: Jack,

: Why do you use peel ply in this case (other than under the inlet/outlet
: tubes)? Is it as flow media or are there secondary bonding steps

The peel ply is between the bag and the laminate primarly to get a smooth surface on the interior. The vacuum bag wrinkles some as it sucks down. Without the peel ply we would have to sand down little ridges and bumps on the kayak interior. It also acts as a bleeder and wicks away excess resin. Lastly it keeps the infusion tubes from bonding to the laminate.

Regards,

Jack