Galvanized Iron Sheets
Galvanized Sheets (also called G.I. Sheets) are steel sheets coated with a layer of zinc to provide corrosion resistance and long-lasting durability. The zinc coating protects the steel from rust and environmental damage, making these sheets ideal for outdoor, industrial, and construction applications.
They provide reliable corrosion resistance, strength, and versatility, making them ideal for both structural and protective applications. Their combination of durability and ease of fabrication ensures long-term performance in residential, commercial, and industrial projects.
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Complete Steel Range
Serving Luzon Visayas, Mindanao
Specifications
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| Lead Time: | 1 - 3 days |
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APPLICATIONS
Sheds And Industrial Buildings
Gutters, Downpipes, And Flashing
Doors, Gates, And Fences
Air Conditioning Ducts And Ventilation
Agricultural And Storage Structures
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Available Galvanized Iron Sheet Sizes & Specifications
Galvanized iron sheets are available in 16 gauge options from #26 (0.40mm) to #7 (4.50mm) — with exact weight per 4ft×8ft sheet for every gauge as specified in ASTM A653 and JIS G3302-SGCC. Download the 2026 Product Handbook for the complete gauge-weight reference.
- Gauge #26 (0.40mm) to Gauge #7 (4.50mm) — 16 gauge options available
- ASTM A653 / JIS G3302-SGCC — hot-dip zinc-coated structural carbon steel
- Standard 4ft × 8ft sheets — exact weight per sheet for every gauge
- Superior corrosion resistance — ideal for tropical climate, coastal areas, and typhoon zones
- Used for roofing, wall cladding, ceiling panels, ductwork, and exposed structural steel
PICK UP AND DELIVERY PROCESS
From Our Warehouse to Your Site
Place Your Order
Tell us what you need and we'll prepare your order with technical precision.
Order Confirmation
We confirm availability, pricing, and delivery details for maximum transparency.
Pick Up or Prepare
Pick up at our strategic warehouse locations or we'll prepare for rapid transit.
Nationwide Delivery
We deliver safely and on time to your project site, no matter the scale.
Step 1 of 4: Place Your Order
PICK UP AND DELIVERY PROCESS
Pre-Pick Up Information
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Pre-Delivery Information
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Pick-Up Process
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DOWNLOAD PDFCommon Questions
FREQUENTLY ASKED QUESTIONS
What is the difference in finish between BI and GI sheets?
The main difference in finish between BI (Black Iron) sheets and GI (Galvanized Iron) sheets lies in their surface protection and appearance.
- BI sheets have a dark, matte, unfinished surface and are prone to rust if exposed to moisture, as they have no protective coating.
- GI sheets are coated with zinc, giving them a shiny, silvery finish that protects against corrosion and makes them suitable for outdoor or humid environments.
How durable are BI and GI sheets in different environments?
Black iron sheets have minimal corrosion resistance and are less durable in humid, wet, or outdoor environments, as they can rust quickly if not properly coated or painted. They are best suited for indoor or protected applications.
Meanwhile, galvanized iron sheets have a zinc coating that protects against rust, making them more durable in outdoor, humid, or industrial environments. They require less maintenance and are ideal for roofing, siding, and other exposed structures.
Are GI sheets resistant to corrosion and weather exposure?
Yes, galvanized iron sheets are highly resistant to corrosion and weather exposure. The zinc coating acts as a protective barrier, preventing rust and extending the sheet’s lifespan even in humid, rainy, or industrial environments. Proper installation and occasional maintenance can further enhance their durability.
Plan Your GI Sheet Order
Send us the sheet thickness, dimensions and coating requirements for your project. We’ll help check galvanized iron sheet options and discuss the quantity you need for a quotation.
