I ended up using a product from Cofair products which is about $13 a roll on Amazon. It went on easy. There was a noticeable decrease in noise. I also placed some in material inside the doors to help with the noise.

http://www.amazon.com/s/ref=nb_sb_ss_i_1_6?url=search-alias%3Daps&field-keywords=cofair+rqr624+6+x24+rubber+quick+roof+patch+kit&sprefix=Cofair%2Caps%2C880

John

1964 K10 Fleetside Pickup Truck