Did you try these guys fishface..??
Im pretty sure they carry or can get in clear PVC.
FABCO PLASTICS WESTERN (BC) LIMITED
9511-194A Street, Surrey, B.C.
V4N 4G4
Telephone (604) 882-1564
(800) 232-2422
Fax: (604) 882-1432
Email:
surrey@fabcoplastics.com