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Re: RE: Tank Lids An answer and a couple of questions for old timers.
When I was using clear plastic sheets for tank lids I used to glue a narrow strip (about 1/2") across the lid near one edge, cut a little shorter that the span of the tank, so it did not prevent the lid from seating properly. I used the special solvent/glue sold by the plastics folks for that purpose. You need to be careful to use it outdoors or in a very well ventilated area. Anyway, that reduced the tendency to bow. However, in the end, I went back to glass.
At 11:41 AM 9/1/01 -0500, you wrote:
>Regarding ceiling tile lids.
>This may be way out in "left field," but I have to ask anyway. Would it be possible to spray the underside of the lids with a polyurathane to seal it off from moisture? That would prevent the material from absorbing the moisture that causes warping.
>Also, could one attach a non-plastic brace across the top, such as a short piece of aluminum "L" stock> That would hold the weight of the plastic and prvent it from bowing.
>Just a few ideas.
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Barry J. Cooper, Prof., Dept. Biomedical Sciences, Cornell University
Current address: 27505 Riggs Hill Rd.
Sweet Home, OR 97386 (bjc3 at cornell_edu)
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