• 140gms glue per square metre (1/2 oz. of glue per square foot) is the minimum. The chip will be spotty or absent entirely.
• 425gms glue per square metre (1 1/2 oz. of glue per square foot) gives the best results ¡V a uniform chipping usually in a fern pattern.
• 570gms glue per square metre (2 oz. of glue per square foot) this gives a larger more iceberg-looking chip.
• 850gms glue per square metre (3 oz. of glue per square foot) is wasteful and usually the glue is so thick the glass won't chip at all.

Experiment with these amounts to see what you get. Keep good notes of all the variables involved, so you will be able to repeat a pattern if you need to.

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