Do be careful storing magazines in lofts. Apart from water tanks which usually have strengthening, in most cases lofts simply aren't designed to take that much weight especially concentrated in a small space. As you are aware, a tall pile of magazines really is very heavy.
Max Bygraves voice: " I'm going to tell you a stooorrreee..." Quite a few years ago, between marriages, I had a fairly intimate woman friend, it was never going to be permanent, but I often stayed the night at the large house she was arguing with her departed husband over while trying to sort out a very expensive divorce. This woman had three children, something like 18, 16 and 8, the oldest two having left home. Woman had never thrown out or passed on a single item of clothing or toys, they were quite wealthy, there was loads of the stuff, and every single item of grown-out-of or discarded clothing etc was stored in the roof space, and there were a hell of a lot of items, must have been something like half a ton. One night I was aware of creaking noises in the space over the ex-marital bed, but thought nothing of it. The next day woman was on the phone in tears, the whole ceiling had collapsed, made a terrible mess and punctured the waterbed, which is a phrase I don't think we've had on TNF before, so mark garyfrogeye's words, that's very sound advice. If that had happened a few hours earlier, gives a whole new meaning to "The earth moving..."