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What size grout joint for "brick" herringbone floor?

4 years ago

I'm using MSI Capella Red Brick Matte Porcelain in my small mudroom. The tile designer didn't specifiy a grout joint size and just said "use wider grout to look like real brick" on the design instructions. The MSI directions suggest 3/8 inch for a real brick look. The tile has been set but not grouted. I think it looks like 1/8 inch not a wider grout joint for the real brick look. Should I be worried?

https://cdn.msisurfaces.com/files/flyers/capella-brick-porcelain-flyer.pdf




Comments (16)

  • 4 years ago

    No. That tile looks like real brick. Great choice.

  • 4 years ago

    Thank you! I weeded out the fake looking pieces. 😊
    Just trying to get to the bottom of the grout joint size.

  • 4 years ago

    You would need at least 1/4”-1/2” to look like a real mortar set brick. Ain’t nobody gonna redo all of that to make that happen. Unless youre paying for it.

  • 4 years ago

    It’s part of a large scale full house remodel and addition. They didn’t follow the directions, so they’ll have to redo it on my builder’s dime per the directions.

  • 4 years ago
    last modified: 4 years ago

    Nope. They won’t. Scope of Work Directions are ”use 1/4” grout joints with Custom Natural Gray sanded grout. ” With measured diagrams. It’s not some wishy washy unwritten spec to use ”large” grout lines. That’s not how written specs work. If it isn’t in writing, with dimensions and diagrams, it does not happen. It’s up to the installers experienced judgement.


    What you have is actually more difficult. And its fine. You're not ever gonna fool anyone into thinking those are real bricks, no matter how they are set. They are the wrong proportions, too level and clean, with no mold and moss.

  • PRO
    4 years ago

    The grout joint looks less that 3/8". The tile itself may look like brick, but the grout joint will not resemble a real brick installation.

  • 4 years ago

    I’m not trying to fool anyone. No reason to be snarky. Enjoy your day.

  • 4 years ago

    Actually the MSI page you posted recommends 1/8" for all tile installations under "Installation".

    It says "When installed with 3/8" . . . resembles a real brick pattern" under "Features at a Glance"

    Actually most old brick floors here are set more like yours in old basements and such.

  • PRO
    4 years ago

    Is Laura H the same as Laura H-H ??

    Laura H-H thanked Mark Bischak, Architect
  • 4 years ago

    MSI recommends 1/8" for all installations, but it suggests 3/8" to 1/2" for this particular tile. MSI could word their information sheet a bit better, I guess! :-) Vague design directions from the tile vendor and miscommunication/language barrier between the builder and tile people probably resulted in the 1/8" grout joints. If I'm going to be stuck with this tile as is, I'm grateful it wasn't the primary bathroom. I've made sure the tile people have very clear directions for the remaining tiled areas. Thanks again!

  • 4 years ago

    Are the tiles perfectly square on the edges? I ask because the ones we are using aren't and the grout lines sort of thicken up when they grouted it.


    I don't know if you can tell but the top isn't grouted but the bottom is



  • 4 years ago

    Your tile is beautiful! :-)

    They're pretty square on the edges. I wanted real thinset brick, but my builder's vendor didn't carry it. This was the closest to what I wanted, and I do like it a lot!

  • 4 years ago

    What do people think the size of the grout joint is in this tile?

  • 4 years ago

    (not a pro) I think your floor looks really good! Personally, I think having less grout to clean is a benefit, especially in a mudroom.

  • 4 years ago

    Thank you! I’m sure it’ll look great grouted as is. I’m optimistic!