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17 total messages Started by "Red Devil" Tue, 01 Jun 2004 21:15
Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99408
Author: "Red Devil"
Date: Tue, 01 Jun 2004 21:15
21 lines
569 bytes
I have bitten the bullet and pulled down the ceiling and removed the laths.
The problem now facing me is that the joists are 'all over the shop' in
terms of being level.
After all the hassle of completely removing the old ceiling, I don't want to
end up with a ceiling that is all waves.

What is the best way to approach this ?
I have seen some posts suggesting putting batons across the joists
(levelling them in the process), and then fix the plasterboard to the
batons.

Any suggestions on how to overcome this problem would be most welcome

Many thanks

Con.





Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99555
Author: "Al Reynolds"
Date: Wed, 02 Jun 2004 09:42
23 lines
764 bytes
"Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> I have bitten the bullet and pulled down the ceiling and removed the
laths.
> The problem now facing me is that the joists are 'all over the shop' in
> terms of being level.
> After all the hassle of completely removing the old ceiling, I don't want
to
> end up with a ceiling that is all waves.
>
> What is the best way to approach this ?
> I have seen some posts suggesting putting batons across the joists
> (levelling them in the process), and then fix the plasterboard to the
> batons.

That's what I did and it worked fine.
Also saved me removing the majority
of the nails from the previous lath and
plaster ceiling.  I used 2x1 battens.

Al


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99562
Author: "Red Devil"
Date: Wed, 02 Jun 2004 09:55
31 lines
986 bytes
"Al Reynolds" <ajr-news@bat400.com> wrote in message
news:c9k428$5c2$1@south.jnrs.ja.net...
> "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
> news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> > I have bitten the bullet and pulled down the ceiling and removed the
> laths.
> > The problem now facing me is that the joists are 'all over the shop' in
> > terms of being level.
> > After all the hassle of completely removing the old ceiling, I don't
want
> to
> > end up with a ceiling that is all waves.
> >
> > What is the best way to approach this ?
> > I have seen some posts suggesting putting batons across the joists
> > (levelling them in the process), and then fix the plasterboard to the
> > batons.
>
> That's what I did and it worked fine.
> Also saved me removing the majority
> of the nails from the previous lath and
> plaster ceiling.  I used 2x1 battens.
>
> Al
>
Thanks for that Al
Did you find the lowest point of the ceiling as a starting point ?



Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99642
Author: "Al Reynolds"
Date: Wed, 02 Jun 2004 16:36
40 lines
1232 bytes
"Red Devil" <C.BoylanGetRidOfSpam@mentorbs.com> wrote in message
news:c9k4nv$oet$1$8300dec7@news.demon.co.uk...
>
> "Al Reynolds" <ajr-news@bat400.com> wrote in message
> news:c9k428$5c2$1@south.jnrs.ja.net...
> > "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
> > news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> > > I have bitten the bullet and pulled down the ceiling and removed the
> > laths.
> > > The problem now facing me is that the joists are 'all over the shop'
in
> > > terms of being level.
> > > After all the hassle of completely removing the old ceiling, I don't
> want
> > to
> > > end up with a ceiling that is all waves.
> > >
> > > What is the best way to approach this ?
> > > I have seen some posts suggesting putting batons across the joists
> > > (levelling them in the process), and then fix the plasterboard to the
> > > batons.
> >
> > That's what I did and it worked fine.
> > Also saved me removing the majority
> > of the nails from the previous lath and
> > plaster ceiling.  I used 2x1 battens.
> >
> > Al
> >
> Thanks for that Al
> Did you find the lowest point of the ceiling as a starting point ?
>
>
>

I was a bit more haphazard than that.
Just started and saw how it went!


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99660
Author: "Michael Mcneil"
Date: Wed, 02 Jun 2004 17:35
52 lines
2067 bytes
"Al Reynolds" <ajr-news@bat400.com> wrote in message
news:c9ksa0$cbv$1@south.jnrs.ja.net

>
> "Red Devil" <C.BoylanGetRidOfSpam@mentorbs.com> wrote in message
> news:c9k4nv$oet$1$8300dec7@news.demon.co.uk...
> >
> > "Al Reynolds" <ajr-news@bat400.com> wrote in message
> > news:c9k428$5c2$1@south.jnrs.ja.net...
> > > "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
> > > news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...

> > > > I have pulled down the ceiling and removed the laths.
> > > > The problem now facing me is that the joists are 'all over the shop'

> > > > What is the best way to approach this ?
> > > > I have seen some posts suggesting putting batons across the joists
> > > > and then fix the plasterboard to the batons.

> > > That's what I did and it worked fine.
> > > Also saved me removing the majority
> > > of the nails from the previous lath and
> > > plaster ceiling.  I used 2x1 battens.

> > Did you find the lowest point of the ceiling as a starting point ?

> I was a bit more haphazard than that.
> Just started and saw how it went!

What caused the ceiling to fall out of shape? Check for problems and
reinforce or replace as necessary.

Roof battens would be the cheapest. With a partner walk down the room
holding up a string line to find the low point and if you don't want to
make it higher, use that as your datum. Put a batton across the joists
at that point. now put battons at the edges of the ceiling parallel to
that using a straight edge and packers to get them level. (Cut up a load
of ply pieces to suit ready.)

Now string two lines between them and tack the rest of the batons in
place at whatever centres you want, 400 mm say. Go to the size of the
boards you are using. Small ones are the easiedt to use.

Use the straight edge to mke sure they are straight and level as you
nail or screw them and voila, une ceiling splondee.

If you want to raise the ceiling you might be able to pull it up with
battons to the rafters. Not recommended.


--
Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99666
Author: Ian Stirling
Date: Wed, 02 Jun 2004 17:46
34 lines
1280 bytes
Red Devil <C.BoylanGetRidOfSpam@mentorbs.com> wrote:
>
> "Al Reynolds" <ajr-news@bat400.com> wrote in message
> news:c9k428$5c2$1@south.jnrs.ja.net...
>> "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
>> news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
>> > I have bitten the bullet and pulled down the ceiling and removed the
>> laths.
>> > The problem now facing me is that the joists are 'all over the shop' in
>> > terms of being level.
>> > After all the hassle of completely removing the old ceiling, I don't
> want
>> to
>> > end up with a ceiling that is all waves.
>> >
>> > What is the best way to approach this ?
>> > I have seen some posts suggesting putting batons across the joists
>> > (levelling them in the process), and then fix the plasterboard to the
>> > batons.
>>
>> That's what I did and it worked fine.
>> Also saved me removing the majority
>> of the nails from the previous lath and
>> plaster ceiling.  I used 2x1 battens.

> Thanks for that Al
> Did you find the lowest point of the ceiling as a starting point ?

A laser level can be most useful, as can getting your head up at
ceiling level and having a look from all corners of the room.
A bit of plastic hose with a clear bit on the end as a water level can be
very handy too.


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99782
Author: Rob Griffiths
Date: Thu, 03 Jun 2004 01:42
40 lines
1573 bytes
In article <ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net>,
 "Red Devil" <conNOSPAM@theboylans.co.uk> wrote:

> I have bitten the bullet and pulled down the ceiling and removed the laths.
> The problem now facing me is that the joists are 'all over the shop' in
> terms of being level.
> After all the hassle of completely removing the old ceiling, I don't want to
> end up with a ceiling that is all waves.
>
> What is the best way to approach this ?
> I have seen some posts suggesting putting batons across the joists
> (levelling them in the process), and then fix the plasterboard to the
> batons.
>
> Any suggestions on how to overcome this problem would be most welcome
>
> Many thanks
>
> Con.


I'd concur with the poster who suggested finding out what is the causing
the joists to be wonky.

I bought an 1890's terrace a few years back, the ceilngs upstairs were
all horribly cracked and at very bizarre angles.

Cause - heavy concrete tiles putting too much down force thru a single A
frame on to fairly flimsy joists.

Remedy - whack in two more A frames (v. cheap, only a bit of heavy duty
timber and a few bolts) - the joists relaxed and started to straighen up
almost staight away, but to help 'em along that road I laid two lengths
of 3*3 above the joists at 90 degrees and used long screws with bolt
heads to rachet the joists up to 'true' where they were dipping. Five
years down the line the new ceilings still look good and flat (and
uncracked). For me it was a lot less hassle than battens, and I kept the
original ceiling height.

Rob
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99786
Author: "Michael Mcneil"
Date: Thu, 03 Jun 2004 06:29
13 lines
465 bytes
"Michael Mcneil" <weatherlawyer@hotmail.com> wrote in message
news:0b34cd0e87d15dcea5462d2ddbcc1f85.45219@mygate.mailgate.org

> Now string two lines between them and tack the rest of the batons in
> place at whatever centres you want, 400 mm say. Go to the size of the
> boards you are using. Small ones are the easiedt to use.

600mm centres I mean. I'd just been fixing skirting when I wrote that.



--
Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99787
Author: "Michael Mcneil"
Date: Thu, 03 Jun 2004 06:37
21 lines
847 bytes
"Rob Griffiths" <r.w.griffiths@open.ac.uk> wrote in message
news:r.w.griffiths-0F35D4.01421103062004@news-text.dial.pipex.com

> I bought an 1890's terrace a few years back, the ceilngs upstairs were
> all horribly cracked and at very bizarre angles.

> Cause - heavy concrete tiles putting too much down force thru a single A
> frame on to fairly flimsy joists.

Nice point and the reason we have building controls in this country.

Good old fashioned slates are wafer thin and the large ones cover a lot
of ground with very little overall thickness. Old property utilised this
lightness to build lots of houses rapidly as cheaply as possible in the
days before building regs. (They are still standing though.)

I was thinking more of people using their attics as storage bins.


--
Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99801
Author: andrew@cucumber.
Date: Thu, 03 Jun 2004 08:58
13 lines
528 bytes
In article <r.w.griffiths-0F35D4.01421103062004@news-text.dial.pipex.com>,
	Rob Griffiths <r.w.griffiths@open.ac.uk> writes:
>
> I'd concur with the poster who suggested finding out what is the causing
> the joists to be wonky.

Bare in mind that walls and ceilings behind plaster of that age were
often not flat/vertical/horizontal/etc. It was the plasterer's job to
do that, and you can find the plaster thickness varying from 0.5" to 2"
over laths in order to make the surface flat/vertical/horizontal.

--
Andrew Gabriel
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99791
Author: "Red Devil"
Date: Thu, 03 Jun 2004 09:05
24 lines
788 bytes
"Michael Mcneil" <weatherlawyer@hotmail.com> wrote in message
news:cbadcb6332d6380eaf12e3947a62f0d9.45219@mygate.mailgate.org...
> "Michael Mcneil" <weatherlawyer@hotmail.com> wrote in message
> news:0b34cd0e87d15dcea5462d2ddbcc1f85.45219@mygate.mailgate.org
>
> > Now string two lines between them and tack the rest of the batons in
> > place at whatever centres you want, 400 mm say. Go to the size of the
> > boards you are using. Small ones are the easiedt to use.
>
> 600mm centres I mean. I'd just been fixing skirting when I wrote that.
>
>
>
> --
> Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
Thanks for all the advice so far.

Are 600mm centres for the batons ok ? I am thinking about using 1200mm
sheets. That would be easy enough if 600mm centres are ok.

Con


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99841
Author: "IMM"
Date: Thu, 03 Jun 2004 13:19
27 lines
1178 bytes
"Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> I have bitten the bullet and pulled down the ceiling and removed the
laths.
> The problem now facing me is that the joists are 'all over the shop' in
> terms of being level.
> After all the hassle of completely removing the old ceiling, I don't want
to
> end up with a ceiling that is all waves.
>
> What is the best way to approach this ?
> I have seen some posts suggesting putting batons across the joists
> (levelling them in the process), and then fix the plasterboard to the
> batons.
>
> Any suggestions on how to overcome this problem would be most welcome

You are in a brilliant situation to kill many birds with one stone.  Fill
the void with rockwool to suppress sound.  Under the joists fit metal
resilient bars to isolate the ceiling from the floor above. They can be
lowered to make the ceiling level. This reduces sound travel. Fit Fermacell
pre-finished plasterboard. http://www.fermacell.co.uk It can be screwed on
and holes filled with their filler and sanded down, then paint over.  No
expensive wet trades and sound and heat insulated too.


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99842
Author: "IMM"
Date: Thu, 03 Jun 2004 13:23
42 lines
1431 bytes
"Rob Griffiths" <r.w.griffiths@open.ac.uk> wrote in message
news:r.w.griffiths-0F35D4.01421103062004@news-text.dial.pipex.com...
> In article <ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net>,
>  "Red Devil" <conNOSPAM@theboylans.co.uk> wrote:
>
> > I have bitten the bullet and pulled down the ceiling and removed the
laths.
> > The problem now facing me is that the joists are 'all over the shop' in
> > terms of being level.
> > After all the hassle of completely removing the old ceiling, I don't
want to
> > end up with a ceiling that is all waves.
> >
> > What is the best way to approach this ?
> > I have seen some posts suggesting putting batons across the joists
> > (levelling them in the process), and then fix the plasterboard to the
> > batons.
> >
> > Any suggestions on how to overcome this problem would be most welcome
> >
> > Many thanks
> >
> > Con.
>
>
> I'd concur with the poster who suggested finding out what is the causing
> the joists to be wonky.
>
> I bought an 1890's terrace a few years back, the ceilngs upstairs were
> all horribly cracked and at very bizarre angles.
>
> Cause - heavy concrete tiles putting too much down force thru a single A
> frame on to fairly flimsy joists.
>
> Remedy - whack in two more A frames (v. cheap, only a bit of heavy duty
> timber and a few bolts) - the joists relaxed and started to straighen up
> almost staight away,

Your A frames.  What exactly did you do?


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99926
Author: davidlobsterpot6
Date: Thu, 03 Jun 2004 13:54
30 lines
1572 bytes
"Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message news:<ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net>...
> I have bitten the bullet and pulled down the ceiling and removed the laths.
> The problem now facing me is that the joists are 'all over the shop' in
> terms of being level.
> After all the hassle of completely removing the old ceiling, I don't want to
> end up with a ceiling that is all waves.
>
> What is the best way to approach this ?
> I have seen some posts suggesting putting batons across the joists
> (levelling them in the process), and then fix the plasterboard to the
> batons.

I was recently faced with precisely the same problem in an upstairs
room; the ceiling joists were randomly warped all over the place.  To
be honest they were too thin too by modern standards, and by rights I
should probably have ripped them down and started again with new
joists.  However, on the advice of my plasterer I jacked up a long
length of 3"x2" timber against them (ie the full length of the room,
down the middle, at 90 deg to the joists) using an Acrow prop at
either end.  Holding my breath, I cranked up both Acrows, and slowly
but surely, all the joists came nicely into line, with no nasty
cracking noises...

Next step was to screw each joist to the rafters in the roof using 2
lengths of 2"x1" timber per joist, to hold them in position; and
finally, the Acrows were removed.  The joists all stayed right where
they were; we then plasterboarded the ceiling and the plasterer worked
his magic - it looks fabulous! as good as a new build.

David
Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99849
Author: "Red Devil"
Date: Thu, 03 Jun 2004 14:08
40 lines
1466 bytes
"IMM" <abuse-imm@easy.com> wrote in message
news:c9n557$22i$1@newsg3.svr.pol.co.uk...
>
> "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
> news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> > I have bitten the bullet and pulled down the ceiling and removed the
> laths.
> > The problem now facing me is that the joists are 'all over the shop' in
> > terms of being level.
> > After all the hassle of completely removing the old ceiling, I don't
want
> to
> > end up with a ceiling that is all waves.
> >
> > What is the best way to approach this ?
> > I have seen some posts suggesting putting batons across the joists
> > (levelling them in the process), and then fix the plasterboard to the
> > batons.
> >
> > Any suggestions on how to overcome this problem would be most welcome
>
> You are in a brilliant situation to kill many birds with one stone.  Fill
> the void with rockwool to suppress sound.  Under the joists fit metal
> resilient bars to isolate the ceiling from the floor above. They can be
> lowered to make the ceiling level. This reduces sound travel. Fit
Fermacell
> pre-finished plasterboard. http://www.fermacell.co.uk It can be screwed on
> and holes filled with their filler and sanded down, then paint over.  No
> expensive wet trades and sound and heat insulated too.
>
>
The fermacell looks interesting but unfortunately I have already bought the
plasterboard.

What sort of metal structure do you fit to the joists ?




Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99856
Author: "IMM"
Date: Thu, 03 Jun 2004 14:59
47 lines
1685 bytes
"Red Devil" <C.BoylanGetRidOfSpam@mentorbs.com> wrote in message
news:c9n7vd$fe8$1$8300dec7@news.demon.co.uk...
>
> "IMM" <abuse-imm@easy.com> wrote in message
> news:c9n557$22i$1@newsg3.svr.pol.co.uk...
> >
> > "Red Devil" <conNOSPAM@theboylans.co.uk> wrote in message
> > news:ty6vc.661$rf3.323@newsfe2-gui.server.ntli.net...
> > > I have bitten the bullet and pulled down the ceiling and removed the
> > laths.
> > > The problem now facing me is that the joists are 'all over the shop'
in
> > > terms of being level.
> > > After all the hassle of completely removing the old ceiling, I don't
> want
> > to
> > > end up with a ceiling that is all waves.
> > >
> > > What is the best way to approach this ?
> > > I have seen some posts suggesting putting batons across the joists
> > > (levelling them in the process), and then fix the plasterboard to the
> > > batons.
> > >
> > > Any suggestions on how to overcome this problem would be most welcome
> >
> > You are in a brilliant situation to kill many birds with one stone.
Fill
> > the void with rockwool to suppress sound.  Under the joists fit metal
> > resilient bars to isolate the ceiling from the floor above. They can be
> > lowered to make the ceiling level. This reduces sound travel. Fit
> Fermacell
> > pre-finished plasterboard. http://www.fermacell.co.uk It can be screwed
on
> > and holes filled with their filler and sanded down, then paint over.  No
> > expensive wet trades and sound and heat insulated too.
> >
> >
> The fermacell looks interesting but unfortunately I have already bought
the
> plasterboard.
>
> What sort of metal structure do you fit to the joists ?

Details should on the fermacell site.


Re: Fixing Plasterboard to UnLevel Ceiling Joists, How...?
#99896
Author: "Michael Mcneil"
Date: Thu, 03 Jun 2004 18:36
25 lines
931 bytes
"Red Devil" <C.BoylanGetRidOfSpam@mentorbs.com> wrote in message
news:c9mm6g$41s$1$8300dec7@news.demon.co.uk

> Are 600mm centres for the batons ok ? I am thinking about using 1200mm
> sheets. That would be easy enough if 600mm centres are ok.

600mm centres are what the modern trusses are set to. You can use any
centres you like but stick to divisions of 1200 and 2400 if you are
using
those sheets. If you keep them all the same and parallel you can always
find the "grounds" after covering them. Don't forget grounds to screw
the
lighting to.

Use a tee shape to wedge the board up once it is in place. I used to put
a couple of wide headed clouts up against the last sheet to take the
edge of the next if I was working alone. They just catch it as you offer
it up. Then stick the shore in place and you can let go for a breather
and get your hammer and nails.




--
Posted via Mailgate.ORG Server - http://www.Mailgate.ORG
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