Drywall Outside Corner

Trim Purpose

Specs, MSDS, and LEED Information for Flannery Trims & Products

Flannery’s Aluminum Drywall Outside Corner is a high strength alternative to galvanized or plastic square cornerbead. Its thickness allows it to be utilized in high traffic areas where outside drywall corners may require additional protection than the conventional cornerbead.

Manufacturer's Specifications

Flannery’s Aluminum Drywall Trims are standard extruded aluminum alloy 6063 T5 and are .050” thick. Aluminum trims come in 10′ lengths and shall have a standard Mill Finish for field priming and painting unless specified otherwise. Clear Anodized and Chem-film finishes, as well as other factory finishes and custom paint orders are available. Click on Info Tab above for Factory Finishes.


Part No. “A” Width
DOC 375 3/8″
DOC 1250 1 1/4″

Attach Aluminum Drywall Trims through the taping flange to the drywall and framing with nails, screws, or other approved fastening methods. All drywall trims must be cut accurately and installed with tight, neat joints. Manufacturer recommends that a carbide tip blade along with blade lubricant be used when cutting any aluminum trim.