MosaicBlues: How to build a cement board platform to mount your mosaics. .entry-content { font-size:25px !important; }

Saturday, November 4, 2017

How to build a cement board platform to mount your mosaics.


Many mosaics are mounted on plywood, a material easily cut and shaped. However wood can warp and deteriorate with humidity; which is why I mount most of pieces on cement backing boards reinforced by a wooden frame in the manner of the framed canvas used by painters.

This technique, which I describe below, allows for lightweight and resistant boards.

Material needed : 


hardie backer cement boards
Hardiebacker boards
1/2 inch yellow pine wood boards
1/2" pine boads







self threading flat head screw
self threading screw



exterior wood glue
Exterior wood glue



Tools needed : 
  • Measuring tape
  • Straight edge board or ruler
  • Pencil 
  • Miter or hand saw 
  • Circular saw with diamond blade 
  • Cordless electric screwdriver

    Measuring tape

carpenter pencils

Circular saw
      Cordless screwdriver

      Miter Saw

         










        Once you have measured your mosaic, create a support 1/4" bigger in each dimension. If your mosaic measures 20 x 30 inch, your board should be 20.25 x 30.25 inch. 

        Cut your wood boards to fit these dimensions. 

        If you are using 1 x 2 inch boards, which actually measure 0.75 x 1.5 inch (Welcome to America), you will cut 2 boards at 20.25 inch and 2 boards at 27.25 inch (30.25 - 2 x 1.5 = 27.25). You will adjust based on the actual dimensions...

        If your mosaic is bigger than 3 square foot, I recommend to use additional boards as I did on this frame. 

        Once all your cuts are made, assemble the wood and cement board with wood glue and screws, let the glue set, et voila ! 

        The whole process is described in the video.









        Notes : 

        Cement board : 1/4" Hardiebacdker is the best board I could easily find in the US. In Europe, I use Wedi Boards a much better product, just as strong and much lighter. But it is more expensive and difficult to procure in the US.

        Cutting the cement board : If you do not have a circular saw, you can use a scorer to mark and snap the Hardie board. This is the method recommended by the manufacturer. However, I prefer the clean cut made by the saw.

        Wood boards : I use 1 x 2" yellow pine for most of my mosaics. I have used heavier lumber for bigger mosaics (1 x 3 or 1 x 4. If your mosaic is installed outdoor, you should use treated lumber.

        Wood Glue : it is important to not just use screws. The wood glue creates a very strong bond between concrete and wood, which is what we are trying to achieve.

        Questions ? Contact me at frederic.lecut@mosaicblues.com



        I am a French mosaicist
        living in Headland, Alabama, USA.
        My Art is about inspiring people.
        You can see some of my work 
        at www.mosaicblues.com 




        You can contact me either by phone 
        at (334) 798 1639 or by email at
         frederic.lecut@mosaicblues.com 

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