For Art Deco and earlier trucks the recommendation is to use ammonia to
soften the cardboard, but this turns them into mush in short order. For AD I
spray paint on the hidden side to help waterproof the cardboard. I have told
Jim Carter he should start with an outdoor type cardboard, perhaps with more
plastic/ less cellulose to keep from absorbing moisture. Repros do not hold
up well, and we must complain about ti to vendors. I buy 2 or 3 so I can get
one in without cracking it. Kelly, are you listening? Packing is also a
problem as when rolled too tightly they crack in transit. I think that is
another manifestation of the wrong material being used.
Glue: AD Trucks came with heavy felt paper glued to the roof. I have
replaced this with Q pads from Fiberglass/Evercoat company. I'm sure the
original felt was full of asbestos, so wear respirator when removing. Mouse
droppings also rain down. there is no place for glue on a headliner that has
metal retainer strips. Purpose of original felt was to keep condensation
from dropping down onto cardboard. I don't think there is much sound up
there to insulate. I always prep, prime and paint roof inside before putting
insulating pads on.
Bob ADler
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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