> On 28 Apr 2015, at 15:59, Mike Hughes <[email protected]> wrote: > > I'm after some of those lightweight "corrugated cardboard" (can't think of > what else to call them) blanking sheets to put in racks to stop hot/cold > aisle "rebreathing".
Corrugated cardboard sounds like a bad idea to me, the fibres might clog CRAC filters, etc. Why not try corrugated plastic? ~Henry
