Flooring manufactured from 1/2" thick...

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Author Message Michael Chusid Senior Member Username: michael_chusid Post Number: 27 Registered: 10-2003 Posted on Saturday, May 02, 2015 - 12:12 am:    Concreateusa.com has a tongue and groove floor plank made from 1/2" thick concrete. Kind of like fiber-cement board, but different. It has a "polished" concrete surface. It gets installed like a wood floor board, set in a mastic. Planks are nominally 12" wide by 48" long. Is it: - 09 30 36 Concrete Tiling - 09 62 00 Specialty Flooring - 09 60 00 Flooring, and leave it at that, or Should I propose a new section somewhere? Michael Chusid, RA FCSI CCS www.chusid.com www.buildingproduct.guru Nathan Woods, CSI, CCCA, LEED AP Senior Member Username: nwoods Post Number: 648 Registered: 08-2005 Posted on Saturday, May 02, 2015 - 10:30 am:    I like Specialty Flooring. That is certainly how a contractor will think of it. Mark Gilligan SE, Senior Member Username: mark_gilligan Post Number: 726 Registered: 10-2007 Posted on Sunday, May 03, 2015 - 12:07 am:    Wood planking can be fairly tolerant of floor deflections. I would expect the concrete floor planks would not be as tolerant. Michael Chusid, RA FCSI CCS Senior Member Username: michael_chusid Post Number: 32 Registered: 10-2003 Posted on Tuesday, May 12, 2015 - 09:12 pm:    Mark: Can you suggest substrate deflection limits for the product? The planks are 75 inches in length. The adhesive has crumb rubber to allow some shear deformation. Would the limits be similar to large format ceramic tiles? What testing protocol is appropriate? Any thoughts would be appreciated. Michael Chusid, RA FCSI CCS www.chusid.com www.buildingproduct.guru Mark Gilligan SE, Senior Member Username: mark_gilligan Post Number: 728 Registered: 10-2007 Posted on Wednesday, May 13, 2015 - 12:00 pm:    I do not have specific criteria. My tendency would be to treat it the same as a 75" tile if they make such a thing. Can the manufacturer provide you with a project where the product was installed on a similar suspended floor structure?