Unlike synthetic urethanes shellac is a natural resin that is derived from the lac beetle and diluted with.
Shellac pine floor.
Thinner cuts of shellac leave less brush marks.
For you purposes at least 5 6 coats of shellac can be brushed or rolled on to a well sanded pine floor.
It dries very fast so 2 3 coats can be applied in one day and is ready ot walk on in 2 3 hours.
This knowledge is equal parts gross and fascinating to me.
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.
It comes from the resin secreted by a lac bug found in india and thailand.
Shellac is the best floor finish for an old house shellac link i use this on all my floors http amzn to 2emnp3u.
However shellac is about as natural as it gets for a wood flooring finish.
Without shellac pine s pitch can bleed into oil based finishes leaving fissures or shiny spots that remain tacky especially around knots.
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.
As far as i know amber shellac has been and always will be the classic retro finish for knotty pine.
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 made from the excretions of the lac bug in india and is picked by hand.
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.
I believe it was a badger hair brush.
I found a large natural bristle brush worked well.