Reddiseals do the timber beads too. I get all my stuff from Reddiseals. They give better service and more discount than Mighton. I wanted a load of gear and Mighton wouldn't budge on the price. No discount, just the same price as what's in the book
If you are making oak windows why not just make the parting bead in oak and use up some of the off cuts. If you use these http://www.reddiseals.com/acatalog/weat ... esive.html you can rout a small groove to take them in your oak parting beads and the window will look much better. Can do the same for the staff beads as well.