MasterRib is Union's most popular metal roofing panel with superb 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 25 year substrate rust warranty. Union's paint colors have energy star ratings and can reflect up to 70% of the sun's energy that can reduce attic temperatures and cooling costs.
29 Gauge MasterRib PTD Galvalume roof panel
Extra wide ribs 3/4 inch high for increased strength
Panel has a 36 inch wide coverage
Oversized anti-siphoning channel for extra leak resistance
Most popular residential panel profile
Exposed fastener design
Meets standards for UL 2218 impact resistance
Can be installed over shingles
3:12 minimum recommended roof pitch