I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

In message .com,
Martin Bonner writes
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Practice ...

--
geoff

In an earlier contribution to this discussion,
raden wrote:

In message .com,
Martin Bonner writes
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Practice ...

By the time you've done about 100, you'll be getting quite good! g

If you can't wait that long, pay someone else - who has already practised -
to do it.
--
Cheers,
Roger
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Roger Mills wrote:

In an earlier contribution to this discussion,
raden wrote:

In message .com,
Martin Bonner writes
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Practice ...

By the time you've done about 100, you'll be getting quite good! g

If you can't wait that long, pay someone else - who has already practised
- to do it.

I have no expertise on this at all - but I had a mate who taught himself.

He practised a bit (not a lot), did one wall - which looked pretty good.

He then took me to another room and said something like "I was getting the
hang of it by here". It was practically perfect.

The guy was a genius at picking things up - but goes to show, you won't know
till you try. I'm planning to screw a bit of 8x4 to the garage wall and
have a go later this year. So, to the OP - practise on some spare?

Cheers

Tim

Tim S wrote:
I'm planning to screw a bit of 8x4 to the
garage wall and have a go later this year. So, to the OP - practise
on some spare?

Cheers

Tim

She's a big girl. ;-)

--
Sir Benjamin Middlethwaite

On 1 May 2006 11:42:57 -0700, "Martin Bonner" wrote:

I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Don't ..use taper edged board and tape /joint it .

Stuart

Martin Bonner wrote:
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Presuming you know how to mix it (properly), fix corner beads around windows
and corners etc, and actually get the plaster onto the wall within 10
minutes of mixing it....

You need a largeish paintbrush, buckets and plenty of water, along with the
usual plastering tools.

put the first coat of plaster all over leaving no gaps, don't worry too much
at this stage what it looks like, just get it covered.
Mix second mix in *clean* bucket and with *clean* mixing tools and make it
about half the volume of what you used in the first coat.
Apply second coat immediately (or 15 minutes after first coat was
finished)...as a basic rule of thumb, if you can place fingertips onto it
(not pushing) and not leave dents, it's ready for second coat.
Apply very thinly, this will remove a lot of the ridges and fill in a lot of
the valleys...don't be tempted to spend too long on any particular area,
even this will not be an adequate finish, this comes later.

Once the second coat is on and you have cleaned off all tools etc, wet the
trowel and rub the plaster upwards in long movements working from left to
right, don't wet the trowel again until you feel it 'pulling', IE you sense
resistence - it should glide and there should always be smoothness at this
stage.

Once the wall has had one going over like this (it's called 'laying the
plaster down') it can be left for a while...a final polishing after 15 - 20
mins will have a surface akin to glass, at least it is when I do it. :-p

The whole thing from start to finish can take no longer than 1 hour - ten
mins for first coat, ten for second, wait 10, lay it down 10 mins, wait 10,
polish 10 mins....depending on size of wall...obviously i don't work like
this, I put on two walls and a ceiling, then start second coating them, then
first coat two other walls, lay down the first batch, then second coat the
second two walls, polish the first two, then polish the second two, then I
have dinner and then do the same in the afternoon....YMMV!


BTW, it's always better to have someone helping you, as soon as the stuff is
mixed, get it out of th bucket and get them to clean it, (and the mixing
implements) ready for the next mix, if you do it yourself, it will have gone
off by the time you've finished cleaning up...don't attempt to skimp on the
cleaning up, old plaster (over 15 minutes old, whether it's in the bucket,
on the trowel or on the mixing implements) will cause any newly mixed
plaster to go off within a few minutes.

On Mon, 01 May 2006 23:34:24 GMT, "Phil L"
wrote:

Martin Bonner wrote:
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Presuming you know how to mix it (properly), fix corner beads around windows
and corners etc, and actually get the plaster onto the wall within 10
minutes of mixing it....

You need a largeish paintbrush, buckets and plenty of water, along with the
usual plastering tools.

put the first coat of plaster all over leaving no gaps, don't worry too much
at this stage what it looks like, just get it covered.
Mix second mix in *clean* bucket and with *clean* mixing tools and make it
about half the volume of what you used in the first coat.
Apply second coat immediately (or 15 minutes after first coat was
finished)...as a basic rule of thumb, if you can place fingertips onto it
(not pushing) and not leave dents, it's ready for second coat.
Apply very thinly, this will remove a lot of the ridges and fill in a lot of
the valleys...don't be tempted to spend too long on any particular area,
even this will not be an adequate finish, this comes later.

Once the second coat is on and you have cleaned off all tools etc, wet the
trowel and rub the plaster upwards in long movements working from left to
right, don't wet the trowel again until you feel it 'pulling', IE you sense
resistence - it should glide and there should always be smoothness at this
stage.

Once the wall has had one going over like this (it's called 'laying the
plaster down') it can be left for a while...a final polishing after 15 - 20
mins will have a surface akin to glass, at least it is when I do it. :-p

The whole thing from start to finish can take no longer than 1 hour - ten
mins for first coat, ten for second, wait 10, lay it down 10 mins, wait 10,
polish 10 mins....depending on size of wall...obviously i don't work like
this, I put on two walls and a ceiling, then start second coating them, then
first coat two other walls, lay down the first batch, then second coat the
second two walls, polish the first two, then polish the second two, then I
have dinner and then do the same in the afternoon....YMMV!


BTW, it's always better to have someone helping you, as soon as the stuff is
mixed, get it out of th bucket and get them to clean it, (and the mixing
implements) ready for the next mix, if you do it yourself, it will have gone
off by the time you've finished cleaning up...don't attempt to skimp on the
cleaning up,


old plaster (over 15 minutes old, whether it's in the bucket,
on the trowel or on the mixing implements) will cause any newly mixed
plaster to go off within a few minutes.


A bit of the previous mix being in with the new mix may make a slight
difference at the going off rate but its not that extreme.

Plastering is all about practise, you cant do it with a stopwatch.
Different batches go off at different rates but I've never experienced
plaster with 2 coats that was ready to polish after 30 minutes, unless
its passed its use by date, more like 2 hours.

marvelous wrote:

A bit of the previous mix being in with the new mix may make a slight
difference at the going off rate but its not that extreme.

Plastering is all about practise, you cant do it with a stopwatch.
Different batches go off at different rates but I've never experienced
plaster with 2 coats that was ready to polish after 30 minutes, unless
its passed its use by date, more like 2 hours.

Bloke who plastered my last house mixed a bit of cement powder in with
the skim to make it go off quicker - I thought he was mad!

Martin Bonner wrote:
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Cut the boards to fit and place them in order. There should be an half
inch gap between the floor and the board. Mix the adhesive pretty stiff
and daub all along the edges and dot spots all over the inside. Offer
to wall and check for plumb, dips and bulges. You will have to smack
them quite hard to force them flat so get a stout, longish straight
edge.

Offer the next one to it and get the surface flat then offer the
straight edge across both sheets to ensure they are a match. Then on
with the next one. A bathroom should be dead easy as it isn't that big
a room.

Why bother skimming it?

Weatherlawyer wrote:
Martin Bonner wrote:
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

Cut the boards to fit and place them in order. There should be an half
inch gap between the floor and the board. Mix the adhesive pretty stiff
and daub all along the edges and dot spots all over the inside. Offer
to wall and check for plumb, dips and bulges. You will have to smack
them quite hard to force them flat so get a stout, longish straight
edge.

Offer the next one to it and get the surface flat then offer the
straight edge across both sheets to ensure they are a match. Then on
with the next one. A bathroom should be dead easy as it isn't that big
a room.

Thanks, but I'm going to be putting up battens and fixing the board to
those. The reason for doing this is to be able to put in some
insulation inside the 9" brickwork.

Why bother skimming it?

Because I think it will look better.

This might help a little-

http://www.ultimatehandyman.co.uk/PLASTER_SKIMMING.htm

There is a full section on plastering- http://www.ultimatehandyman.co.uk/PLASTERING_CENTRE.htm

Don't miss the monthly competition- http://www.ultimatehandyman.co.uk/co...n_May_2006.htm

Perhaps I shouldn't of mentioned the competition, as the dewalt drill has my name on it :-)

Martin Bonner wrote:
I'm going to dry-line an outside wall in the bathroom. Does anybody
have any instructions on how to get a reasonably smooth finish?

With the all the info you have some it has been left out...

A mixing paddle for the drill, lessens the task of mixing by hand.
Band aid plasters for the palm of your hand just under the fingers.

--
Sir Benjamin Middlethwaite