On the exterior surface of the outer sheet 14 a foam layer 17 having {HEAD ~ a thickness} from 1/8 inch to {TAIL ~ 3/4 inch} is secured by sealing it to this surface 
to
On the exterior surface of the outer sheet 14 a foam layer 17 having { HEAD ~ a thickness } from 1/8 inch to { TAIL ~ 3/4 inch } is secured by sealing it to this surface
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH