2" sounds good for bands, I'd use a pressure strip on top of bow and something down the center of bow (some guys use a piece of house wiring) because the bands pull mostly on bow edges and that can leave the limb center fat.
Disclaimer :
This is stuff guys have told me, I've built one bow with bands and some of them broke in the hot box. Air hose from there on...
Kenny's advice, while not first hand, is correct.
You need to avoid thick lams on the belly. Rubber bands can be problematic in getting those lams to lay down.
In reading the original post it's not clear exactly what form of bands you plan to use. Experience has shown myself that the best bands are cut from bicycle tubes by cutting 1/2" wide strips from around the circumference of the tube. That way you have long strips to work with. Cut lots of them and load them on. Lots of them.
Initially use a clamp to hold riser and lams down on center of the form. Not a lot of pressure. Just enough to prevent slippage. Then apply the bands alternately from each end. You can lose the clamp towards the end.
But, once you have set your form up for rubber bands using pins of steel about 3/8" you can go to the topless air hose system. It's much simpler and pressure is easily controlled. No rubber bands to cut and no special pressure stips needed.