1939 Cadillac - GM Heritage Center

IMPROVED INSULATION
LaSalle's Steel Body is Insulated at Every Point for Quietness and Comfort
1. Turret Top has finest combination of heat, cold and sound insulation available: thick pad of
asphalt impregnated rag felt; large dead air space; heavy wool headlining matches upholstery.
2. Dash and toe board covered ivith four double layers of asphalt impregnated felt. Each double l
consists of one plain and one waffled layer. Interior finished with leatherette for neat appearance.
3. Door panels lined with asphalt impregnated rag felt.
4. Using sound amplifying equipment body engineers have located sources of noise transmission.
They have scientifically indented steel floor, thereby eliminating them. Floor tightly fitted with
heavy layer of impregnated felt to which is added a thick pile carpet.
5. Rear quarter panels lined with asphalt impregnated rag felt. Dead air space provided. Interior
side wall of heavy wool cloth matching upholstery.
6. Inner sides and front of trunk lined with heavy serge.
7. Trunk lid covered with thick pad of rag felt impregnated with asphalt.
Heavy insulating pads interposed around body bolts prevent any metal-to-metal contact between
body and frame, thus eliminating body rumbling inherent in cars with single unit frames.