I really don't like Surforms. In soft wood they just seem to tear things up. It has been a long time since I used one because I was so un-impressed. Maybe it was just the wood I was working at the time.

> Matt, you can buy curved sureform files that will get you close before
> sanding (ie eliminate the major step-offs). They are cheap (under $7 US)
> and save some of the sanding time. I've only done strip canoes and would
> wonder if the result after sureform filing might be sufficient to go ahead
> and glass the inside of your kayak?? Clearly isnt smooth enough for the
> highly visible interior of a canoe, but in a kayak interior we're mainly
> talking function.