Larry, BID refers to BiDirectional weave. As opposed to UniDirectional weave. When you look at the cloth, it will appear that the weave runs on the diagonal. I don't think that this refers to fiberglass tapes.
We use the Rutan glass as in the LongEZ, however, it may be a little heavy, it is easy to work with. See N64KR at http://KR-Builder.org - Then click on the pics Daniel R. Heath - Columbia, SC da...@kr-builder.org See you in Mt. Vernon - 2004 - KR Gathering See our EAA Chapter 242 at http://EAA242.org