storing vinyl, reducing damage over many years

Hi -

I bought 3 of these that I have stacked successfully one on top of each other and filled with albums:

http://shop.mapleshadestore.com/prodinfo.asp?number=RR-OAK-UN

(I didn't buy it directly there, I bought it on ETSY, but the etsy link no longer appears valid, so I am referencing this web link).

I was basically happy with everything, I did the assembly, everything is solid.

My question: will the lack of any support in the middle area of the albums, over many years, cause damage to the albums? I went through and find a certain percent of my albums were drooping down through damaged covers, so for now I have removed these. I don't know, some might say this is paranoid, but if they sit there for 10-20-30 years and ultimately some of them over time are damaged, it would bother me, so I figured I'd ask the question now.