GI Sheet Price List and Buying Guide

GI sheet could be a good choice if you want a lasting roofing material at a reasonable price.

Galvanized iron sheet, or GI sheet, is a type of steel sheet that has been covered with zinc to stop it from rusting and make it last longer.

GI sheet is used in many different fields, such as construction, furniture, the car industry, and more.

In this piece, we’ll tell you everything you need to know about the GI sheet price in the Philippines, which ranges from ₱800 to ₱2,400, as well as its uses, types, sizes, pros, cons, and other important facts.

What is GI Sheet?

What is GI Sheet

GI sheet is a building material that is made of mild steel and has a layer of zinc on top.

This zinc covering keeps rust and corrosion from getting into the steel.

The sheet looks smooth and shiny, and the spangles are different sizes and shapes.

There are two main types: plain GI sheet, which is flat and used for furniture and appliances, and corrugated sheet, which has a wavy surface and is great for roofs and wall panels.

GI sheet is an effective and inexpensive way to keep steel sheets from rusting and make them last longer in many situations.

Uses of GI Sheet

GI sheet is a versatile material that can be used for various purposes, such as:

  • Furniture: In the furniture business, GI sheet is often used as back panels for wardrobes, bookshelves, file cabinets, bedside cabinets, tables, and more.
  • Automotive: It is used in the automotive business for things like the insides of cars, bicycle frames, the outsides of tractors or cars, ship bulkheads, vehicle containers, farm equipment, bottom plates, highway fences, and more.
  • Light industry: GI sheet is used for the back panels and shells of home equipment like refrigerators, washing machines, microwave ovens, air conditioners, water heaters, chimneys, kitchen utensils, and more.
  • Construction Industry: GI sheet is used in the construction industry for things like roof grills, window frames, rolling doors, porch panels, door panels, fences, warehouses, gutters, and other building parts.
  • Other uses for GI sheet include outdoor signs, bolts and nails, hoppers, buckets, and many more.

Types of GI Sheet

Based on how they are made, there are two main types of GI sheet:

1. Electrogalvanized Sheet

Electrogalvanized Sheet

For this type, an electric current is run through a sheet of steel that is in a zinc solution. It makes a smooth, shiny zinc layer that is thin and even. Electrogalvanized metal doesn’t rust and is easy to weld.

2. Hot-dip Galvanized Sheet

Hot dip Galvanized Sheet

To make this type, a steel sheet is dipped into a bath of melted zinc. It makes a zinc covering that is thick, bumpy, dull, and rough. Hot-dip galvanized sheet is very strong and resistant to rust.

GI sheet is also offered in two different types based on its shape:

  • Plain GI Sheet: This type of sheet has a flat surface and can be used for things like the backs of furniture and appliances.
  • Corrugated Galvanized Sheet: This type goes through a cold-forming process that makes lines that are parallel to each other. It is most often used to make roofs.

These different kinds of GI sheets can be used for a wide range of purposes and meet different aesthetic and functional needs.

Size of GI Sheet

In Philippines, GI sheet is usually 4 feet by 8 feet. But there are also other sizes based on how thick the sheet is and what kind it is.

GI sheet can be anywhere from 0.5 mm to 1 mm thick. The size and thickness of the GI sheet also affect the price.

GI Sheet Price List

The following table shows the approximate price list of GI sheet in Philippines:

GaugeSize and ThicknessPrice
244ft x 8ft; 0.5mm₱800
224ft x 8ft; 0.7mm₱1,205
204ft x 8ft; 0.9mm₱1,365
184ft x 8ft; 1mm₱1,650
164ft x 8ft; 1.2mm₱1,900
144ft x 8ft; 1.4mm₱2,400

Note: The prices are subject to change without prior notice.

Advantages and Disadvantages of GI Sheet

GI sheet is a good choice for a roof material for many reasons, such as:

  • It will last for a long time.
  • It doesn’t corrode or rust.
  • It is easy to set up and keep up.
  • It is easy to carry and can bend.
  • It can’t catch fire and can stand up to heat.
  • It is reusable and good for the environment.

But GI sheet also has some bad things about it, such as:

  • It is easy to dent and scratch.
  • It is vulnerable to acid rain and salt spray.
  • When it rains or blows, it is noisy.
  • It is not nice to look at.

Things You Should Know about GI Sheet

Before you buy GI sheet for your roofing or other purposes, here are some things you should know about it:

  • What is GI plain sheet made of? GI plain sheet is made of mild steel sheet and a layer of zinc coating on its surface.
  • Does GI sheet rust? GI sheet does not rust easily because of the zinc coating that protects the steel from corrosion. However, if the zinc coating is damaged or worn out, the steel underneath can rust over time.
  • Can GI sheet be welded? Yes, GI sheet can be welded using various methods, but welding may damage the zinc coating and reduce corrosion resistance. Proper welding techniques and protective measures are recommended.
  • What is the difference between GI and stainless steel? GI sheet is steel coated with zinc to prevent corrosion, while stainless steel contains chromium and other alloys for better corrosion resistance and appearance but at higher price.
  • What is the durability of a GI sheet? The durability of a GI sheet depends on factors like the type and thickness of the zinc coating, steel quality, environmental conditions, and maintenance. Typically, a GI sheet can last 10 to 15 years or more with proper installation and maintenance.

GI sheet is a popular roofing material in Philippines because of its affordability price and durability. It has many applications in various industries and sectors.

If you are looking for a reliable supplier of GI sheet in Philippines, you can check out some online platforms that offer competitive prices and quality products.

You can also compare different types and sizes of GI sheet to find the best option for your needs.


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