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Welcome to the Bunnings Workshop community @GurpreetSingh. It's wonderful to have you join us, and many thanks for your question about structural flooring.
Is the flooring currently exposed, or has the dwelling been enclosed?
Whether the flooring is salvageable will depend on the extent of the damage. Our Structaflor can be exposed to the weather for up to five months. However, it is always advisable to enclose the building as soon as possible after laying the floor.
Minor swelling can be removed by sanding. The removed material depth can not exceed 1mm over the general panel area and 2mm within 50mm of any supported edge. If rectifying the swelling requires further removal of timber, this could compromise the board's integrity and its ability to comply with building codes.
I'd encourage you to enlist the services of a licensed builder to assess the situation and resolve the issue before continuing the build. If the flooring is found to not comply with code at a later date, it could incur substantial costs to have the issue remedied.
Please let me know if you have any questions.
Mitchell
Hi @GurpreetSingh,
It really depends on why the private inspector recommended replacement. Perhaps he identified that the structural integrity of the boards had been compromised.
Laying another board on top might be an option best discussed with your builder. It sounds like the simplest option, but adding 16mm to your floor height could cause difficulties further into the build.
If the flooring you're using is our Structaflor, then they are happy for you to send them a sample for testing. The testing won't identify whether the flooring still complies with code, but if you were to employ the services of an engineer, they'd be able to determine whether the flooring is still structurally sound.
Mitchell
Hi @GurpreetSingh I found your old post. I am in the same situation. Yellowtounge flooring of my build has been exposed to melbourne weather for last 7-8 months and still no roof. Can I check what was finally done for your yellowtounge. Thanks
Hi @MitchellMc or Bunnings Team or other experts, looking for some advice from you too. See a photo of my flooring. Not sure if sanding can fix that. This also looks like mould. Any bit of advice from you would be great help. Thanks.
Welcome to the Bunnings Workshop community @Rond. It's brilliant to have you join us, and many thanks for your question about flooring.
My advice would be the same as I provided above; you need to have the flooring assessed. Unfortunately, we are not able to provide the best advice purely from a photo. You'll need to have a professional assess the flooring and determine whether it is salvageable by sanding it back.
If you are able to verify whether it is our Structaflor, you can contact them directly and arrange for a sample to be sent to them for analysis. Be aware that their warranty extends to the five-month period for exposure; any longer could lead to issues down the line.
Given the significant cost of resolving this issue later after the flooring has been installed, I would speak with your builder and consider engaging a private certifier to give their opinion on the issue.
Please let me know if you have any questions.
Mitchell
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