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FORTISS 470™

FORTISS 470™ is the new generation of 360° seam locked roofing system developed by Tata BlueScope Steel. The unique design of the clip and profile deliver excellent weather tightness performance.

The system is the ideal choice for large industrial, commercial, and warehousing buildings, looking for bigger spans, better performance, a quick turnaround and customization.
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360 degree Standing Seam Roofing System

Specifications Features Standard Color Range Applications
Base Metal Thickness0.55 mm Depth73 mm Min. Roof Slope2 degree SteelZINCALUME ® steel, COLORBOND® XRW steel *Standard offering includes COLORBOND® XRW steel but other options like COLORBOND Ultra steel, COLORBOND® XPD steel and COLORBOND® Metallic steel can also be used after consultation from Tata BlueScope Steel authorities Steel GradeG300 (300 MPa yield strength)
Total Coated Thickness0.60 mm Effective cover width470 mm Coating Class (min.)ZINCALUME AZ150 (150g/m2) (55% Aluminium, 43.5% Zinc, 1.5% Si) as per AS1397 / IS15961 – with Super Durable Polyester COLORBOND®; steel XRW quality paint system of approved color conforming to AS/NZS 2728 type-4 / IS15965 class 3 ApplicationStanding Seam Roof Sheet
Note: Above spans are applicable up to wind speed of 39m/sec. Supports must be not less than 1 mm BMT. Please contact Tata BlueScope Steel office considering the above for designs.

Better Spanning Capability

Lesser cover width of 470mm, higher depth of 74mm and 360 degree seaming profile provides larger spanning capacity when compare to 600mm wide 360 degree SSP of same thickness

Improved weathertight performance

Being a standing seam roofing system, it does not require piercing or screwing

Assured Leak proofness

Bucket of 425mm width x 53mm deep Valley is huge enough to take care of the highest rain fall and also 360 degree seam will never allow any leakages through side laps

Specially designed roof clip

Floating system for easy thermal expansion and contraction

Low Maintenance

Being a Screw less roof system, major maintenance is not required except in flashing areas

Better walkability & Aesthetics

Profile having cross wise stiffeners at every 150mm which provides better grip and stability while walking on the profile. These stiffeners avoids the Oil Canning effect and provides good aesthetics when Colorbond ® sheets are used

Desired sheet lengths / onsite roll forming

Single sheet from eave to ridge ensuring complete leak proofness

New profile can be offered with 0.5 BMT with max 345 MPa

Higher strength in lower thickness, optimizing design requirements
  • SurfmistTM
  • HeadlandTM
  • Pale EucalyptTM
  • Cottage GreenTM
  • AquamarineTM
  • Sky BlueTM
  • Torres BlueTM
  • Toba BlueTM
  • Bare ZincalumeTM
Note: Above standard colour shades are given for guidance only. The Colour shades may look different due to print limitation. Please contact the nearest Tata BlueScope Steel sales office for any other colour shade enquiry. We would be glad to send an actual COLORBOND® colour sample or help with any other colour requirement.