Yes, all the plastic hive parts (except one or two bottoms and one top) that
i have (and have seen) are warped. Inner covers the worst, then boxes. Tops
and bottoms the least warping.

Karen

> -----Original Message-----
> From: Bob Harrison

> Walter Kelley asked my opinion of his hard plastic beeware years
> ago. I said
> I would be afraid they would warp over time (yes I bought a few to try!).
> Took longer than I thought but the tops and bottoms did all warp after a
> long time.   Would the poly hive last a 100 years as Murray suggested
> without warping? I do not know but have to wonder. Walter kelley's plastic
> tops and bottoms were very ridged but still warped. Did others on the list
> have the same experience as I did with the Kelley plastic equipment?