all weatherstrips not 'sponge rubber' would be vulcanized in that one sense Tim, note in the Steele catalog that the only parts specifically stated to be 'vulcanized' are window seals that are one closed loop, not the open-ended ones - their use of the term indicates the ends of the seal have been "heat set" [not glued] together [the 'physical process'] .... as they stated when I discussed the original barn door weatherstrips I supplied for them to repro - the "loop" isn't cast in one piece, it's extruded, then made into the correct closed shape, in the case of the TF door rubbers, the joints are at the square corners - the 2nd door only has the seal on 3 sides

I see 'vulcanization' actually has a: "2. The cross linkage of an adhesive substance obtained by the application of heat and catalysts"

Bill

Last edited by red58; 07/03/2009 4:54 AM.

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