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Help - Painting Extruded Styrofoam

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Greg C. Sieren

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Feb 19, 1999, 3:00:00 AM2/19/99
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I will be using extruded styrofoam for my subroad bed. Does any one
have any suggestions on painting land & water on the subroad bed?

What paints adhere the best?

Any and all tips appreciated.

Greg

D Holliday

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Feb 19, 1999, 3:00:00 AM2/19/99
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If you're using "Liquid Nails" or equivalent solvents, make sure you've
plenty of ventilation.

Was busy building a 2.5x7' module on a warm day with the doors closed.

I wound up in the ER of our local hospital, Great folks.

Am I stupid? Yup.

I don't plan to be "this" stupid again.

A 20$ box fan (with a filter) will both clean and pressurize the air,
and keep dust down too.

David

Hans Spiller

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Feb 19, 1999, 3:00:00 AM2/19/99
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the version I use is called "liquid nails for projects", and I've always
used pink styrofoam (and wood). I've had pretty good luck with it. a
friend tried the foam variety and said he had trouble with it, where the
"projects" version seemed to work fine. Dow sells a similar product that I
haven't tried.

I've also had pretty good luck with white glue (e.g. elmers) although it's
water soluble (be careful while ballasting...) and I have to do a better job
of clamping--the liquid nails is pretty tacky right away, where the white
glue needs to clamped.

on latex paint colors: go to your local home center, take a bunch of their
"paint chips" in colors that you think are plausible to compare to your
prototype dirt. annoyingly, these "chips" tend to be organized by tone, so
you'll need to take a bunch of them. I find a quart of latex will cover 40
or 50 square feet. a little less for absorbant surfaces like foam or
scuptamold, a little more for plywood.


Jonathan O'Connor wrote in message <36CE482F...@erols.com>...
>NEVER use regular Liquid Nails on foam unless you are building mountains of
>active volcanoes that erupt with the type of lava that is like hot fudge in
>consistency.
>There is a latex-based variety of Liquid Nails designed specifically for
>use with foam.
>JO'C
>


UffFam

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Feb 20, 1999, 3:00:00 AM2/20/99
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Use latex paints-- get a gallon of flat whire and a tube of brown coloring--
pour off a quart of paint and squeeze in the coloring -- mix and keep adding
until you get a sandy beige that you like. OR just pick a sandy beige from the
get go.

For water that is deep fo from a dar dark blur or black out to lighter color at
the edges turning to your base beige.

Woodland Scenics book and video or Kalmbach scenery book have lots of color
formulas and tips as do the layout construction articles that run at Christmas
time.

Bill Uffelman


jaley

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Feb 20, 1999, 3:00:00 AM2/20/99
to
In article <19990219190428...@ng-fi1.aol.com>,

UffFam <uff...@aol.com> wrote:
>>I will be using extruded styrofoam for my subroad bed. Does any one
>>have any suggestions on painting land & water on the subroad bed?
>>
>>What paints adhere the best?
>
>Use latex paints-- get a gallon of flat whire and a tube of brown coloring--
>pour off a quart of paint and squeeze in the coloring -- mix and keep adding
>until you get a sandy beige that you like. OR just pick a sandy beige from the
>get go.

For earth-colored paint, I took some earth, put it in a plastic bag, and took
it to the paint store. I told them to match the color. After a short while,
two nice men from the clothing department helped me into a jacket -- a
straight one -- and took me to a padded room. After talking to the doctor and
my new friends for a while (several years), I've earned my release. I'll miss
the asylum, and all my new friends. BTW, I no longer play with trains.

Regards,

-Jeff

P.S. I'm told that while I was trying on the straight jacket, the folks in
the paint dept. did manage to match the dirt-colored paint, which would have
been ideal for the foam-based layout I was building at the time.

P.P.S. The bit about being released from a padded cell isn't really true. I'm
at work, where I sit in an 8'x9' padded cubicle. Gotta go, time for therapy!

--
Jeff Aley ja...@pcocd2.intel.com My opinions, my facts,
my everything.

Rusty Keeney

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Feb 20, 1999, 3:00:00 AM2/20/99
to

>Regards,
>
>-Jeff
>
>P.S. I'm told that while I was trying on the straight jacket, the folks in
>the paint dept. did manage to match the dirt-colored paint, which would have
>been ideal for the foam-based layout I was building at the time.
>
>P.P.S. The bit about being released from a padded cell isn't really true. I'm
>at work, where I sit in an 8'x9' padded cubicle. Gotta go, time for therapy!
>
But you're a much better person, now, right?

Jonathan O'Connor

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Feb 20, 1999, 3:00:00 AM2/20/99
to
Not only is latex best, but it's the only way to go to assure that there are no
solvents in the paint that also are solvents of the foam.
JO'C


Jonathan O'Connor

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Feb 20, 1999, 3:00:00 AM2/20/99
to
NEVER use regular Liquid Nails on foam unless you are building mountains of
active volcanoes that erupt with the type of lava that is like hot fudge in
consistency.
There is a latex-based variety of Liquid Nails designed specifically for
use with foam.
JO'C

TOM

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Feb 20, 1999, 3:00:00 AM2/20/99
to
White glue if fine for gluing foam to wood or Homasote, but not for
gluing foam to foam... The glue depends on evaporation of the water to
set and the foam won't allow the air to reach the glue... When gluing to
wood or Homasote, the water is absorbed, allowing the glue to set.

On larger pieces of foam, I found that the white glue had set around the
edges, making an effective seal, but was still liquid in the center,
several weeks after application.

I finally used a large nail to poke holes in the top layer of foam to
allow air to reach the glue layer. It set up in enough places to hold
OK.

That's known as learning the hard way... :>))

<><><> TOM <><><>
-----------------

Hans Spiller wrote:
>
> the version I use is called "liquid nails for projects", and I've always
> used pink styrofoam (and wood). I've had pretty good luck with it. a
> friend tried the foam variety and said he had trouble with it, where the
> "projects" version seemed to work fine. Dow sells a similar product that I
> haven't tried.
>
> I've also had pretty good luck with white glue (e.g. elmers) although it's
> water soluble (be careful while ballasting...) and I have to do a better job
> of clamping--the liquid nails is pretty tacky right away, where the white
> glue needs to clamped.
>
> on latex paint colors: go to your local home center, take a bunch of their
> "paint chips" in colors that you think are plausible to compare to your
> prototype dirt. annoyingly, these "chips" tend to be organized by tone, so
> you'll need to take a bunch of them. I find a quart of latex will cover 40
> or 50 square feet. a little less for absorbant surfaces like foam or
> scuptamold, a little more for plywood.
>
> Jonathan O'Connor wrote in message <36CE482F...@erols.com>...

HO RR fan

unread,
Feb 20, 1999, 3:00:00 AM2/20/99
to
there are at least 3 versions of "liquid nails for projects"....2 in catridge
form, one in a hand size squeeze tube...... the squeeze tube is "liquid nails
for small projects and smell like airplane glue...this will eat the
styrofoam...it does not mention using for styrofoam anywhere on it (nor does it
say not to use it).......a catridge version says "liquid nails for projects and
construction" and is recommended for use with foamboard....the 3rd version
(catridge) is liquid nails for "projects and foamboard"....this version was at
my local walmart....look for the words latex adhesive and you won't go wrong
for bonding foamboard.....tincidentally i tried thinning some out with water to
get more of a runny consistency.....it doesn't want to mix with water too
well......HO RR fan

HO RR fan

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Feb 20, 1999, 3:00:00 AM2/20/99
to
On larger pieces of foam, I found that the white glue had set around the edges,
making an effective seal, but was still liquid in the center, several weeks
after application.>>

i found the same thing happening.....your piercing idea is a good
one.....thanks....HO RR fan

HO RR fan

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Feb 20, 1999, 3:00:00 AM2/20/99
to
i have discovered hot glue gun works perfectly......especially bonding plastic
ties to foamboard or plastic foam roadbed.....i have Arrow Super Power Hot Melt
Glue from walmart...it does NOT melt the styrofoam.... much to my
surprise.....but working time is short..........HO RR fan

TOM

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Feb 20, 1999, 3:00:00 AM2/20/99
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Doncha just hate logical solutions?... :>))

Good idea!

Woodland scenics makes a low temperature glue gun. Also, you can get
dual temperature guns at most craft stores; Michael's for instance. That
way, you could use low temp glue for delicate things and high temp glue
for heavy duty applications. All this from one gun... Ah, Nirvanna (not
the band!)... :>))

<><><> TOM <><><>
-----------------

TOM

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Feb 20, 1999, 3:00:00 AM2/20/99
to
As a bonus, the squeeze bottle was something like $3.00 or $4.00 for 8
ozs. The "calking gun" tube was $0.99 for (I think) 10 1/2 Ozs!

I bought some a month or more ago and did a small test, it worked
great... I haven't used it since and in the middle of this note, I
tested it... Even though I had the tip well sealed (I thought) it set up
enough in the tip to break the cheap calking gun I bought... I won't buy
any more 'til I plan on using most of it within a few days... As Annie
and Willie Nelson might sing; "It's a hard knock life, and then you
die."... :>))

<><><> TOM <><><>
-----------------

Bob

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Feb 20, 1999, 3:00:00 AM2/20/99
to
Greg, it's true, we do go nuts making the ideal color. Maryland red clay!
Maryland Red Clay! MARYLAND RED CLAY! HAHAHAHAHAHAHAHA!

(I used redwood stain mixed roughly (so it streaks) with beige (light tan)
latex paint, over PVA primer, which does a nice job of filling holes.)

MARYLAND RED CLAY! MARYLAND RED CLAY! MARYLAND RED CLAY! HAHAHAHAHAHAHA!

Make SURE you pull the clear plastic coating off the sides of the foam
before painting! Otherwise, the padding in your cell will be yours alone,
with paint chips all over the place!

Regards,
Bob A.

P.S. What's all this stuff about 'therapy'?

Greg C. Sieren wrote in message <7akobg$e...@newsops.execpc.com>...


>I will be using extruded styrofoam for my subroad bed. Does any one
>have any suggestions on painting land & water on the subroad bed?
>
>What paints adhere the best?
>

tr...@bestweb.net

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Feb 21, 1999, 3:00:00 AM2/21/99
to
Hans Spiller wrote:
> on latex paint colors: go to your local home center, take a bunch of their
> "paint chips" in colors that you think are plausible to compare to your
> prototype dirt. annoyingly, these "chips" tend to be organized by tone, so
> you'll need to take a bunch of them. I find a quart of latex will cover 40
> or 50 square feet. a little less for absorbant surfaces like foam or
> scuptamold, a little more for plywood.

Ok, here's a paint tip that's so good I shouldn't give it away.
Larger home centers (read Home Depot) sell cans of paint that screwed up
while custom mixing. We're talking $.50 per quart, $1 or $2 per gallon.
Luckily, when paint mixing gets messed up, the result is often an earth
tone.
Just leave some for me.

Tim
--
Tim Trewhella
tr...@bestweb.net
http://www.bestweb.net/~trew
"A fire drill does not demand a fire"
-Bart Simpson at the blackboard

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