making Rock Faces the RJR way
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In answer to the question how I do the rocks. :-
It becomes obvious how the shapes appear when you see how they are done !!
I mentioned I insulated the shed with 1" styrene, well while I was cleaning up the offcuts the pile started to look like a rock face !!!
So I took the idea further, stack of polystyrene strips stuck together with the polystyrene cement. Then the problem of a surface finish came up. The styrene ball effect did nothing for me. The answer came in the form of a bucket that I had mixed ceramic tile adhesive in ( the powdered form) It had a look of rock. So I mixed some up an painted it on with a sttiff brush.
![](https://i179.photobucket.com/albums/w295/johntealon30/2.jpg)
When dried it look a bit flat and boring, this is improved by the use of a product available from B&Q in spray can. It is a decrative finisih made by Plasticote called flecspray and is available in several colours. I had previously used it on my outdoor layout as ballast. The colour I used for the rock is Gothic Grey and gives the speckled finish..
![](https://i179.photobucket.com/albums/w295/johntealon30/trees.jpg)
Finally it still looks a bit uniform so my favourite colour Matt Black is sprayed on from another aerosol in a fine patchy finish.
![](https://i179.photobucket.com/albums/w295/johntealon30/rocks1.jpg)
Last job add grass scatter to taste.
This larger area that forms the tunnel at the back of the shed was done in the same way but a piece of ply was built into the pile of polystyrene to add strength.
![](https://i179.photobucket.com/albums/w295/johntealon30/S7002328.jpg)
The grass is dropped from above if it finds an area flat enough to settle on fine if not you get expossed rock
![](https://i179.photobucket.com/albums/w295/johntealon30/firwood.jpg)
![](https://i179.photobucket.com/albums/w295/johntealon30/firwood1.jpg)
I use 2 colours of grass just to give a patchy non uniform appearance.
I hope this helps and answers the question.
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Les
Devon Junction
Kernow Junction
Kernow Junction
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Brian(G)
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Petermac
'Petermac
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If you want an even quicker way of making hills …..
When I had the outdoor layout I needed waterproof scenery, in to the back of the van and out came some expanding foam in a can !!! Such as "No more big Gaps"
Squirt it where you want it
![](https://i179.photobucket.com/albums/w295/johntealon30/S7000661.jpg)
Let it set expand and set (about an hour) Then hack at it with a bread knife, to loose the round baloon shapes. Finally spray with car spray aerosols in a couple of colors, this is chocolate brown and black.
![](https://i179.photobucket.com/albums/w295/johntealon30/S7000668.jpg)
John
RJR
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I know that MikeC has used this type of foam, so it's nice to see a few shots of it in use.
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craigmunday.smugmug.net
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cheers Brian
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