Dumapan Panels for shower stall

Discussion in 'Shower & bathtub Forum & Blog' started by dvddiva, Nov 25, 2013.

  1. dvddiva

    dvddiva New Member

    Messages:
    18
    Location:
    Ontario
    I am going to put Dumapan panels inside my Maax ( Azure 34" x 42" ) corner stall.
    There will be no tiles anywhere in the bathroom. I simply want to paint the walls.
    Can anyone tell me if a special paint is required for a bathroom. Also there seems to
    be a debate as to what type of drywall should be used in a bathroom. I just had
    someone who is a specialist in design and planning say, never put cement board
    in a bathroom. She reccomends Dens Shield. Where can I buy Dens Shield ?
    Does it take paint well and if so,what type ?
    Anyone have any info. on Dumapan panels ?
    Any help appreciated.
    sls

    http://www.maax.com/en/utilitypages...ductID={A3D0B1D7-0A5A-4274-80EC-380C8C5B18C9}
    Last edited by a moderator: Nov 26, 2013
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,025
    Location:
    New England
    You may have to wait for someone from Canada to respond...not sure Dumapan Panels are available in the USA...never heard of them, but that isn't definitive!

    Cement board is designed to have tile on it, not for paint. At least in the US, outside of the shower, 'normal' drywall is typically used. If you don't have proper venting, the paint may not hold up well on any surface, regardless of the material, but inside of a shower is a totally different issue, as there is liquid water and pressure you do not want in the walls. Densshield has fiberglass exterior and can be painted or tiled. It will work, but there will be some texture.

    A semigloss or gloss paint is more robust if you have condensation in the bathroom, but again, good ventilation is important.
  3. johnfrwhipple

    johnfrwhipple Bathroom Design & Build - North Vancouver, B.C.

    Messages:
    4,177
    Location:
    North Vancouver, BC
    Not me - I would not be installing any of these panels in a project of mine. Looks to easy but for me it looks like to many places for moisture to hide between the joints. I also would be worried about how the bottom looks - if left open the edge will be unfinished - if a lap molding is used then I think it will hold moisture.

    These panels better served I think for a mud room or garage and not the shower or bath area - regardless of what the manufacture says is OK...
  4. dvddiva

    dvddiva New Member

    Messages:
    18
    Location:
    Ontario
    These panels join together via a snap and click method. There is NO gap
    between the panels. They will be resting inside the floor pan and will be sealed
    with a latex or silicone based solution. These panels are used in car washes because
    they are 99 % waterproof and they are very easily cleaned. I just wanted to know
    if anyone has any experience with them in a real life bathroom setting.
    Thanks Jadnashua, I thought ALL the walls in a bathroom had to be something
    special like green board or Dens Shield .
    The only venting in this bathroom is a window.
    Thanks for any help.
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,025
    Location:
    New England
    Code in the US for venting is either an operable window or a vent fan and since most people don't want to open the window in the winter, a vent fan is better. Code only requires a moisture resistant wallboard in the shower in the US, and most places only use regular drywall outside of it. You can use it outside of the shower, but it is not required. FWIW, while greenboard used to be allowed in wet areas (like a shower), it never really was a good idea, and it is no longer approved for use in a wet area, and for practical purposes, generic greenboard is pretty useless. Some of the moisture resistant panels now available are pretty good. With proper venting, a good semigloss or gloss paint in the bathroom is pretty durable over plain drywall. If your shower area could spray outside, and the walls regularly got wet, you'd want to reconsider how you built things and maybe treat that as a wet area, but with a good shower curtain or door, and decent ventilation, outside of the shower isn't a big deal.
  6. dvddiva

    dvddiva New Member

    Messages:
    18
    Location:
    Ontario
    Thanks Jadnashua,
    The shower I am going to install is 34" by 42". Only 2 walls have to have dens shield.The other 2 are glass.
    There is no external venting except a small window which is inside the shower. The room is only 7'x 6'.
    I removed the wall farthest from the current bathtub shower area and there was no mold no mildew etc.
    It was pristine clean. What type of screws should be used for the DensShield inside the shower.Are there
    different screws that can be used outside the shower area ?
    Thanks for any help.
    dvddiva
  7. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Messages:
    22,025
    Location:
    New England
    http://www.buildgp.com/bpsearch.aspx?q=densshield screws Look at the installation or technical guide. Basically, they want rust-resistant screws. If that isn't enough info, you should probably call them to clarify what's required. Since it's a small room, you might want to use the moisture resistant fasteners everywhere, but you should only really need them in the shower. You will need a good primer and paint on the walls outside the shower. I'd consider putting in a vent fan, as things can get pretty damp if you don't want to or can't open the window to help dry things out. There are through-the-wall fans, and ceiling fans (Panasonic makes some really nice, quiet units) you could use.
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