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Trident Roofing INDRADHANUSH
Trident Roofing INDRADHANUSH
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Manufacturer of Profile Roofing Sheets

Manufacturer of Profile Roofing SheetsManufacturer of Profile Roofing SheetsManufacturer of Profile Roofing Sheets

Here for all your roofing needs!

Contact US

9756116116

Manufacturer of Profile Roofing Sheets

Manufacturer of Profile Roofing SheetsManufacturer of Profile Roofing SheetsManufacturer of Profile Roofing Sheets

Here for all your roofing needs!

Contact US

9756116116

We've Got You Covered

Roofing Sheets

Air Ventilator Fans

Roofing Sheets

Your roof is your home's main defense against the elements. Let us walk you through the best options to fit your needs and once you feel comfortable with your choice. We will Manufacture as per your Requirement.

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Accessories

Air Ventilator Fans

Roofing Sheets

If you're looking to update or upgrade your roofing and gutters, we've got you covered. We have wide Variety of Gutters, Ridges, Corner Flashing Designs Available.

Air Ventilator Fans

Air Ventilator Fans

Air Ventilator Fans

Age and environmental factors can wreak havoc on your roof. Ignoring problems for too long can cause headaches down the road.

Let The warm Air blow away!!

Reviews

Frequently Asked Questions

Please reach us at ajsteelsagra@gmail.com if you cannot find an answer to your question.

It is very normal for you to get confused about the Right roofing sheet for you.

Roofing sheets come in variety of Thickness and qualities. Thickness ranging from 0.30mm to 0.50mm, and Qualities such as PPGL, PPGI, PPCR. All are meant to cater different purposes.

  • PPCR (Prepainted Cold Rolled) :- They have a life of 1-6 Months, they are mostly used for barricading of construction sites and later meant to be sold as scrap within 6 months to one year.
  • PPGI (Prepainted Galvanized) :- These sheets have a service life of 10-15 years. These steel sheets are coated with Zinc. Coating Ranges from 80 GSM to 120 GSM. In simple terms these are colour coated galvanized sheets also known as (NAALIDAAR) in Profile sheet Trapezoidal Design.
  • PPGL (Prepainted Galvalume) :-   These steel sheets are coated with alloy of 55% Aluminium 43.4% Zinc 1.6% of Silicone. They are the most advanced form of roofing sheets and have a service life of upto 25-30 years.

Galvanized steel, PPGI, is coated completely with zinc, while Galvalume steel, PPGL, is coated with aluminum, zinc, and a small amount of silicone. This provides superior corrosion resistance and durability over the typical galvanized coating. This is the biggest difference between PPGI steel and PPGL, which is the reason for the differences in many features such as weight, product life, appearance, price, and applications. 

Because the specific weight of aluminum is less than the specific weight of zinc, the aluminum zinc coating on PPGL will weigh less with the same coating thickness. Which also means that the Al-Zn coating, with the same weight, can cover 3% more space than PPGI. 

 

Both zinc and the aluminum zinc coating help to protect metal against rusting to prolong product service life. With PPGI, when the zinc coating corrodes, the base metal will become damaged. A galvanized PPGI sheet may last approximately 10 to 15 years.

With the aluminum zinc alloy on PPGL, the aluminum rich material will corrode slowly while the zinc rich portion will corrode preferentially. This provides added corrosion resistance over strictly the zinc coating of PPGI. PPGL can last up to Three Times Longer than PPGI.

The PPGL surface will appear to be smoother than the surface of PPGI.  Because aluminum has better adhesion properties than zinc, PPGL may not require the same pretreatment for painting as galvanized sheets require. 

PPGL offers better heat resistance than PPGI, with the ability to withstand temperatures up to 315°C. Because PPGL provides improved corrosion resistance with a dense layer of aluminum the base metal is further protected against erosion. The cut edge of PPGL is less protected, however, due to the honeycomb structure of the coating which does not sufficiently protect exposed edges.  A coating can be applied to these exposed edges for added protection. 

Both PPGI and PPGL are used in various roofing and wall paneling applications. Because PPGL better corrosion resistance it is more suitable even for harsh outdoor environments such as coastal areas with exposure to seawater. PPGL also provides excellent heat resistance which makes it a popular material for ovens and chimney pipes. 

The price for PPGL is typically 7-8% more than PPGI due to added performance. But as the weight of PPGL is 7-8% less than PPGI, therefore PPGL costs lower per sheet.

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