Installing Crown Moulding in your room has never been easier or more affordable. Cemetrim can be installed by most anyone with our pre-mitered inside and outside corners with matchless alignment. Cemetrim installs with "Drywall Compound" and requires NO special tools, fasteners, adhesives or equipment. Cemetrim is engineered with a lightweight core that encompasses a TRUE Plaster Finish that will not expand and contract like wood does, so seams and joints stay together...