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Question

Fire rated floors charcoal or dark timber colour - what products do you suggest?
Woodsolutions Answer +

The only flooring that's likely to be available in a natural charcoal colour is wenge. You will be able to find images on the net. We don't have details of its fire properties but suppliers of wenge may have this information. The other alternative is to select one of the species that we have tested and stain it a charcoal colour. You will find fire test data in our Regulatory Information Report RIR 21419-05, available for download via this link https://www.woodsolutions.com.au/articles/fire-test-reports.

Wenge

Answered on 27-02-2021
Please note that our answer is based on the best advice available at the time. If the National Construction Code, Australian Standards or local requirements have been subsequently amended, our answer may no longer be correct in all details. For more information, please read our disclaimer.

Question

I have a 2 storey wall of cedar that is north facing and gets a lot of direct sunlight. Many are telling that it needs re-sealing every 12 months. What can I seal the cedar with that will give me longer time between re-coats of the sealer? I'm hoping for 5 years, the wall is 6 meters high and difficult to access,
Woodsolutions Answer +

Your cedar wall won't necessarily need re-sealing every 12 months. Assuming the product you are currently using is a penetrating finish (oil-based type), rather than one that forms a skin over the wood (varnish type), you will find that maintenance intervals are extended as the finish builds up. A lightly pigmented oil-based stain should give you 3-5 years, although it's hard to put a precise figure on it since the life of the finish depends on weather exposure. If you keep an eye on it you will see when it needs re-coating in order to retain a natural looking colour. Our Technical Design Guide no. 13 deals with exterior timber finishes in more detail. You can download a copy free of charge via this link https://www.woodsolutions.com.au/publications, or a hard copy can be purchased from SAI Global here https://infostore.saiglobal.com/store/Portal.aspx?publisher=WOODSOL.

Exterior finish

Answered on 26-02-2021
Please note that our answer is based on the best advice available at the time. If the National Construction Code, Australian Standards or local requirements have been subsequently amended, our answer may no longer be correct in all details. For more information, please read our disclaimer.

Question

I have a hwd CLT floor with a PFC rebated into the edge. Gen surface requires a P3 slip rating which is easily satisfied with an applied PU product (Bona Traffic HD) but not recommended for steel. I have spoken to SIKA but they don’t recommend their epoxy for timber or have a clear solution. Do you know of a solution apart from coating them separately?
Woodsolutions Answer +

We don't know of a clear, non-slip timber finish that would also be suitable for your PFC steel channel, although such products may exist. Perhaps an alternative approach would be to cover the flange of the PFC with a non-slip nosing, in the same way one would treat the edge of a timber stair tread. This would require a slightly deeper rebate into the CLT to accommodate the thickness of the nosing. Otherwise we can only suggest making further inquiries in the coatings industry.

Non-slip coating

Answered on 24-02-2021
Please note that our answer is based on the best advice available at the time. If the National Construction Code, Australian Standards or local requirements have been subsequently amended, our answer may no longer be correct in all details. For more information, please read our disclaimer.

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