Seal the surface with two coats of 2 lb cut dewaxed shellac.
Shellac pine floor.
Polyurethane and epoxy products gel stains oil based or latex paints and clear topcoats such as varnish or shellac are the best finishing products for pine wood.
Made from flakes of resin secreted by lacs insects native to asia and dissolved in alcohol shellac is typically available in clear or amber but can also be tinted to bring out a range of hues.
Shellac is the best floor finish for an old house shellac link i use this on all my floors http amzn to 2emnp3u.
The resin is scraped from trees and then diluted or processed in denatured alcohol when used for flooring purposes.
Shellac finishes were common on wood floors until urethanes became more widely accepted.
I found a large natural bristle brush worked well.
It dries very fast so 2 3 coats can be applied in one day and is ready ot walk on in 2 3 hours.
As far as i know amber shellac has been and always will be the classic retro finish for knotty pine.
Our grandpas and dads were putting this orange honey gold finish on their unfinished knotty pine back in the 1950 and 1960s and the product is still available today as bulls eye shellac by zinsser which is a rust oleum company.
Without shellac pine s pitch can bleed into oil based finishes leaving fissures or shiny spots that remain tacky especially around knots.
For you purposes at least 5 6 coats of shellac can be brushed or rolled on to a well sanded pine floor.
Unlike synthetic urethanes shellac is a natural resin that is derived from the lac beetle and diluted with.
This article has outlined step by step finishing instructions for various pine wood projects including outdoor furniture floors and wall panels.
I used a 1 pound cut sealing coat of shellac on my pine floors before i waxed them.
This knowledge is equal parts gross and fascinating to me.
It comes from the resin secreted by a lac bug found in india and thailand.
Thinner cuts of shellac leave less brush marks.