Originally Posted by mesquaukee
Polyester resin works for most repairs or bonding provided there will not a lot of bending or distortion.
If your boat is a newer boat with a thin flexible laminate (woven fabrics and stitched oriented strand fabrics)skin use epoxy. The hull will bend and work, this will put a lot of flexing stress on the joint.
If it is the old fashioned thick over-designed hand laid up or chopper gun sprayed hull use polyester resin. The hull will not bend or work so anything attached to it will not be stressed. Just prepare the surface so it is rough with a lot of glass exposed.
Being that Beausoleil was built in 1979 in Taipei, Taiwan
, I'd suspect that the original tabbing for the bulkheads is all polyester resin. I went ahead and purchase
some to be able to tab in rails/stringers (1x2's) to support new small "shelving" under the cabin sole
(Formosas have, shall we say, deep bilges!), and pads to mount a couple of A/C AC water
pumps - 1/20hp models, so I can't see how the torque could rip those out over time - the screws would fail before the glass/resin would.
But this certainly ended up being an interesting thread - I'll be sure to use epoxy for the heavy duty stuff!