Bronze Ports - Glass Replacement

Old glass in port
Removing the Old Glass
Prepping portlight for new glass
Silicone Caulking for New Glass
Portlight glass is in place
Cleaned and Caulked
Caulking on both sides of glass
Closeup- Cleaned and Caulked
Itty - bitty screws
Small Screws
Getting ready for cleanup
Ready for Screws
Screws caulked and in place
New Screws Going In
Snugging all the screws up evenly
Snugging the Outer Ring
Finsish portlight glass replacement
Finish portlight glass replacement

The two "gotchas" in this project were 1) The odd size screws and 2) the Oval cut glass.

The screws we ended up ordering from I believe McMaster-Carr and the glass ... we found a glass shop that could cut safety glass to match the size.

Removing the screws was a delicate mater. I didn't want to break any. I carefully cleaned up the female threads and reinstalled the ports with ... Silicone sealant. If Silicone holds windows on skyscrapers and glass in Aquariums together, it would seal the ports just fine. To further ensure a good seal I cleaned all the bronze mating surfaces.

After 19 years in service and countless miles under the keel I do see some eroding of the edges on the replacement glass. In the next 5 years I will want to redo this job again.