Sven
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Ok, so after caulking the porthole with butyl it still leaked, but that was probably novice timidness with the butyl. With the butyl it will be easy enough to undo it next weekend and with the jig everything will still be held in place as we apply a manly amount of butyl to convince all water to stay on the outside.
I made the jig out of 3/4" plywood scraps that I doubled and just screwed together. Some all-thread with some nuts and washers held the jig together as a clamp.
We put the jig in place with the trim ring in place so the inside porthole part will be held in place throughout as we applied the butyl on the outside.
With 7 portholes the jig will be well worth the time it took to make it. Nancy got really tired trying to hold the first porthole in place from the inside while I did the caulking from the outside. With the jig she doesn't need to strain previously undiscovered muscles trying to hold everything in place as I push the butyl in place.
-Sven
I made the jig out of 3/4" plywood scraps that I doubled and just screwed together. Some all-thread with some nuts and washers held the jig together as a clamp.
We put the jig in place with the trim ring in place so the inside porthole part will be held in place throughout as we applied the butyl on the outside.
With 7 portholes the jig will be well worth the time it took to make it. Nancy got really tired trying to hold the first porthole in place from the inside while I did the caulking from the outside. With the jig she doesn't need to strain previously undiscovered muscles trying to hold everything in place as I push the butyl in place.
-Sven