The Earthcore Adhesive, is a thin-set masonry adhesive, which can be used in either interior or exterior installation.
An approved adhesive for Isokern fireplace and chimney systems, the mortar is available in 50 pound pails. Properly mortared fireboxes and smoke dome assemblies require approximately five gallons (dry measure) of Earthcore Adhesive.
APPROVED FOR INDOOR & OUTDOOR USE – NOT FOR USE WITH FIREBRICK
MEETS ANSI A118.1, ANSI A108.5 AND C.T.I. 64-1.
When blended with additional adhesives conforms to ANSI A118.4.