[Guy]

Will,
Take a look at Steele Products 7/16 x 7/16 channelIdeal for mid-1[size=1]Ideal for mid-1970's GMC motorhome sliding glass windows. Replaces originals that were rubber-coated mesh metal.GMC motorhome sliding glass windows. Replaces originals that were rubber-coated mesh metal[/size]
70-0752-256

https://www.steelerubber.com/run-channel-70-0752-256

Good luck.

 Ideal for mid-1970's GMC motorhome sliding glass windows. Replaces originals that were rubber-coated mesh metal


Ideal for mid-1970's GMC motorhome sliding glass windows. Replaces originals that were rubber-coated mesh metal