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Elite Veteran
Posts: 1102
 
Location: Hayward, Calif | Hey Guys, Having a little problem getting a glassman to come and install glass. I could put the glass back in myself but don't have the expertise of making sure it is sealed and won't leak. Any pointers or heads up ? Have any of you guys out there done this yourself ? It's not rocket science ! But would be helpfull to have some knowledge beforehand, instead of guessing. Thanks, Jerry |
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Expert 5K+
Posts: 9697
   
Location: So. Cal | Getting people who are capable and willing to work on old cars is becoming more and more difficult. I would like to know too, especially when I have to use the 2-piece seals that are available. What I do know is that you should use some polyurethane sealer in the joint at the metal and at the glass. You can get a good quality sealer from a marine supply store. If you do this, you shouldn't have any leaks. This same sealer is used to glue the two seals together at the joint, but I'm not sure how well it actually works for that. |
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Elite Veteran
Posts: 1102
Location: Hayward, Calif | Thanks Nathan, I'l check around and see if I can find that. John at Big M also told me about some stuff called 'Windshield bedding compound' . Come in a tube and doesn't dry out. The front seal is older replacement in good condition, but all I could get for the back glass is an aftermarket and I will have to seal the two ends together. Will let you know how it turns out as I have less than 3 weeks to get this car done and roadworthy. The wife has been gnawing on my backside to have this car ready for her! Jerry |
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Expert 5K+
Posts: 8947
Location: WHEELING,WV.>>>HOME OF WWVA | is that bedding compound a glue type sealant . if it is , if you'd ever need to remove the glass again , wouldn't it need to be cut from a damaged glass . this stuff below is what i used on my heater
box and wouldn't hesitate to use it as a glass sealer . it's been on my heater for way over a year now and is still pliable and seals great . the main reason i'd use it for glass to rubber is once you get it in
hand it looks very much like the "factory sealer" , at least on my dart . i would just put this bead sealer all the way into the channel , then the glass with a little pressure to spread out the sealer
in the channel . it's pretty easy stuff to work with and no mess -----------------------------------------------later
http://www.ebay.com/itm/1964-1972-A-Body-Heater-Box-Sealant-Caulk-/... |
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Elite Veteran
Posts: 1102
Location: Hayward, Calif | Hey Chuck, Glad to see ya get on board with this stuff. Oreilly's & Summet sells this 'windsheild bedding compound. O'Riellys didn't have any so I ordered it from Summit. $12 + for a 10 oz tube, PN 8509 made by MMM That sealant you have would also be a good sealant from what I saw on that web site. I just spent about an hour on the computer gathering info. I googled 'crlaurence' and got a lot of info. Very little on bedding compound, other than it is a sealant. Lot of info on polyurethanes. That stuff is brutal. It is a permanent adhesive, with sealing properties. Once you put this stuff between 2 surfaces, it is not coming apart without destroying something and cannot be used with plastic anything. They also covered silicone. They explained it as a gasket material with weak adhesion properties. If you guys have a little time, check it out. It is quite an eye opener. Jerry |
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Extreme Veteran
Posts: 537
Location: Upstate NY | Anybody use butyl? We use it to seal bus windows everyday. Will stay pliable like soft rubber but won't leak if prepped properly. |
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Elite Veteran
Posts: 1102
Location: Hayward, Calif | Whats butyl ? Who manufactures it and where can we find it ? Any other info about this stuff ? Jerry |
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Extreme Veteran
Posts: 537
Location: Upstate NY | Anybody use butyl? We use it to seal bus windows everyday. Will stay pliable like soft rubber but won't leak if prepped properly. |
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Expert
Posts: 2003
Location: Branson, MO | I think butyl is a type of rubber that is softer than normal. I used butyl rubber tires for drag racing in the '60s and they grabbed extremely well. They were "cheater slicks" back thern and were legal in stock classes. I have no idea what it would do for windshield sealer though.
Edited by Viper Guy 2017-05-01 9:48 PM
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Extreme Veteran
Posts: 537
Location: Upstate NY | Butyl caulking is a product we put around the edges of the rubber gasket to seal both the gasket and the glass but as I said like many products it must be prepped so the glass, metal and rubber are clean and dry. It works very well but I am sure there are many products out there that work equally well. I will try to get a name and part number if anyone is interested. |
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Expert
Posts: 3780
Location: NorCal |
Success of a DIY glass install depends on whether it's new glass/gasket or used. Old rubber usually isn't as pliable as new and old glass can be brittle. For rubber gaskets I always use the old "rope trick", works for me.
https://www.youtube.com/watch?v=QvcJ_lU_VpQ |
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Elite Veteran
Posts: 1102
Location: Hayward, Calif | I watched the video and found it informative. It would've been more informative had they done it with a curved glass with use of a sealant. That rope trick looks great when not using any sealant. I'm a bit uncomfortable using an older windshield seal without a sealant. A leaking windshield with a new padded dash and all new upholstery is a situation I would prefer to avoid ! Thanks for the info. Any other tips out there when using a sealant ?? Jerry |
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Windshield/ rear glass installation
