M2Tech® 90 Moisture and Mold Resistant Setting Compound is formulated to resist moisture and mold. It is a necessary component for a complete M2Tech moisture and mold resistant system. It is a lightweight sandable chemically setting powder used to prefill joints, embed joint tape and conceal joints, fasteners and trim accessories on drywall. It can also be used for interior patching and repair. Sets in approximately 90 minutes. Ready-Mixed Joint Compounds should be used for finishing.

18 lb bag