Technical Help with a chopped windshield template

Hi guys. I have been working on my chopped 49 Ford for a few years now. I have done all the work myself so far. I need some ideas on making the front window gl*** for it. I plan to use factory rubber with just the chrome center strip. I have never done gl*** before and I am not sure how to start my template for the gl***. I live up North in Canada and there are not a lot of gl*** shops around that will do the whole install. How do I go about making the front window templates so I can give them to a gl*** guy to cut gl***? Any insight would be appreciated.

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Do you have any bits of the old rubber? I would put some of that in and see where the gl*** sits in relation to the steel pinchweld. Then maybe you can start your template.

 

The way I do it is I first lay some plywood over the windshield opening and trim it a tad wider than the opening (I don't remember if the gl*** on these cars sit on top of the lip or in between) , if you have at least one side of the original windshield you can use it to help you draw the lower part of the gl***, this helps to lay the plywood on the opening. I make just one side, since both should be the same. Mount it with a cut down gasket, trim if necessary. If you don't want to use the center rubber strip, make sure that both gl*** won't rub (maybe 1/4"gap) and the template should be a little wider than the original gl***.

 

There are probably various was to go about it. I've done it by setting pieces of cardboard into the window opening and tracing all around the pinch welds from inside. Transfer them to pieces of wood paneling and cut the paneling about an inch and a half or two inches inside the traced lines. Then cut those vertically and horizontally, making them into four pieces. Install the rubber seal and insert the panel pieces into the seal, spreading them out to the inside of the window channel top and bottom and toward the center. Using duct tape on the inside and outside, tape them back into a single piece. Remove them from the seal and trace them onto another piece of paneling and use those for your templates. The duct tape will allow you to shift the pieces together so they can be removed from the seal, then simply spread them back out to trace them onto a single piece of paneling. Hope this makes sense.