I used thermotec:

https://www.summitracing.com/parts/the-14620/overview/

Easy to cut and stick, coated top of cab, under dash cowl, inside of doors, rear of cab and all the floors even under the seat. Results were a world of difference, money well spent.

Attachments
IMG_0789.JPG (335.33 KB, 659 downloads)
IMG_0799.JPG (270.45 KB, 644 downloads)

Last edited by sstock; 08/03/2019 8:57 PM.
1953 Chevrolet 3100
261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done
In the DITY Gallery
Video of the 261 running

1964 GMC 1000
305 Big Block V6, sm420, the next cab off restoration