task... Have got one, but I spend ages battering through an inclusion to get the damn socket to sit level and then the brittle thingy goes and busts that half of the brick away ... Nick -- Serendipity: http://www.leverton.org/blosxom (last update 29th March 2010) "The Internet, a sort of ersatz counterfeit of real life" -- Janet Street-Porter, BBC2, 19th March 1996 |
#19
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How to fit electrical back box if there is no back?!?
On Thu, 10 Mar 2011 20:35:04 +0000, The Medway Handyman wrote:
Feed in diagonally, pull towards you & hold until Gripfil grabs enough. Leave to dry & remove screw. or s/gripfill/1-part PU/ -- John Stumbles |
#20
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How to fit electrical back box if there is no back?!?
On Thu, 10 Mar 2011 14:46:43 -0800, jgharston wrote:
You're lucky. My sister-in-law was chiselling out a hole for a back box when the bricks fell out into the next-door room leaving a nice brick-shaped hole through the wall. We were fixing a stout batten to a flimsy wall and put several 8mm holes in nice and deep - full depth of the drill bit - to get 2 grey wallplugs into each hole. Right length screws and you've got a really strong fitting. Then went into the kitchen next door to put the kettle on and realised that an entire run of tiles on the other side was lying on the floor. The tiling was hollow-sounding anyway, and the drill bit had just gone through the 75mm block wall on each hole! -- John Stumbles -- http://yaph.co.uk |
#21
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How to fit electrical back box if there is no back?!?
We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Nick Leverton saying something like: All these herculeans are welcome to come round and dig us out some back boxes, I've done two rooms of this brick so far and not looking forwards to the rest ! Bugger that, you need a nice Armeg, you do. |
#22
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How to fit electrical back box if there is no back?!?
YAPH wrote:
Then went into the kitchen next door to put the kettle on and realised that an entire run of tiles on the other side was lying on the floor. The tiling was hollow-sounding anyway, and the drill bit had just gone through the 75mm block wall on each hole! The previous owner of my house 30 years ago was putting cupboards up in the kitchen and drilled the requisite holes and pushed wallplugs into them. A few minutes later her neighbour came round to return the wallplugs that she'd discovered in /her/ kitchen. JGH |
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