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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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Tower block wall.
"Dave Plowman (News)" wrote:
I've been press ganged into fitting a wall mounting for a big LCD TV in a mate's flat. It's a tower block built by the council. It is a solid wall - the one between his flat and the next one. Obviously, I don't want to drill right the way through... I'm intending using Rawlbolts. Have an SDS drill and the correct bit. What is it likely to be made of and how thick? You don't need rawlbolts. Just a decent plug and screw- look at the Fischer range, they'll have something that is suitable. You should get a clean, tight hole with sds, for the plug but consider gripfill or chemfix if not. most of the load is vertical, not pulling out from the wall and numerous 'small/shallow' fixings is better than 4 deep anchors. Look at the brackets available (with tilt, pan and swing out) rather than the standard that comes with the unit. If it still goes titsup (and the neighbours lounge shares the same wall) you can always offer to hang their tv, to cover the holes, free of charge! -- What else are opposable thumbs for? Get to me at masterfix{at}btinternet{dot}com |
#2
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Tower block wall.
On Jun 13, 9:33 pm, Dean Heighington
wrote: "Dave Plowman (News)" wrote: I've been press ganged into fitting a wall mounting for a big LCD TV in a mate's flat. It's a tower block built by the council. It is a solid wall - the one between his flat and the next one. Obviously, I don't want to drill right the way through... I'm intending using Rawlbolts. Have an SDS drill and the correct bit. What is it likely to be made of and how thick? You don't need rawlbolts. Just a decent plug and screw- look at the Fischer range, they'll have something that is suitable. You should get a clean, tight hole with sds, for the plug but consider gripfill or chemfix if not. most of the load is vertical, not pulling out from the wall and numerous 'small/shallow' fixings is better than 4 deep anchors. Look at the brackets available (with tilt, pan and swing out) rather than the standard that comes with the unit. If it still goes titsup (and the neighbours lounge shares the same wall) you can always offer to hang their tv, to cover the holes, free of charge! assuming you haven't knocked theirs off their wall as you hang your mates'....... Jim K |
#3
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Tower block wall.
assuming you haven't knocked theirs off their wall as you hang your mates'....... Possibly tactful to tell the neighbours before you start? How many holes / how long you expect to take. |
#4
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Tower block wall.
In article
, Dean Heighington wrote: You don't need rawlbolts. Just a decent plug and screw- look at the Fischer range, they'll have something that is suitable. I like Rawlbolts. If you ever need to remove them you can. And they'll grip even when you hit a mortar coarse. -- *I love cats...they taste just like chicken. Dave Plowman London SW To e-mail, change noise into sound. |
#5
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Tower block wall.
In article ,
newshound wrote: assuming you haven't knocked theirs off their wall as you hang your mates'....... Possibly tactful to tell the neighbours before you start? How many holes / how long you expect to take. I mentioned this to my mate and he said they don't give a stuff how much noise *they* make. ;-) -- *Remember not to forget that which you do not need to know.* Dave Plowman London SW To e-mail, change noise into sound. |
#6
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Tower block wall.
"Dave Plowman (News)" wrote:
In article , I like Rawlbolts. If you ever need to remove them you can. And they'll grip even when you hit a mortar coarse. But they don't like a ****ty wall. Believe me, I gave up using them for hanging gallows brackets in lofts for just this reason, they can also be a bit overkill for this situation... Have hung quite a few flatscreens in my time and the odd rawlbolt can play up and be a pain in the arse. But sup2u whatever u feel comfortable with... do some test holes behind the tv area and see what the wall tells you BTW: your sig about cats... Check out Debbie loves cats on google/YouTube and see her video for eharmony for a laugh! -- What else are opposable thumbs for? Get to me at masterfix{at}btinternet{dot}com |
#7
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Tower block wall.
On Jun 13, 9:33*pm, Dean Heighington
wrote: most of the load is vertical, not pulling out from the wall Not true with: brackets available (with tilt, pan and swing out) rather than the standard that comes with the unit. MBQ |
#8
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Tower block wall.
In article
, Dean Heighington wrote: I like Rawlbolts. If you ever need to remove them you can. And they'll grip even when you hit a mortar coarse. But they don't like a ****ty wall. My experience says they're better than any plastic plug and woodscrew type fixing. Believe me, I gave up using them for hanging gallows brackets in lofts for just this reason, they can also be a bit overkill for this situation... Have hung quite a few flatscreens in my time and the odd rawlbolt can play up and be a pain in the arse. But sup2u whatever u feel comfortable with... do some test holes behind the tv area and see what the wall tells you Overkill doesn't worry me. -- *A chicken crossing the road is poultry in motion.* Dave Plowman London SW To e-mail, change noise into sound. |
#9
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Tower block wall.
"Dave Plowman (News)" wrote:
In article , My experience says they're better than any plastic plug and woodscrew type fixing. Mine tells me they're ok until the hole for them loses uniformity or the brick cracks under pressure from tightening them and With a predrilled template like a steel tv bracket you often need the holes exactly positioned and have no way of knowing what part of the wall fabric you're hitting until you drill. That's when it might be time to use a 'decent' wall plug (like the basin hanging variety) and some Rawlchem (or other polyester resin/2 part). As I mentioned... It depends on wall- at the point you are drilling. Go for the anchor bolts but have the other method on standby for disintegrated holes. Overkill doesn't worry me. As long as it works -- What else are opposable thumbs for? Get to me at masterfix{at}btinternet{dot}com |
#10
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Tower block wall.
"Man at B&Q" wrote:
On Jun 13, 9:33 pm, Dean Heighington wrote: most of the load is vertical, not pulling out from the wall Not true with: brackets available (with tilt, pan and swing out) rather than the standard that comes with the unit. MBQ Yes. Thanks for correcting me on that oversight -- What else are opposable thumbs for? Get to me at masterfix{at}btinternet{dot}com |
#11
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Tower block wall.
In article
, Dean Heighington wrote: My experience says they're better than any plastic plug and woodscrew type fixing. Mine tells me they're ok until the hole for them loses uniformity or the brick cracks under pressure from tightening them I suppose if you're using them at the top of a wall where there is little weight on the bricks this might happen - but it happens with plastic plugs too. They both rely on expansion to grip. The difference being the bolt type can exert more pressure. But that's in the hands of the installer. and With a predrilled template like a steel tv bracket you often need the holes exactly positioned and have no way of knowing what part of the wall fabric you're hitting until you drill. That's when it might be time to use a 'decent' wall plug (like the basin hanging variety) and some Rawlchem (or other polyester resin/2 part). Exactly the same applies to any fixing which relies on expansion to grip. A resin type being different. However, a suitable sized bolt type will work in a mortar coarse - unlike a plastic one - due to the greater possible expansion. As I mentioned... It depends on wall- at the point you are drilling. Go for the anchor bolts but have the other method on standby for disintegrated holes. Overkill doesn't worry me. As long as it works The only possible disadvantage with bolts is they cost a lot more. Which simply doesn't matter in this case. It might if you're throwing things up for a living - like satellite dishes - where the profit margin can be small. -- *Ham and Eggs: Just a day's work for a chicken, but a lifetime commitment Dave Plowman London SW To e-mail, change noise into sound. |
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