Refinishing a floor with dominant cracks makes the job a bit more difficult but there are a few ways to disguise the imperfections.
Fill old pine floor before stain.
The planks are close to 3 4 inch they are nailed into the joists.
Before you start filling you should have completed the edge sanding to a 50 or 60 grit and sanded the main body of the floor with at least 80 grit.
Retain the cap to use if you have any leftover epoxy.
Wipe away any excess wood dust.
Home antique heart pine flooring how to fill voids and knot holes in wood.
If you want to refinish sanding pine floors is easier than sanding hardwood.
That way you have only fine dust from the 80 grit.
Press the cap out of the plungers before trying to depress the plunger.
Finish your wood with stain and or topcoat of your choice.
When the finish gets dull you can restore it by a screen and recoat.
Repeat for each gap and allow the stain to dry completely before walking on the floor.
Then dip a clean rag in gel wood stain and wipe it over the filler.
I sand the floor to 60 grit empty the dust bag then sand the floor with 80 grit.
There are large gaps that vary between the planks.
Remove any excess with a dry lint free cloth.
It needs regular sweeping and mopping to protect the finish.
How to refinish a hardwood floor with large cracks.
Pine is a softwood so an old pine floor is usually distressed which is part of its charm.
How to fill voids and knot holes in wood.
Filler for pine plank.