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Until recently, the most widely used technique
for creating a stone deck surface was to mix a slurry of joint compound, white glue and
water. Some scenic artists found they could add certain types of paint to this mixture for
tinting.
But this method, based
on joint compound, white glue and water was improved upon with the introduction of
Rosco’s Foamcoat. Using Foamcoat, as described below, for texturing and finishing,
saves many hours previously spent in getting the joint compound/white glue/water mixture
to the correct consistency. In fact the technique described here requires no mixing at
all;the Foamcoat can be used right out of the container.
How
to do it ?
1 Cut individual "stone" shapes out of homosote using jigsaw. Shape and
soften edges using sandpaper or sureform.
2 Adhere homosote stones to masonite substrate using Rosco FlexBond.
3 Coat entire piece with Rosco Foamcoat. Use 2-3 light coats rather then one very
heavy coat to ensure consistent drying. Foamcoat may be tinted with Rosco Supersaturated
or Off Broadway before application, if desired.
4 Texture individual stones with Foamcoat as desired. Texture may be achieved by
using a brush, trowel or comb to apply the Foamcoat and to detail the surface. A smooth
surface may be achieved by lightly skimming Foamcoat surface with a damp cellulose sponge
while wet. Once thoroughly dry, Foamcoat may also be sanded and/or carved.
5 Apply Off Broadway base color to entire surface. Paint as desired, scumbling
layers of Supersaturated Roscopaint glazes in earth tones to create depth. Using dark
tones in deep areas, such as the mortar, and highlighting high points will give the
illusion of greater depth.
6 Finish with protective layer of Clear Acrylic Glaze, tinted if desired.
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