I searched for this and was surprised I didn't find much.

I have an old canvas wall tent that needs to be treated. I used Canvak years ago but it has gotten pricey AND hard to find.
Have heard of people using Thompson's and Olympic Water Seal.

What do you use?

Thanks,
dt

"Socialism produces bad music, bad art, social stagnation and really unhappy people", “I am a conservative, and you may not like that, but I am.” Frank Zappa 1986