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Mossyrock

Member Since 22 Aug 2010
Offline Last Active Jan 29 2017 03:22 PM
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Topics I've Started

Measuring For Clay Shrinkage/grout Lines On A Fireplace Surround

28 January 2017 - 12:16 AM

I am creating a scenic tile surround for my fireplace.  The clay has a shrinkage rate of 9%.  Do I take the measurements of the fireplace and add 9% then build the surround on that scale?  What about space for the grout lines?  The tiles won't be square....they'll be cut to work with the design of the scene (hopefully).  This is the first time I've taken on a project this large and involved.  I want to make sure my measurements are correct so it all fits properly.  Thanks for any help and advice.  


Transferring A Drawing To A Clay Slab

28 January 2017 - 12:10 AM

I would like to transfer a drawing onto a moist clay slab.  I have tried copying it on my printer then putting the print-side down & ribbing the back, but it doesn't transfer.  Is there a certain type pen or marker I could use to trace the drawing onto paper (what kind?) that would then transfer to the slab?  I've tried several types that I have around the house, but nothing works.  I thought a dry erase marker on wax paper might work but it didn't.  Thanks for any ideas.  The transfer is for guidelines for carving so it's OK if they fire out.


Terra Sig Not Buffing Shiny

09 November 2016 - 11:15 PM

I'm asking this for a friend who is not on the computer.  She makes her own terra sig out of Red Art and her pottery is made using Highwater Clay's Stans Red clay.  The sig buffs up beautifully if applied straight to the Stans Red on bone dry pieces.  She recently started covering her leather hard pieces with a white slip (pieces are majolica decorated), then, after bisquing, glazes with her regular base glaze before applying the majolica colors.  

 

In her last session of making pieces, she wanted the bases of her mugs and vases to have a black terra sig instead of the red sig so she added black stain to it.  It was applied on the bottoms of bone dry pieces that also had had slip applied.  The color came out a beautiful black, but no matter how many layers, or how hard or long it was buffed, it would not form a sheen.  On the final fired pieces the black terra sig is a very matt black.  Is this because it is being applied over slip?  Aside from adding the black stain, the addition of the slip is the only difference.