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Topic got your attention, eh!

We are in process of redoing a mountain that when in old house its backside was hidden from view, but in new house room is exposed  and looks like c***.  So out comes the chisel and saws to remove the masonite board.  What a mess.  And when it was installed I put it in real good which makes it hard to tear apart.

But the really worst part, is starting.  Did I REALLY want to take this all apart or just leave it be, and tell visitors  this side of mountain just slid away ala California, leaving a perfectly vertical smooth mountain side??  Now the chicken wire, plaster cloth (soaked in brown water) and paint and texturing.

Granted this is a small project and not like tearing the whole layout down to start anew, and we can still run trains.  Just some snowy Thursday morning musing.

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Why not leave the Masonite in place and make the new part of the mountain from several layers of pink foam (extruded foam insulation available at home improvement stores)? The pink foam is lightweight and easy to carve into whatever shape you need, so it can easily be matched to the existing mountain. Once in place, it can be covered with a thin layer of plaster. In your case, put plaster over the top of the Masonite, blend with the original part of the mountain then cover with scenic material.

MELGAR 

Last edited by MELGAR
MELGAR posted:

Why not leave the Masonite in place and make the new part of the mountain from several layers of pink foam (extruded foam insulation available at home improvement stores)? The pink foam is lightweight and easy to carve into whatever shape you need, so it can easily be matched to the existing mountain. Once in place, it can be covered with a thin layer of plaster. In your case, put plaster over the top of the Masonite, blend with the original part of the mountain then cover with scenic material.

MELGAR 

Melgar

Too late already removed masonite. I don't want anything extending outward past the layout plywood edges.  So chicken wire will be formed  from edge inward and meet up with old mountain form.

I like the idea of the foam but afraid visitors and us would be brushing against the foam and knock off pieces.

rrman posted:

Too late already removed masonite. I don't want anything extending outward past the layout plywood edges.  So chicken wire will be formed  from edge inward and meet up with old mountain form.

I like the idea of the foam but afraid visitors and us would be brushing against the foam and knock off pieces.

I carve the foam and then cover it with Sculptamold, Mold-a-Scene or Lightweight Hydrocal. These protect the foam with a hard outer layer that is durable and a good base for scenery. Also lighter, cleaner and much easier than chicken wire and plaster cloth.

MELGAR

GregM posted:

What got my interest was the "soaked in brown water" statement.  The possibilities boggle the mind.

Ah, won't go there!

What I use is brown Quickrete concrete color that I discovered at Home Depot while looking for something else. Pour a little into cool/warm water for plaster cloth.  Cloth dries a light brown or darker if alot of colorant used.

So when we began shaping the old mountain cloth to match the new installed chicken cloth, small brown crack lines appeared which isn't as distracting as whites (used earlier section before discovering my colorant idea) and easier to scenery over if desired..

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