he wants to reproduce an original inside cover for the firewall, which is actually called a 'dash panel mat insulator'

yes Hook, it's jute backed, asphalt impregnated cardboard - be hard to form to a good fit, which is why they don't make the 'correct' repro, just fiberglass

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics