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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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Easy way to find joists above a lath and plaster ceiling?
I'm putting up timber stud partitions, and need to screw several top
plates into the loft joists in a lath and plaster ceiling (working around various exposed features). For a bunch of reasons, access from above is not so easy (not impossible, just awkward). My stud detector just bleeps everywhere (because of the laths and nails). The only thing I can think off is to drill a few test holes with a fine drill (e.g 3mm) until I hit a loft joist. I reckon I could end up doing a few of those for each fixing point, as the loft joists are not very accurately spaced (Victorian building). Anyone have any tips to make the job easier? Where I have to fix top plates parallel to the loft joists (and no doubt not directly underneath one) - I'm thinking to fix noggins above (fortunately these will be in a more accessible area), and then use 120-130mm screws to be sure to bite into the loft joists. Any other recommended solutions? |
#2
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Easy way to find joists above a lath and plaster ceiling?
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#3
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Easy way to find joists above a lath and plaster ceiling?
On Nov 8, 5:10*pm, "Cash"
wrote: wrote: I'm putting up timber stud partitions, and need to screw several top plates into the loft joists in a lath and plaster ceiling (working around various exposed features). For a bunch of reasons, access from above is not so easy (not impossible, just awkward). My stud detector just bleeps everywhere (because of the laths and nails). The only thing I can think off is to drill a few test holes with a fine drill (e.g 3mm) until I hit a loft joist. I reckon I could end up doing a few of those for each fixing point, as the loft joists are not very accurately spaced (Victorian building). Anyone have any tips to make the job easier? If tapping doesnt do it, tiny holes + coathanger to roughly locate them. With 2 points you can pencil lines on. Once you've got a few you can interpolate others. Tap the ceiling with a hammer until you hear a 'solid' sound - and that's where the joist will be! Where I have to fix top plates parallel to the loft joists (and no doubt not directly underneath one) - I'm thinking to fix noggins above (fortunately these will be in a more accessible area), and then use 120-130mm screws to be sure to bite into the loft joists. Screws are really not essential here - simply cut the noggins between the ceiling joists (a snug fit) and then use 4" nails to fix them through the rafter or 3" nails if you are going to do 'skew' nail fixings. Cash its a brave man that will slam a large number of 4" nails into L&P NT |
#4
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Easy way to find joists above a lath and plaster ceiling?
On Sat, 8 Nov 2008 08:47:25 -0800 (PST), "
wrote: I'm putting up timber stud partitions, and need to screw several top plates into the loft joists in a lath and plaster ceiling (working around various exposed features). For a bunch of reasons, access from above is not so easy (not impossible, just awkward). My stud detector just bleeps everywhere (because of the laths and nails). The only thing I can think off is to drill a few test holes with a fine drill (e.g 3mm) until I hit a loft joist. I reckon I could end up doing a few of those for each fixing point, as the loft joists are not very accurately spaced (Victorian building). Yes thats the way to do it. Just be glad that you have some access above so you can get an idea of the spacing and direction of the joists. I once worked on an old building with no access above and where the joist direction changed midway across the room. It took me ages to realise what was going on Its worth putting a skirt around the drill bit so the chuck doesnt get bunged up with mortar When you have finished fill the holes with polyfilla Anna -- Anna Kettle Lime plaster repair and conservation Freehand modelling in lime: overmantels, pargeting etc Tel: ***(+44) *01359 230642 Mob: * (+44) *07976 649862 Please look at my website for examples of my work at: www.kettlenet.co.uk * |
#5
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Easy way to find joists above a lath and plaster ceiling?
I was hoping you were going to answer Anna, thank you. I tried the
tapping others have suggested - slightly better than the stud detector, but still very hit and miss - the fine drillings worked best. No need to fill the holes, as they're directly above the timber plate (I already have a laser line to follow, it's just finding the intersections with loft joists that's the trouble!) Thanks to all for your suggestions. |
#6
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Easy way to find joists above a lath and plaster ceiling?
wrote in message ... I'm putting up timber stud partitions, and need to screw several top plates into the loft joists in a lath and plaster ceiling (working around various exposed features). For a bunch of reasons, access from above is not so easy (not impossible, just awkward). My stud detector just bleeps everywhere (because of the laths and nails). The only thing I can think off is to drill a few test holes with a fine drill (e.g 3mm) until I hit a loft joist. I reckon I could end up doing a few of those for each fixing point, as the loft joists are not very accurately spaced (Victorian building). Anyone have any tips to make the job easier? Where I have to fix top plates parallel to the loft joists (and no doubt not directly underneath one) - I'm thinking to fix noggins above (fortunately these will be in a more accessible area), and then use 120-130mm screws to be sure to bite into the loft joists. Any other recommended solutions? Do you know which way the joist are running? Those old ceilings have latte (lathe) batons across the joists, running at 90 degrees from the joists. When you try to find the joists with a detector, all you get is the points where the lattes are nailed to the cross batons, which is almost everywhere on the ceiling. Where you are erecting your stud wall, punch a hole through enough to stick a hand in and feel exactly where you are with the joists. Use your tape measure to get an idea of where the rest of the joists are. The hole you make is easily covered by the top plate of the stud you're building. |
#7
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Easy way to find joists above a lath and plaster ceiling?
replying to BigWallop, Tonia wrote:
Im just wondering, is your basement ceiling exposed at all? If so, does the studs run the same way downstairs as up? -- for full context, visit https://www.homeownershub.com/uk-diy...ng-518914-.htm |
#8
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Easy way to find joists above a lath and plaster ceiling?
On Tuesday, 17 April 2018 04:14:05 UTC+1, Tonia wrote:
replying to BigWallop, Tonia wrote: Im just wondering, is your basement ceiling exposed at all? If so, does the studs run the same way downstairs as up? I'm wondering why you hoh people keep replying to posts a decade old. Bigwallop hasn't been seen here in a long time. Come here via a sane usenet portal & you won't have that problem. NT |
#9
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Easy way to find joists above a lath and plaster ceiling?
Oh yes they will seeing as I can see the posting date on that post on that
portal, so why cannot they? I suspect this is due to that server ignoring years even though it adds them, it seems to treat all years the same way regurgitating posts over and over. Brian -- ----- - This newsgroup posting comes to you directly from... The Sofa of Brian Gaff... Blind user, so no pictures please! wrote in message ... On Tuesday, 17 April 2018 04:14:05 UTC+1, Tonia wrote: replying to BigWallop, Tonia wrote: I'm just wondering, is your basement ceiling exposed at all? If so, does the studs run the same way downstairs as up? I'm wondering why you hoh people keep replying to posts a decade old. Bigwallop hasn't been seen here in a long time. Come here via a sane usenet portal & you won't have that problem. NT |
#10
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Easy way to find joists above a lath and plaster ceiling?
On Tue, 17 Apr 2018 14:12:31 +0100
"Brian Gaff" wrote: That's the difference between visually available information and perceived/processed information - if the stupid web page presents a post there's a tendency to think it's recent/relevant and not look for the date. In our nice Usenet clients we can sort messages by date and not have ancient posts put next to recent ones. The website also doesn't offer any sort of "hide read messages" option. Oh yes they will seeing as I can see the posting date on that post on that portal, so why cannot they? |
#11
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Easy way to find joists above a lath and plaster ceiling?
On 17/04/18 04:14, Tonia wrote:
replying to BigWallop, Tonia wrote: Im just wondering, is your basement ceiling exposed at all? If so, does the studs run the same way downstairs as up? As the original post was made 9 1/2 YEARS ago, I'm sure the OP has solved the problem, given up or died in the meantime... Hint: It's the bit on HomeOwner's We-Rip_off_USENET-and-do-it-badly Hub that says: "posted on November 8, 2008, 4:47 pm" *sigh* |
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