Timber Floor Gap Filler

I have a concrete floor.
Timber floor gap filler. Yeasty musty smell coming from between floor and skirting only when windows open. Apply enough filler so that the filled in gap is flush with the top of the wood floor. Moldings sills doorjambs baseboard or wood trim with damage or large holes can be repaired with epoxy. Another exacerbating condition is water damage.
For this reason very few floor experts will still suggest using a putty filler. Water logged wood will first swell then shrink as it dries out. Sika gap fillers adhesives are designed for sealing gaps cracks between surfaces connection joints around windows door frames around ac vents. Lacquer based wood floor filler is a mixture of lacquer and very fine wood dust.
Superior flexibility and stretch capability to cope with movement. Matching the filler material to your particular situation is the key to patching large holes in wood. Put wood filler onto your putty knife and then push the filler into the gap. This filler is fast drying gives off a lot of strong fumes and is flammable.
Moved into new house and have large gaps ranging from 20 30 mm between the skirting and floor due to hardwood flooring being. Selleys no more gaps hardwood flexible timber flooring gap filler is designed for filling and sealing gaps around and between tongue and groove timber flooring. For best results use fine edger dust from the floor that is being sanded mix it with lacquer to form a putty and fill the floor as needed. The problem is magnified when the boards were not tightly laid in the first place.
While not always popular floor wax has the benefit of filling the tiny pores in your wood floor and sealing it against moisture. Filling the gaps is not and has never been a recommended practice despite more recent trends and claims by product manufacturers like timbermate that it works. It delivers superior stretch 500 elongation to cope with movement between hardwood timber floors caused by constant temperature and humidity changes. A timber floor of any size is a vast expanse of wood that will be forever moving from side to side more so than laterally.
Two part epoxy two part epoxy is one of the top choices for patching large holes. This leaves your floor looking even worse and requiring you to dig out the old putty and replace it. Filling a large gap between skirting and 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.