For the small percentage of you living in really old houses (bless you!), let me share one of the more historically accurate ways to fill gaps in wood floors with oakum. This is the information I needed when we bought our Colonial Farmhouse and didn’t know what to do about the gaps between the original wood floorboards. I had to comb through the internet to find bits and pieces of information, so I’m combining what I learned all in one place with links out to the information that helped me. If the gaps in your wood floors don’t bother you, leave them. But if your kids can push things through…