Reserve the smooth edges for joints running across open scen-
ery, and hide the rougher edges along the backdrop, fascia. or
roadbed. When this is impossible, carefully cut the fabric paral-
lel to the threads and/or seal the edges with a little hot glue or
white glue to prevent fraying.
Applying the plaster
We use US Gypsum’s USG Hydrostone plaster [8], because that’s
what our local supplier carries. Other similar grades should do
just as well. Contrary to model railroad lore, there is only one
BURLAP HARDSHELL |
9
9. Spraying the burlap with wet water primes it to accept the
coat of creamy plaster and keeps it from drawing moisture out
of the plaster too quickly.