Security Grates, Grilles, & Diffusers

KEES security grates protect building openings from unwanted passage of people or objects, preventing unauthorized entry into a secure area or unwanted exit from a secure area. Common applications include roofs, ceilings, walls, and floors in behavioral health facilities, correctional facilities, and hospitals. Style C security grates use round bars in sleeves.

KEES 14-gauge steel risk-resistant perforated security grilles are OMH-accepted for medium-risk areas. This product features 3/16 inch diameter holes on 9/32 inch staggered centers, tamper-resistant countersunk screw holes with matching screws, and a white polyurethane finish. Common applications include behavioral health facilities, correctional facilities, and hospitals.

KEES passageway diffusers are 12-gauge steel security diffusers with Z-shaped louvers. With 3/16 inch openings between the horizontal louvers, a securely welded faceplate, and a white two-part polyurethane finish, this product is ideal for applications in behavioral health facilities, correctional facilities, and hospitals.

KEES perforated 10-gauge steel security linear slot diffusers are accepted for medium-risk areas in new construction and retrofit projects. With 3/16 inch diameter holes on 9/32 inch staggered centers, this product offers the same performance as regular linear slot diffusers while meeting security and minimum risk-resistant requirements. Common applications include behavioral health facilities, correctional facilities, and hospitals.