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What is the best way to make dirt roads?

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Posted by delray1967 on Thursday, February 16, 2012 1:36 PM

Years ago I heard using baseball diamond dirt was the best real dirt to use...something about the clay content made it better than other sources (something about other dirt having 'sparkly' characteristics that this particular type of clay doesn't?).  I took this advice and headed to the park and got a coffee can full of dirt (I took a bit from several places so I didn't make a dangerous divot someone could twist an ankle stepping in, also, the top layer is the best stuff, if I remember correctly; this was 20 years ago and still have quite a bit leftover)..

When I got this stuff home, I first sifted it through regular window screen, then through an old pair of pantyhose.  I remember this took a while...I poured a few large spoonfuls into the toe-end of the pantyhose and gently bounced this into a smaller can.  Be careful, the elastic nature of pantyhose can cause larger particles to fall through (the more you stretch, the bigger the holes are).  If I did this right, I'd end up with a pile of dust in the can, which makes scale looking dirt.  Leftover in the toe, will be something similar to sand, but a bit smaller; I used this for coarse gravel, it's bit bigger than HO scale gravel so don't use this for your roads (well, you could, but personally I don't like the way it looks).    I kept the dust and the next larger grade and returned the big stuff to the baseball diamond (might as well return what I didn't use, rather than throw it away!).  The dust is a bit difficult to work with, but I really like the results.  WS foam 'turf' or sand from a sandbox, or anything like that, doesn't look right to me; I guess as long as it's sifted to a very fine grade, anything will work (I don't like over scale-sized gravel or ballast, but encourage anyone to try it; it might look good to you...and that's all that matters).

I used this baseball diamond dust in the scrapyard on my 4x8 layout, you might be able to see it here (in the S&W Layout album):

http://delray1967.shutterfly.com/pictures/5

 

http://delray1967.shutterfly.com/pictures/5

SEMI Free-Mo@groups.io

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Posted by wsdimenna on Tuesday, January 31, 2012 8:53 PM

Arizona Rock and mineral is real stone at the right particle size. You can make the topsoil closely match the real thing. Same goes for Scenic express fine dirt.   Many try to mimic the prototype for soil for the area of country that is being modeled.  Correct color size and texture really make a layout standout.

Its a great scene of natural dirt and cover, but a bit big for the size constrained small scale modelers.

 

Bill D

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Posted by Geared Steam on Tuesday, January 31, 2012 6:35 PM

Matt

Very nice!!!!!  Yes

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Posted by Southwest Chief on Tuesday, January 31, 2012 2:13 PM

Best way?  How about using real dirt Laugh

Seriously though, there are some really good tips in this posting.  Many of which I'll try on my HO layout.

Matt from Anaheim, CA and Bayfield, CO
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Posted by wsdimenna on Tuesday, January 31, 2012 9:28 AM

Arizona rock and mineral makes some great powders...which I'm going to try soon.

These dirt / gravel roads were done with somewhat larger size covers for O.

 

 

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Posted by robert sylvester on Monday, January 23, 2012 11:05 AM

Did you receive the DVD with Mr. Dick Elwell. It was sent out by Model Railroader to get folks to look at the DVD's and Tapes made over the years by Allen Keller, as a promotion, the first DVD is really good and I like the idea. In the first presentation Dick demonstrates how he builds a dirt road and his roads look most realistic.

I do it the same way. Sifted dirt,(real), with a basecoat of fine sand, covered by finely sifted top coat, (real dirt), then color it Rit Dye, (powered form). White glue used for the under coats; after the glue dries I sand the subroad bed made from the dirt, then the dye is spread over the unfinished road, dusted on then spread with your fingers.

 I think they look great and they are fun to do.

Thanks,

Robert Sylvester, WTRR

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Posted by bogp40 on Thursday, January 12, 2012 10:06 AM

Jumijo

Has anyone suggested grout powder? It can be as fine as baby powder and comes in any number of colors. 

I guess you're the first. Tile grout both sanded and the extremely fine "non sanded" or a mix can work quite well for many scenery purposes.  It comes in such a wide range of colors too. The only trouble is that we need such a small amount and the sanded grout only is available in 10# bags/ 5# cartons, I guess $$ wise it's propably no more a cost than WS bags of dirt, ballast cinder etc.

I still like to use plaster, Duham's, Durabond and cap w/ sands or soil.

These pics show a mix of the plaster/ sand and finishes w/ washes and WS and Az rock scenery material.

Modeling B&O- Chessie  Bob K.  www.ssmrc.org

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Posted by RR_Mel on Thursday, January 12, 2012 9:36 AM

The best material that I've found for making dirt roads, gravel roads and asphalt roads is from Arizona Rock & Mineral.  They have a great selection of material. http://www.rrscenery.com/ 

It makes fantastic roadways and parking lots.  I mix Elmer's White glue with water, 4 parts water to 1 part glue then make a mud like mix, like when your were a kid.  Spread it out with a standard drywall blade and let it dry.  I model HO scale so I use a 1" blade for narrow dirt roads in my mountains, 2½" blade for my gravel roads and a 4½" blade for my paved roads.  On the dirt roads I use a vehicle with working wheels to make ruts after the mix hardens a bit.  They look like the real thing after they dry.  The asphalt looks better if you coat it with a thinned mix of white glue.  I use yellow auto stripping tape for the yellow center strip, 1/16" works good for HO.

This is a view of my mountain road made with the Arizona Rock & Mineral #1230 Tan Granite. (Base Color Powder)

http://melvineperry.blogspot.com/2009/09/august-13-2009-road-crew.html

Mel

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Posted by HaroldA on Saturday, January 7, 2012 1:33 PM
i have been using foam core board as the base, painting it an earth color and then sprinkling on finely sifted dirt. Then I put on another coat of diluted eath colored pant followed by more sifted dirt. The kicker here is that foam core raises the level of the road so the scenery has to be built up to the edge or it looks strange.

There's never time to do it right, but always time to do it over.....

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Posted by sfcouple on Saturday, January 7, 2012 1:07 PM

I've recently made some nice looking dirt roads using WS Fine Buff Ballast, mixed with dark earth weathering powder and light weight hydrocal.  Just kept adding the weathering powder until the desired color was reached, spooned it on the layout followed by a light misting of wet water.  

Wayne 

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Posted by Jumijo on Saturday, January 7, 2012 7:31 AM

Has anyone suggested grout powder? It can be as fine as baby powder and comes in any number of colors. 

Modeling the Baltimore waterfront in HO scale

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Posted by jmk3438 on Friday, January 6, 2012 11:07 PM

hey guys...i use Durhams powder mix and mix it with earth tome woodland scenics and sprinkle some fine sand ballast...i do about 2 layers of this and it comes out great!   While its still wet, i take some old HO cars and create tire marks on the road...LOOKS SO REAL.

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Posted by selector on Friday, October 6, 2006 3:23 PM
Veerrrry niiiiiiiice, Jon.!
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Posted by Dave-the-Train on Friday, October 6, 2006 2:02 PM

 jfugate wrote:
Jon:

Boy howdy, those weeds have gone wild ... better invest in a big can of roundup! Smile,Wink, & Grin [swg]

Lookin' good there ...

If it's normal retail grade mix it about 1.5 - 2 times stronger than they say and add a squirt of high quality washing up detergent (Fairy liquid in the UK).  This puts it up to commercial strength and stops it being washed off.  Trust me... I've used the stff on Manchester sewage farms...

PS keep the kids and pets off for a bit longer than the instructions...

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Posted by jfugate on Friday, October 6, 2006 11:10 AM
Jon:

Boy howdy, those weeds have gone wild ... better invest in a big can of roundup! Smile,Wink, & Grin [swg]

Lookin' good there ...

Joe Fugate Modeling the 1980s SP Siskiyou Line in southern Oregon

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Posted by jon grant on Friday, October 6, 2006 8:20 AM

Marlon, as promised, here are a couple of new pics - the weeds seem to have sprung up overnight (don't you just hate that)

 

 

Jon

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Posted by selector on Thursday, October 5, 2006 11:25 PM
 Dave Vollmer wrote:
 modelmaker51 wrote:

Stop Wasting Energy!

The critters you  can kill in an oven in 2 hours can be killed just as easily in a microwave in 10 minutes.Smile [:)]

NO!  Don't microwave your dirt.  You may find in a spectacular display of indoor lightning that there are ferrous (i.e., metalic) particles in your dirt...  at the expense of your microwave and personal safety.

So, NO!  Bad dog!  No dirt in microwave.

Should be fine in a plastic microwave-safe container....with a vent, natch.

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Posted by Dave Vollmer on Thursday, October 5, 2006 8:41 PM
 modelmaker51 wrote:

Stop Wasting Energy!

The critters you  can kill in an oven in 2 hours can be killed just as easily in a microwave in 10 minutes.Smile [:)]

NO!  Don't microwave your dirt.  You may find in a spectacular display of indoor lightning that there are ferrous (i.e., metalic) particles in your dirt...  at the expense of your microwave and personal safety.

So, NO!  Bad dog!  No dirt in microwave.

Modeling the Rio Grande Southern First District circa 1938-1946 in HOn3.

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Posted by jon grant on Thursday, October 5, 2006 8:28 PM

 THAT is one great looking dirt road....  Just add a few weeds around the edges.

 

Thanks Marlon.

I'm on with 'planting' grass and weeds around that area at the moment. I'll post a pic when it's done.

 

Jon 

 

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Posted by Medina1128 on Thursday, October 5, 2006 5:49 AM
 jon grant wrote:

I used Woodland Scenics Smooth-It for the first time when I laid this dirt track a week or so ago, and acrylic paint took to it well

Jon

Well, Jon's actions speak volumes and his pics of his dirt road ARE worth a thousand words. THAT is one great looking dirt road, but then I've been making dirt roads this way for years. AND it works for making dirt parking lots as well. Just add a few weeds around the edges. AND you can almost hear that pickup groan when that guy drops that pipe in the bed.

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Posted by GearDrivenSteam on Thursday, October 5, 2006 5:43 AM

 

 flee307 wrote:
 jfugate wrote:
 jeffrey-wimberly wrote:
Why buy it when I can go outside and get it free?Smile [:)]


JW:

Free isn't always the best deal if it isn't what you are looking for.

Dirt from the outside is often way too dark under indoor lighting, and it may be the wrong color to boot. Dry powdered pigments like these from Crayola mixed with plaster is the way I go. For a few bucks (less than $4 per jar), I can get some black, brown, yellow, and blue powdered pigments, and for a few bucks more I get some white plaster of paris.

With this combination of materials, I can literally mix any dirt color I need in a few minutes -- and if I match the color to a reference outdoor photo, it will look right under my layout lighting. Plus, if you include at least 50% plaster in the mix, all you need to do is moisten it with a mist of water and it's fixed in place once the plaster sets. It doesn't get much easier than that. Smile,Wink, & Grin [swg]

NOTE: One thing to watch out for is the pigment and plaster mix can dry darker once you mist it with water. It's best to test your mix on a scrap of material first by misting it with water and see what color it is when it's dry. If it's too dark add more plaster to lighten it, and try again until you get the color you're after.

  While part of what you say may be true, $4 a jar and some plaster is at least $20 total, that's no small outlay for, say a 14 year old just starting their layout.  If the real dirt is too dark, it can be lightened with some plaster, or painted after it's glued in place. We should be offering people ideaS and not steering them into believing that the dollar spending way is the only way to have a nice layout.  Fred   

Flee old boy, you're my hero. heh.

 

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Posted by Dave-the-Train on Thursday, October 5, 2006 3:03 AM
 gear-jammer wrote:

Does anyone know if the alcohol that you apply prior to glue will kill the organisms?

Sue

The alcohol won't necessarily kill them but if you put the dirt on a tray and place the tray at a fairly steep angle the bugs will all end up in a heap at the bottom...Laugh [(-D]

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Posted by Budliner on Thursday, October 5, 2006 1:17 AM

hey some nice roads there

but after the glue I dont think much can live glued like a rock to the board

LOL

 

K-

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Posted by selector on Thursday, October 5, 2006 12:28 AM

Possibly, but not necessarily, Sue.  Your best bet is 30 minutes @350 deg in an oven, or 5 mins on "high" in a microwave.  Either of those will cause a great deal of grief to anything that can divide, copulate, or regrow legs.

If you are worried about molds, mildew, or bacteria, potassium meta-bisulphite (the white powder used to mix with water to sterilize wine and beer making paraphernalia).  Mix a couple of liters, then splash it over the material and let it soak.  Rinse in about 10 minutes, and let dry.  Or, just let it dry and leave the residue in place.  Shouldn't hurt anything.

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Posted by gear-jammer on Wednesday, October 4, 2006 10:53 PM

Does anyone know if the alcohol that you apply prior to glue will kill the organisms?

Sue

Anything is possible if you do not know what you are talking about.

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Posted by robert sylvester on Monday, October 2, 2006 3:29 PM
Royal: I have tried them all, real dirt, but you have to clean it up, dry it out, etc. Fine grain sand with colors mixed in, even like Dave Frary, paints the roads with texture. But I have found a way and it will make a lot of roads; swimming pool filtration powder and Crayola Paint powder, you can get the pool filtration powder at Lowe's or Home Depot and the Crayola Paint Powder at Hobby Lobby, Wal-Mart. Get brown, white, black, mix colors with the pool stuff and spread your roads. make any color you want, then use spray matt medium, (White glue and water) and let it dry.
For concrete roads, styrene, cut up foam trays (the stuff meats come on), and paint it concrete, it is the right thickness, runs right up to the track for crossings, and for tar roads, I have used the roofing felt, it is black and it looks like tar. Just cut up the material and glue down for the road.
Yard Foreman,
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Posted by Anonymous on Friday, September 29, 2006 4:45 PM

Jeff

I notice your in Leesville, I'm up by Shreveport, have you ever visited Longleaf? If not, highly recommend if your at all interested in logging, sawmills, steam, old equipment.

http://www.forestheritagemuseum.org/sfhm.htm

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Posted by Dave-the-Train on Friday, September 29, 2006 3:04 PM

You might like to think about what season you are modelling.

High summer on a dirt road usually means dust, Fall, winter and spring mean mud, mud , mud and more mud.

Dust gets everywhere into/onto vehicles, structures and foliage.  Mud covers everything it can reach.

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Posted by mondotrains on Friday, September 29, 2006 2:46 PM

 jfugate wrote:
 jeffrey-wimberly wrote:
Why buy it when I can go outside and get it free?Smile [:)]


JW:

Free isn't always the best deal if it isn't what you are looking for.

Dirt from the outside is often way too dark under indoor lighting, and it may be the wrong color to boot. Dry powdered pigments like these from Crayola mixed with plaster is the way I go. For a few bucks (less than $4 per jar), I can get some black, brown, yellow, and blue powdered pigments, and for a few bucks more I get some white plaster of paris.

With this combination of materials, I can literally mix any dirt color I need in a few minutes -- and if I match the color to a reference outdoor photo, it will look right under my layout lighting. Plus, if you include at least 50% plaster in the mix, all you need to do is moisten it with a mist of water and it's fixed in place once the plaster sets. It doesn't get much easier than that. Smile,Wink, & Grin [swg]

NOTE: One thing to watch out for is the pigment and plaster mix can dry darker once you mist it with water. It's best to test your mix on a scrap of material first by misting it with water and see what color it is when it's dry. If it's too dark add more plaster to lighten it, and try again until you get the color you're after.

Hi Joe,

As always, you've got some great ideas and I'd like to take advantage of this one.  I just went on-line and bought the Crayola color pigments you suggested (Blick.com was out of black so I bought it from MisterArt.com).  I wondered if you ever tried to mix them with joint compound, which I have used for roads and terrain.  The reason I'd like to use this stuff is it doesn't dry as fast as Plaster of Paris and therefore can be worked a little longer.

Thanks you,

Mondo

 

 

Mondo

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