Note the door manufacturer (The Combination Door Company) "recommends
the use of Sikkens Cetol Door and Window finish." Are such finishes
anything special or are they just pitching somebody elses product


When we say that in computer helpdesk support, it means,
"We tried this, and it works, and if you screw it up we
can probably figure out how. You can use something
else if you want, but if it goes bad on you, you're
on your own."