Tami Posted May 15, 2010 Report Share Posted May 15, 2010 Suggestions anyone? I made a bird bath with a large slab. I Used a large mixing bowl as a mold shape and undulated the rim for a flowery kind of effect. I have been drying it slowly but last night I noticed several hairline cracks in the rim. I suspect the cracks will get bigger when I bisk fire. Any suggestions on how to fix them at this stage? Tami Link to comment Share on other sites More sharing options...
AndyL Posted May 15, 2010 Report Share Posted May 15, 2010 Try a 50/50 mix of sodium silicate and your clay body in the cracks. If it was me I'd just make another. Link to comment Share on other sites More sharing options...
AndyL Posted May 16, 2010 Report Share Posted May 16, 2010 Tami, Out of curiousity are you building these birdbaths as a single unit or sectionally you assemble after their glaze fire?? If you do them sectionally if a unit misfires you could remake that part easier then a complete birdbath. Link to comment Share on other sites More sharing options...
Tami Posted May 16, 2010 Author Report Share Posted May 16, 2010 Tami, Out of curiousity are you building these birdbaths as a single unit or sectionally you assemble after their glaze fire?? If you do them sectionally if a unit misfires you could remake that part easier then a complete birdbath. I have made made them both ways depending on height. I am limited by the size of my kiln. The piece with the cracks is all one piece. I could start over but I am very please with the shape of this one and would rather try to see if I can fix the problem. I will try the 50/50 mix and see if that works. If not then back to the drawing board. Thanks for the input, Tami Link to comment Share on other sites More sharing options...
Katrien Posted May 27, 2010 Report Share Posted May 27, 2010 I have used clear white vinegar (not wine vinegar) on cracks and works a treat! Link to comment Share on other sites More sharing options...
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