Re: Glassing new bilge area
Probably need to post some pix of the area you're talking about, or at least some details about your boat. I'm having a hard time visualizing what you're talking about....
If I understand what you're describing, the stringers at the bilge are not in direct contact with the hull. They are slightly raised off of it. That's how it should be. If the wood was in direct contact with the hull, it could create a hard edge that would likely produce cracks in the hull. Bedding the stringer in PB or PL spreads that load out across the hull, and helps to create the fillet you'll want to create to roll your fiberglass & poly resin across the hull & up onto the sides of your stringers. The factory did this by using heavy weight roving glass soaked in resin, and laid up against the outer surfaces of the stringer....
You need to address where there may be water below deck needing drainage access to the bilge. And make sure you give that water sufficient access into the bilge. Some boats have a central stringer (mine) and outlying stringers (mine, for a total of 3). Some only have 2, 1 on each side between the keel & the chine. Mine 'should' have 4 holes leading into the bilge: 1 between the chine & the 1st outlying stringer on each side (2 holes), and another on each side between the outlying & centered stringer (2 more, for a total of 4 drainage holes)....... A 2 stringer boat 'should' have 3: 1 central hole @ the line of the keel, and 1 on each side between the outlying stringer & the chine, for a total of 3 drainage holes.
Depends on how your boat was put together & how many areas need drainage access....
Hope that ^^^ helps