Posted by Harold Kestenholz - Hydronic Network on April 05, 2001 at 15:23:31:
In Reply to: Boiler insulation Replacement posted by Frank Sandy on April 05, 2001 at 12:04:13:
http://www.thermalceramics.thomasregister.com/olc/thermalceramics/k.htm
http://www.rumford.com/store/firebrick.html
http://www.astm.org/DATABASE.CART/PAGES/C155.htm
http://www.faireyco.com/refractories.html