MasterRib is Union Corrugating’s most popular metal roofing panel and is an leader in strength and durability. This versatile metal roofing panel features classic looks and is used in a wide range of roofing and sidewall applications, including residential, commercial, post-frame and agricultural. MasterRib is designed with extra wide ribs to increase strength and ease handling and installation. Another unique feature of the MasterRib panel is the extra large siphoning channel under the under-lap rib which provides extra leak resistance in extreme wind and rain conditions. MasterRib panels have our premium Siliconized Modified Polyester (SMP) paint system that provides the industry's best color stability, chalk resistance, fade resistance, gloss retention, stain resistance and scratch resistance 45 year paint warranty. The Galvalume coating on the panels provides rust resistance with a \N25 year substrate rust warranty. Union's paint colors have EnergyStar ratings and can reflect up to 70% of the sun's energy that can reduce attic temperatures and cooling costs.
Seals off building outside corners
Protects where end wall meets roof panels
Prevents leaks from occurring
Galvalume coating for rust resistance
Provides a professional finished look to roof edge and building corners
25 Year rust warranty on 29 gauge MasterRib Galvalume Rake and Corner Trim
