You may be tempted to fill the gaps with a wood filler.
Reparing gaps hardwood floors wood fill.
Set the angled tip of the tube into the gap and pull the trigger.
When to avoid wood fillers.
Now you are ready to actually correct the gaps in your hardwood floor.
The most extensive is to have to completely replace a floor that has too many gaps to repair without losing its beauty.
Ordinarily you can fill the gaps with wood filler putty or with pieces of rope and then finish with stain to match the floor.
Another exacerbating condition is water damage.
It should help the filler to go in between the boards a bit more evenly.
Different gap repair methods.
This type of cracking is considered normal for hardwood and no filler method will hold up unless the proper humidity is maintained.
Before you begin filling gaps in old wood floors with caulk make sure you have properly inserted the tube into a standard caulk gun.
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.