How to seal between decking boards?

[ruby947]

I have floorboards with big gaps between that link outside with inside. What's the best way to fill the gaps and then use boards as floor base and keep out unwanted wildlife? I plan to use the boards as my floor? Is it best just to cover it with a big piece of vinyl or will this just go mouldy and rot the whole floor in time?

[EricL]

Hello @ruby947 

Welcome to the Bunnings Workshop community. It's sensational to have you join us and thanks for sharing your question about your floorboards.

In order to give our members a better idea of what your flooring looks like, would it be possible for you to post a few photos of the flooring you're planning to cover? Once we see what it looks like, we'll be able to offer recommendations on how to cover it. There are a number of factors that need to be taken into account especially if it is outside your home. The materials to be used must be designed for outside use. What kind of exposure are we looking at? Is it full on or is the area partially covered. 

If you need further assistance, please let us know.

Eric