Another way to do this fix is to: Remove vinyl insert and throw it away. Its fast cure rate makes it ideal for cold weather applications. You might be successful and might not. It is an industrial-strength polymer perfect for maintaining chemically stressed areas such as pipes and tanks. Once it's flat this can take a lot of massaging, hey, I warned you , put a piece of cling wrap or wax paper over it and put a weight on it until dry.
Construction Systems Supply - Epoxy and Coating Supplier
Both manufacturers have been very responsive to technical questions. If you clean aluminum properly and use this primer, you can paint the frame with matching trim paint and it will hold up at least as well as a new window. A liquid you mix and squirt or inject into wood, it chemically converts wood cellulose into an epoxy-like material. Building better RVs is not a suggestion, it's already being done. Drying the inside out was an enormous problem.
sealing cinder block pond
Siding and roof sheeting raw edges are simply butted together and fastened to the frame usually just with staples. Crystal Lok waterproofs structural concrete when applied to either the inside or outside, wet or dry, new or aged concrete. I'm curious if this would work the same for cinder blocks the op was going to use or it has to be a solid concrete wall? Simple emergencies —broken window, tear in skin or roof, cracked vent cover, etc. I'm not a chemist, in fact from the outset I disavowed any personal grasp of chemistry. I had one rear room, with minimal heat, and the walls always felt cool and damp. Thanks for the kind words, Sonnie.
Some people have had good luck with removing the inside frame and covering its inner surfaces with glued-on or sprayed-on vinyl or foam. Similarly, apply a thin bead of caulk along the top and bottom of the long horizontal strip. Eventually, they get sprung out of shape and don't operate well. There are no other warranties that extend beyond this warranty. It's easier when two people do it and you should have someone down below to make sure wires and such don't get hung up. If so, throw them away also. Epoxy mortar system and bonding agent for new or old concrete surfaces.