Different gap repair methods.
Reparing gaps hardwood floors wood fill.
When to avoid wood fillers.
The problem is magnified when the boards were not tightly laid in the first place.
The most extensive is to have to completely replace a floor that has too many gaps to repair without losing its beauty.
Before you begin filling gaps in old wood floors with caulk make sure you have properly inserted the tube into a standard caulk gun.
You may be tempted to fill the gaps with a wood filler.
Another exacerbating condition is water damage.
You can fix floor gaps in a number of different ways.
It should help the filler to go in between the boards a bit more evenly.
Unfortunately this is not a permanent fix for boards affected by humidity as the boards will continue to expand and contract.
Ordinarily you can fill the gaps with wood filler putty or with pieces of rope and then finish with stain to match the floor.
With older tongue and groove hardwood or even wide plank floors gaps inevitably develop between the boards mostly because the wood shrinks over time as it dries out and loses moisture content.
Water logged wood will first swell then shrink as it dries out.