Filling gaps between timber floor boards can lead to disaster and is best avoided. Sanded and polished timber floors tend to swell slightly during the humid months of the year and shrink again in the drier months. This creates movement in the timber floor. If you fill the floor when the gaps are at their widest and then encounter some humid weather, the floors will swell, closing the gap and forcing the filling out of the grooves and cracking the timber floor finish. This looks far worse than gaps in the polished timber floors. If you can't live with the gaps, laying a engineered timber floor over the top may be your best choice. Painting your floors white is also best to avoid as this only accentuates the size of the gaps. Good luck with your decision. Engineered timber floors

There is a company in Sydney called Sydney timber supplies who are screening specialists, check their website or their phone number 1300 779 559. Hope this helps.

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Hi CP and thank you! Your comment and suggestion is not controversial at all, but raises interesting design points. They are not shutters, but timber louvres. They can be raised and lowered as 1/2 panels- 2 per each window. When they are “open” it’s straight out to the deck and the elements. IE no glass Windows behind- just screens to keep out the insects. As the home is in the tropics, and currently it’s steaming hot and the humidity level is sky high too- in order to keep the room fully Air Conditioned (for now) it’s necessary to keep the louvres fully closed. So- it’s “either/or” with this window style, as they are not “traditional” windows. That’s why there is the glass door to the balcony and the skylights in the ceiling- to let in natural light in the summer steamy season. The only months we don’t need A/C are winter months here, which is June- September aprox. In those months when excessive heat has gone, I can open everything and there is a beautiful view out to the tropical rainforest vegetation and trees. Then, it indeed looks as though there are no window “treatments” as I can raise all the louvres. I once (years ago) got a quote to put in more normal windows, but the cost was exorbitant and besides, I felt it was ultimately the wrong thing to do as it would take away the unique character of this pole house. Tomorrow when it’s light, I can post some photos of all the louvres raised just to give you an idea.