email@example.com (Munroe) wrote in message
It's spelled polyurinstain, or polyurinate... but you were close
enough. Shellac is still the preferred finish amongst the devoted
restorers of A&C style bungalows (seeing as that's what most were
finished with). It will not stand up to animal pee, nor spills of
strong bases like ammonia. It is, however a dream to apply (a wool
bat on a mop handle works great). The alcohol fumes aren't bed
because they dissipate quickly - no extended outgassing period as with
oil varnishes. Probably the cheapest way to go is to use Zinsser's
Seal Coat, cut 1:1 with fresh 200 proof denatured alcohol. It's work
it to get that stuff from a chemical supply house versus the stuff
from the hardware store.
Careful sanding of the floor is the most important (and arduous)
step... but regardless of the finish, ya gotta do it anyways.
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