0.50mm DX51D Z120 Corrugated Steel Roof Sheets for Industrial and Residential

Product Specification

0.50mm DX51D Z120 Corrugated Steel Roof Sheets for Industrial and Residential Roofing

１．Product Overview

0.50mm DX51D Z120 Corrugated Steel Roof Sheets are profiled galvanized steel products designed for industrial workshops, warehouses, residential buildings, agricultural facilities, garages, shelters, and general roofing applications.

The product uses DX51D galvanized steel as the substrate with a Z120 zinc coating. After galvanizing, the flat steel sheet is processed through a corrugating or roll-forming line to create the required roofing profile.

The 0.50mm thickness provides a practical balance between lightweight construction, panel rigidity, and forming performance. The corrugated profile also helps improve structural stiffness and guides rainwater along the roof slope.

２．Technical Solution

• The steel substrate is protected by a hot-dip galvanized zinc coating before profiling. The Z120 coating provides metallic corrosion protection and helps reduce direct exposure of the base steel to moisture and atmospheric conditions.
• The galvanized sheet is then continuously roll formed into corrugated or trapezoidal roofing profiles. Profile geometry, including rib height, pitch, overall width, and effective coverage width, can be selected according to building design and installation requirements.
• The finished roofing sheets can be supplied in customized lengths to match roof dimensions, helping reduce unnecessary cutting and transverse joints during installation.
• Surface treatment can also be selected according to storage, transportation, fabrication, and project requirements.

３．Specifications

４．Application

• Industrial workshop roofing
• Warehouse roof systems
• Residential roofing
• Agricultural buildings
• Steel structure buildings
• Garage roofs
• Storage shelters
• Factory buildings
• Canopies and awnings
• Equipment shelters
• Wall cladding
• Temporary construction buildings

５．Processing

• Corrugating
• Roll forming
• Trapezoidal profiling
• Cut-to-length processing
• Slitting
• Edge trimming
• Punching
• Drilling
• Bending
• Curving
• Profile customization
• Roofing panel fabrication

６．Advantages

• 0.50mm thickness supports lightweight roofing construction and profile forming.
• DX51D substrate provides suitable formability for continuous corrugating and roll-forming processes.
• Z120 zinc coating provides metallic corrosion protection for general roofing applications.
• The corrugated profile improves rigidity compared with flat sheet of the same thickness.
• Customized sheet lengths can reduce cutting work and unnecessary roof joints.
• Different profile designs can be matched with roof slope, purlin spacing, and installation requirements.
• Natural galvanized finish eliminates the need for decorative paint where a metallic surface is acceptable.
• Effective coverage width can be optimized according to profile shape and side-lap design.

７．How to Choose

• Choose the sheet thickness according to purlin spacing, roof span, wind conditions, profile depth, and required panel rigidity.
• Select the steel grade according to forming requirements and the structural performance required from the finished roofing sheet.
• Choose the zinc coating according to humidity, rainfall, industrial exposure, and expected service environment.
• Confirm both overall width and effective coverage width before calculating roofing quantities. Material consumption should normally be calculated using effective width after side overlap.
• Select the profile according to roof slope, drainage requirements, architectural appearance, and compatibility with the supporting structure.
• Confirm sheet length according to roof dimensions, transportation restrictions, lifting conditions, and installation method.

８．FAQ

Q1．What is a corrugated steel roof sheet?

A corrugated steel roof sheet is a galvanized steel sheet formed into a wave or trapezoidal profile for roofing and wall cladding applications.

Q2．What does Z120 mean?

Z120 indicates a nominal total zinc coating weight of 120g/m² on both sides of the galvanized steel substrate.

Q3．Can the roofing sheet length be customized?

Yes. Sheet length can be produced according to roof dimensions, transportation requirements, and production capability.

Q4．What is the difference between overall width and effective width?

Overall width is the complete physical width of the sheet, while effective width is the actual roof coverage after adjacent sheets overlap.

Q5．What applications are suitable for corrugated steel roof sheets?

They are suitable for workshops, warehouses, residential buildings, agricultural facilities, garages, shelters, steel structures, wall cladding, and other roofing projects.