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Poly-e-styrene.....?


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Anyone know what poly-e-styrene is? (very possibly wrong spelling) Apparently a finer type of polystyrene that comes in pink or blue mostly, good for modelling stone walls etc. Also any info on where to get it would be v helpful!

 

Thanks

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I think I know what he means, but I can't remember the name of it. It's like a very dense sort of polystyrene which you can sand/file to shape. I've used it in school years ago to form the floats for our Techno Games swimming robots, but the name escapes me :)
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Possibly E Polystyrene,E for Extruded rather than bead type expanded, aka Styrofoam blue and pink are colours common in building industry for wall and floor insulation panels,

 

http://www.favonius.com/soaring/foams/foams.htm

 

http://www.barrule.com/Workshop/images/info/foams/index.htm

 

Expanded polystyrene, if you get it in suitable fire retardent grade and coated with Foamcoat or similar , makes a decent rock or brick wall.

 

Difference in cost:

 

http://www.diy.com/diy/jsp/bq/nav/nav.jsp?...s=1194230557708

 

Jablite 50mm 1200 X 450mm Expanded poly £2.76

 

Knauf 52.5mm 1200 X 500mm Extruded poly £16.98

 

Thats fairly HD insulation against low grade insul board, other builders merchants might be bit more competitive

 

Foamcoat , costs loads but means stuff dosent distintegrate with finger impressions all over it:

 

http://www.flints.co.uk/acatalog/copy_of_Rosco_Foamcoat.html

 

Jesmonite

 

http://www.flints.co.uk/acatalog/Glass_Fib..._Jesmonite.html

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What are you wanting to model?

 

Have you thought about builders expanding foam, you can squirt it into all sorts of receptacles, plastic buckets, sandwhich boxes, plastic bags etc a large can will expand to just about fill a dustbin, then when it sets you can shape it with basic DIY tools.

 

 

EDIT; if it is stone walls you are looking for, make contact with Pinewood Studios Vac-form workshop and get a copy of their catalogue, they can supply a whole range of 8 x 4 vac-form sheets of walls , doors, windows, etc, etc.

 

They are very helpful and the prices are reasonable

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