Player Piano Company sells Phenoseal.  The 8-ounce squeeze-bottle size
(cat. no. 326) costs $5.38, the quart bottle (cat. no. 2326) costs
$17.25.  They don't ship that sealant during the winter, because of the
danger of freezing.

PPCo is at 704 East Douglas, Wichita, KS 67202.  You can telephone
Durrell Armstrong's right-hand-man, Jack Johnson, who will take your
order with amazing efficiency, at 1-316-263-3241.

Matthew Caulfield
Irondequoit, New York