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Hi Rib Roofing System

Hi Rib Roofing System
Hi Rib Roofing System
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Product Code : HRRS-04
Brand Name : P M IMPEX PVT. LTD
Product Description

We are reckoned as a reliable and distinguished manufacturer and supplier of Metlex Hi Rib Roofing System with the assurance of better quality and features. Preferring to the best-quality base materials, we fabricate our range of roofing under the responsibility of our expert designing team employing advanced technology. Characterizing myriad features life superior coating, greater strength and optimal quality, the range of Metlex Hi-Rib Roofing System is preferably demanded for roofing on different establishments.Our finished products are quality-tested by our experienced civil engineers to fulfill the quality standards matching with international market. Customers can avail our range of roofing at good prices.

Further Detail

METLEX Hi Rib roof and wall cladding systems are constructed in the different constituting materials with the desired standard.Galvanized Steel and high-tensile cold rolled METLEXF in conformity with AS-1397 standard coating including class AZ150 zinc-aluminum alloy coating mass, 550MPA yield strength complying with AS-1397 standard. Galvanized steel according to IS:277 (zinc coating mass / 245 MPa yield strength).

Technical Specifications

Resistant Type

Corrosion Resistant


2-3 mm or Customized




Length: bespoke size, possible upto 12Mtr.
Tolerance: Supporting the length of : 0-10mm and Cover width of 6mm
Packing : In Boxes closed with polypropylene straps

Technical Specification of METLEX Pre-coated G.I. Steel

Substrate IS 513 Cold Rolled Steel Coils
Tensile Strength 240 MPa - 350 MPa
Galvanizing As per IS 277
ZInc Coating 120 GSM - 150 GSM
Pre Painting IS 14246
Type of Coating RMP / SMP
Total Coated Thickness (TCT) 0.50mm - 0.80mm

Technical Specification of Galvalume

Substrate 55% Aluminium, 43.4% ZInc & 1.6% Silicon
Tensile Strength 550 MPa
Coating Strength As per IS 1397 - 1993
Coating Mass AZ 150
Base Metal High Tensile Steel
Total Coated Thickness (TCT) 0.47mm - 0.60mm


DATA TABLE Thickness of Base Metal (mm) Thickness of Total Coated (mm) Mass Per Unit Area (Kg./m2)
Galvalume – AZ 150, 550Mpa (Bare) 0.42 0.47 4.28
Color Coated Galvalume –AZ 150, 550 Mpa 0.45 0.5 4.4
Color Coated Galvanized Steel- AZ-120 GSM, 240 Mpa 0.45 0.5 4.5


Hi Rib Roofing System

PMI Rib roofing profile is fabricated from Pre-coated galvanized steel (PPGI)/Al-Zn alloy steel (Bare Galvalum) and color painted Al-Zn alloy steel (Color Coated Galvalum) with a roof width of 1010mm, overall width of 1050mm, slope of 200mm and a wave height of 30mm with two strong ribs in between. PMI Rib roofing can be placed on both roof and wall cladding owing to custom-designed pitch and height in accordance with the designer’s choice.


PMI roofing sheet is available in the following base materials in standard execution.
Description Total Coated Thickness (mm) Approx. mass per unit area Kg/m2 Approx. mass coverage m2/mT
Bare Galvalume 0.47mm 5.16 193.79
Color Coated Galvalume 0.50mm 5.5 181.8
Color Coated Galvalume 0.55mm 6.04 165.56
Color Coated Galvalume 0.58mm 6.4 156.25


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