Another exacerbating condition is water damage.
Filling large gaps in hardwood floors.
Over time however the putty hardens chips and flakes.
In many areas the filling looks pretty good however over the years the filling in some areas had is cracked and crumbled away.
The problem is magnified when the boards were not tightly laid in the first place.
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.
Filling huge gaps in hardwood floors i have a 1905 house in boston with hardwood floors which have large cracks in them that were filled many years ago.
Look for a wood filler with a label that indicates that it won t shrink or crack.
This type of cracking is considered normal for hardwood and no filler method will hold up unless the proper humidity is maintained.
Choose a wood filler with a thick putty like consistency if you ll be filling larger gaps.
Why you should avoid putty fillers.
There are many different ways to go about correcting this type of issue but we will dive into the most common.
Water logged wood will first swell then shrink as it dries out.
Wood fillers are also not meant for use with large gaps.