Originally Posted by Maine Sail
If not through bolted butyl used as a shim the Dow 795 or Sika 295UV (with special primer) used as the "bond". I run butyl around the inside edge and the sealant the outer edge. The butyl makes a perfect shim for the sealant and also acts as a back up seal..
Actually I'm thinking that they're called deadlights? I'm not sure though.
My windows are lexan plastic bolted over cutouts. There aren't any frames or anything, just the lexan