The most extensive is to have to completely replace a floor that has too many gaps to repair without losing its beauty.
Reparing gaps hardwood floors wood fill.
This type of cracking is considered normal for hardwood and no filler method will hold up unless the proper humidity is maintained.
Unfortunately this is not a permanent fix for boards affected by humidity as the boards will continue to expand and contract.
You can fix floor gaps in a number of different ways.
Water logged wood will first swell then shrink as it dries out.
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.
The problem is magnified when the boards were not tightly laid in the first place.
You may be tempted to fill the gaps with a wood filler.
Different gap repair methods.
When to avoid wood fillers.
Set the angled tip of the tube into the gap and pull the trigger.
Another exacerbating condition is water damage.
Now you are ready to actually correct the gaps in your hardwood floor.