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  1. #1
    Join Date
    Jun 2004
    Location
    Central Wyoming
    Posts
    230

    Default concrete in stair pans

    I have some concrete steps that I have to remove the old concrete from the existing 1 1/2" deap pans and replace with new. I am thinking of using sakrete due to the fact that I only need .4 yrds. Should I add in more cement to the mix? if so how much.
    Build it Energy Efficient

  2. #2
    Join Date
    Feb 2008
    Location
    Northwest Indiana
    Posts
    5,576

    Default Re: concrete in stair pans

    Quikrete has a 4000 psi mix that may suit your project well without riching it up. (Assuming it is available in your area)

    http://www.quikrete.com/ProductLines/ConcreteMixPro.asp

    Tom
    http://chicagocraftsmen.org/2011/06/261.html

    Check with the AHJ, what we say doesn't matter.

  3. #3
    Join Date
    Jul 2004
    Location
    NOLA
    Posts
    4,101

    Default Re: concrete in stair pans

    THis is a good case where I wold contact the manufacturer and ask their recommendations.
    Quikrete is more than post mix and I expect they have something to fit your needs.

    Bill, not a shill for Quikrete, R

  4. #4
    Join Date
    Jun 2004
    Location
    Greenville,S.C.
    Posts
    377

    Default Re: concrete in stair pans

    I've filled 100's of these stair pans with standard 3000# concrete (spec'd. by the Architects) and have had no problems. One of the most important considerations is the slump. Don't get too much water in the mix to weaken it. More and more I'm not seeing the pan filled steps , but rather the precast treads about 3" thick that sit on clips that are welded onto the stringers and bolted from underneath. The 3" thickness combined with a 7" maximum rise on a commercial project meets the 4" maximum space between the adjacent treads. They have rebar in them. I've never had a problem, but if there is one, just unbolt the bad tread and replace it with a new one.

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