He is currently using Breathing Color's "Lyve Canvas" for printing, and actually perfected the method of putting on their "Timeless Varnish" on the canvas. He followed their initial instructions, but found he was getting flaking (the ink actually coming off the print because too much varnish was applied). Instead he found you need much less varnish, applied rather quickly, in different directions. The first layer has quite a bit of pressure applied, with subsequent layers applied with less and less pressure in different directions.
Breathing Color will be putting out a new type of canvas coming to Canada in November called "Crystalline Canvas", and it will not require a coat of varnish. It will be available at Amplis Photo. You can buy a trial roll, and if you like it, you buy any size in a quantity of three or more, and there is a significant price break.
I must admit putting on the varnish is a bit of a pain. You can do maybe 3 or 4 prints at a time, and your environment and everything needs to be clean and dust free as possible. Use your Rocket Blower to clean up your surfaces!
I have tried applying the varnish, and don't think I applied enough pressure. I only did some test prints as I knew it would be a bit of a learning curve. I think the next batch will be much better. Also I use Hahnemuhle Stick and Stretch System. Pretty easy to use, and much cheaper than having your canvas stretched. It produces a professional looking image.
Also you can use Photoshop to do mirror images of the edges for the canvas wrap. I found an online Photoshop action, only 35 dollars. The program Perfect Resize will do the same thing, but it will cost you a lot more.
Anyways in summary, check out Martin Bailey's website and podcast. You won't be disappointed.