Dodgy trade pictures for your amusement! - 1 Million Views!

[mainline]

The neatest and quickest way is to notch the joist from below, then use a magnetic mouse to get to the next joist.

The other option is to cut a slot wide and long enough to use an extension bit so as to get the following joist as well I've done it a few times but half the time you end up cutting more holes to put the camera in to make sure of no pipes etc

 

[LewisM]

The neatest and quickest way is to notch the joist from below, then use a magnetic mouse to get to the next joist.

The other option is to cut a slot wide and long enough to use an extension bit so as to get the following joist as well I've done it a few times but half the time you end up cutting more holes to put the camera in to make sure of no pipes etc

Yeah that's how I did it.

 

[mainline]

Yeah that's how I did it.

I need to learn to read all the posts first.

A handy tool is either a single or double drywall back box cutter, leaves a nice piece to put back or re-cut if needed.

 

[swaRRR]

Yeah if you do it wide enough, normally I just do a small notch and use a safe plate, once filled and painted you can't tell.

View attachment 98465View attachment 98466

In this pic would it not have just been easier to lift boards above?

 

[Mike Johnson]

Always thought these look good, but never tried them: Cavity Access Master Kit - https://www.tlc-direct.co.uk/Main_Index/Tools_Index/Cavity_Access/index.html

 

[Baddegg]

I need to learn to read all the posts first.

A handy tool is either a single or double drywall back box cutter, leaves a nice piece to put back or re-cut if needed.

Do those for multi tool now they’d be ideal for that

 

[nicebutdim]

Always thought these look good, but never tried them: Cavity Access Master Kit - https://www.tlc-direct.co.uk/Main_Index/Tools_Index/Cavity_Access/index.html

Not tried it on walls or ceilings, but the mesh plates are robust and seem ideal for patching.

 

[Midwest]

Or 4" circular holes, then use angle drill to drill holes through joists. Reinstate plasterboard circles, then ceiling gets re-skimmed. Easier than trying to remove chipboard, under some recently laid flooring above.

 

[Pretty Mouth]

Or 4" circular holes, then use angle drill to drill holes through joists. Reinstate plasterboard circles, then ceiling gets re-skimmed. Easier than trying to remove chipboard, under some recently laid flooring above.

This is what I usually do too, where lifting boards in the room above isn't possible/feasible. I find the joists with a magnet, measure 120mm to the side and cut the hole centred there. I cut them all so I can see any cables/pipes, then drill the joists using a dewalt 90deg attachment for the drill.

I'm going to buy a 5 or 6" holesaw for it, as while 4" works, it is just a little on the tight side as you need to get your hand in to apply pressure as you drill the joist.

If you replace the correct p-board circle to it's respective hole, in the correct orientation (mark before cutting), they go back in perfectly. Easifill and then sand, no need for reskimming!

 

[telectrix]

Alternative, though not very nice, method is you cut a chase in the plasterboard across each joist. You then fish across between the joists, drop under one using the slot, then fish across the next gap, and so on. Then you're left with a row of smallish holes to fill in.

that's how i do it. clip cable to underside of joists.then fill.

 

[ipf]

Stevie Wonder electrical is back in business! At least he got the CPC right.

View attachment 98421

Or Eric Morecambe Electrical, 'the right wires.........but not necessarily in the right order'

 

[LewisM]

In this pic would it not have just been easier to lift boards above?

Oh I never thought of that!

But in reality it was hardwood flooring that had just been laid.

 

[Mike Johnson]

As any home owner knows, just been laid is anytime over the last six years.

 

[Dartlec]

Looking at a property for a client today that will become an HMO. It was a post office, then converted to a house in the 2000s.

Mix of 70s, 80s and 00s in there but was already going to suggest a rewire .



Then I find this - which is of course the latest 'work' - post 2005 since new colours.



Yes that is what it looks like - incomer from the meter - outgoing direct to the isolation switch for the electric shower....

Still they carefully selected the big "fuse" with 45A on, so I'm sure it seemed fine!

Fortunately property is empty now and it will all be ripped out anyway.

 

[mainline]

Or 4" circular holes, then use angle drill to drill holes through joists. Reinstate plasterboard circles, then ceiling gets re-skimmed. Easier than trying to remove chipboard, under some recently laid flooring above.

It's difficult to get a nice cut using a hole saw without using the pilot bit, unless you pre-cut a piece of ply to get a decent start the multi tool back box cutter is far easier imo.

 

[brianmoooore]

Then I find this - which is of course the latest 'work' - post 2005 since new colours.

View attachment 98484

Yes that is what it looks like - incomer from the meter - outgoing direct to the isolation switch for the electric shower....

Still they carefully selected the big "fuse" with 45A on, so I'm sure it seemed fine!

Fortunately property is empty now and it will all be ripped out anyway.

To be fair, what it lacks as a circuit protection device, it makes up for as an isolator. Much better than the usual pull cord.

 

[pirate]

"Can you come and have a look at my fret saw? Every time i switch it on, the breaker trips. I've tried changing the fuse in the plug, but it still trips."

Oh, that's odd...

 

[littlespark]

One out of three isn’t bad….

 

[pirate]

Meatloaf looked for better than that!

 

[nicebutdim]

It's difficult to get a nice cut using a hole saw without using the pilot bit, unless you pre-cut a piece of ply to get a decent start the multi tool back box cutter is far easier imo.

Arbors are available for this very purpose, which use a holesaw for original size as a pilot.

They're great provided the hole needs to be enlarged by more that a few mms.