Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 96 Times in 87 Posts
Rep Power: 8
The fillet allows the glass to take a fair curve instead of a sharp angle between the bulkhead and the hull. If you use foam as drawn above it can minimize the epoxy for the fillet, if not eliminate it. The fillet doesn't add much strength. The biax roving does.
Living aboard in Victoria Harbour