Tuff Rib

Tuff Rib Panel is an economical, structural, light gauge through-fastener roof and wall panel that is an excellent choice for commercial, industrial and agricultural applications.

Features & Benefits

  • Easy-to-order trim and accessory packages available in the same gauge and colors as the panels
  • Time-tested 36″ wide profile with 3/4″ high trapezoidal ribs, 9″ on center with two minor ribs between the major ribs
  • Manufactured with high tensile steel to allow for greater load capability
  • Structural spanning allows panels to be installed over solid substrates, steel or wood support members
  • UL 790 Class A Fire rated & UL 2218 Class 4 Impact (hail) rated
  • Recommended minimum pitch 3:12
  • Post-cut panels eliminate edge flare which is common with pre-cut panels
  • Short cut capability down to 1″, a huge time saver, no shortcut charges
  • Fiberglass and Polycarbonate skylight panels available to match profile

Material Specifications

  • 26 gauge ArmorTech™ Painted Steel .019″ (thickness prior to painting) G-90 Galvanized or Zincalume® AZ-50 Per ASTM A-792
  • 29 gauge ArmorTech™ Painted Steel .014″ (thickness prior to painting) G-90 Galvanized or Zincalume® AZ-50 Per ASTM A-792
  • 29 and 26 gauge Zincalume® Plus AZ-55 Per ASTM A-792 (no finish warranty  – 25 year perforation warranty)
  • 29 & 26 gauge G-90 Galvanized Steel (no finish warranty – no perforation warranty)
  • .032 Kynar 500® Painted Aluminum: Select colors, please inquire for details


  • 19 Standard Colors, Zincalume® Plus and Galvanized
  • ArmorTech™ Paint System – excellent in exterior durability
  • “Cool” color pigments are specially designed to reflect infrared light, reducing heat gain to dwelling, and conform with ENERGY STAR® criteria
  • Superior quality, two coat SMP resin system at 1 mil. thickness
  • 40-year residential paint warranty
    • fading
    • chalking
    • chipping
    • cracking
    • peeling
Tuff Rib Spec Sheet
Tuff Rib Install Guide
Through Fastener Flashing Guide
Polycarb Tuff Rib TDS
Exposed Fastener Placement Guide
Fiberglass Sales Brochure
ArmorTech™ Color Charts
Zincalume® Plus Info Sheet
UL Class A Fire & Impact Rated
ArmorTech™ Warranty
Kynar 500® 30 Year
Commercial Paint Warranty
Zincalume® Plus
No Finish Warranty – 25 Year Perforation Warranty
Warranty Registration Card
Kynar 500® 20 Year
Puget Sound Warranty
(WA only)

.75 Flashings Tuff Rib