1 â¢ Print, sign and date the two-page Certification. Statement and mail it along with all requested. supporting documentation to the Medicare. contractor. 2  Note: 3  Do not mail the CMS-855 paper that can. be printed from Internet-based PECOS.  Retain this information for your records.
Definition of mastic. 1 : an aromatic resinous exudate from mastic trees used chiefly in varnishes.
Adhesives and pastes. 1  Mastic (plant resin) 2  Mastic asphalt, or asphalt, is a sticky, black and highly viscous liquid. 3  Mastic cold porcelain.  Mastic, high-grade construction adhesive commonly used to bond ceiling, wall, and floor tiles, plywood panels, concrete, asphalt, leather and fabric.