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Thread: glass-fiber reinforced polyester (GRP) trench drains?

  1. #1
    Join Date
    Nov 2016
    Location
    Northern California, USA
    Posts
    19

    glass-fiber reinforced polyester (GRP) trench drains?

    Looking for opinions on trench drains made from "glass-fiber reinforced polyester (GRP) pressed from sheet molding compound (SMC), which is a composite of polyester resin, mineral fillers and glass-fiber mats". Specifically, I have been directed toward a product MEA-JOSAM, 4" Pro-Plus 100 (CPS100). http://trenchdrainsupply.com/kit_pro_plus_100.asp I've also been told that the Glass Filled Nylon slotted grate will handle a pallet jack no worres.

    I've heard opinions on both vinylester concrete, and HDPE. The former being excellent, but very pricey, with great chemical resistance, but a max temp rating of 180 degrees. HDPE should generally be steered clear off in a brewery I'm told.

    Any thoughts appreciated.

    Cheers,
    Tom

  2. #2
    Join Date
    Apr 2015
    Location
    Fremont, OH USA
    Posts
    8
    Quote Originally Posted by OwlBat View Post
    Looking for opinions on trench drains made from "glass-fiber reinforced polyester (GRP) pressed from sheet molding compound (SMC), which is a composite of polyester resin, mineral fillers and glass-fiber mats". Specifically, I have been directed toward a product MEA-JOSAM, 4" Pro-Plus 100 (CPS100). http://trenchdrainsupply.com/kit_pro_plus_100.asp I've also been told that the Glass Filled Nylon slotted grate will handle a pallet jack no worres.

    I've heard opinions on both vinylester concrete, and HDPE. The former being excellent, but very pricey, with great chemical resistance, but a max temp rating of 180 degrees. HDPE should generally be steered clear off in a brewery I'm told.

    Any thoughts appreciated.

    Cheers,
    Tom
    Hi Tom,
    You've got the right idea. Vinylester and GRP-SMC are good channel materials... HDPE not so much. The Nylon grate is Class C, which is good for the weight of a pallet jack. But most trench drain manufacturers say to use Class D or E grates if you have hardwheeled traffic crossing the drains. I'd double check with your supplier or the manufacturer directly.

    Feel free to call me if you have any questions!
    - Hannah Schroer
    Brewery Consultant @
    TrenchDrainSystems.com
    610-638-1221 x104

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