Merbau is a good choice for weather-exposed situations. It is relatively stable and rot resistant. If you are replacing an existing verandah floor no doubt you are familiar with the hazards associated with using t & g flooring in such locations, eg. possible swelling of the timber if rained upon, corrosion of fasteners, etc. It's important to not cramp the boards tightly together, and to apply a water repellent finish such as decking oil.Merbau
Answered on 05-03-2021
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