Yesterday, I successfully removed the starboard salon deadlight (both were leaking). The attached photo shows the two deadlights on the left side. I got the Plexiglas cleaned up ready for re-installation and tomorrow I will prep the fiberglass recess and install it. The Plexiglas has six holes drilled in it - three on the forward edge and three on the aft edge - but there were no screws in those holes. I suspect that these panels have been removed and re-bedded before because the fiberglass recess has scratches and score marks that progably resulted from a previous cleaning.
My question is this - did the factory use screws only to hold the Plexiglas in place while the sealant cured or did the boat come from the factory with screws in place? If the screws are just to hold it in place until the sealant cures, what is the best practice for sealing the holes after the screws are removed?

My question is this - did the factory use screws only to hold the Plexiglas in place while the sealant cured or did the boat come from the factory with screws in place? If the screws are just to hold it in place until the sealant cures, what is the best practice for sealing the holes after the screws are removed?
