...from the batch number? G'day all, I'm planning some renovations in my shed, taking down an old partition wall which has some hardiflex boards on it. The wall pre-dates our ownership of the property so I can't say for sure how old the boards are so I can't say if they have asbestos in or not. They are marked with batch numbers which I've emailed James Hardie's with but I've had no reply - I can't seem to get them to answer the phone either . The last part of each batch number looks...

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