Home > Products > GM Metal Profile GM Heavy Channels providing high corrosion resistance. Detailed work on each bend and curve of parts to ensure error-free manufacture and the appropriate performance. GM Ceiling Section Fixing the main support of drywall GM50 Ceiling Section GM Intermediate Channel Primary section to support the ceiling section GM50 Intermediate Channel GM Perimeter Channel Fix around walls/partitions GM50 Perimeter Channel GM Ceiling Angle To provide suspensions from the structural soffit GM50 Ceiling Angle GM Ceiling Section Fixing the main support of drywall GM28 Ceiling Section GM Intermediate Channel Primary section to support the ceiling section GM28 Intermediate Channel GM Perimeter Channel Fix around walls/partitions GM28 Perimeter Channel GM Ceiling Angle To provide suspensions from the structural soffit GM28 Ceiling Angle