Description

Corrugated Metal Roofing Sheet is a lightweight roofing system made of galvanized steel sheet, aluminum, or alloy sheets, cold-bent to create a continuous corrugated (wavy) cross-section, serving both load-bearing and enclosure functions. Corrugated Metal Roofing Sheet is widely used in industrial plants, logistics warehouses, stadiums, agricultural greenhouses, and some modern residences.

Features of Corrugated Metal Roofing Sheet:

Corrugated Metal Roofing Sheet is a lightweight roofing system using color-coated steel sheets, aluminum alloys, etc., as the base material, cold-bent to form a corrugated cross-section. Its core features are as follows:

1. Extremely Lightweight: The unit area weight of Corrugated Metal Roofing Sheet is typically 10~25kg/m², only 1/5 to 1/3 of that of traditional roofing tiles, significantly reducing the requirements for the main structure and foundation.

2. High strength and large span: The corrugated structure enhances the rigidity of the panels, allowing for spans of 6-40 meters without the need for beams or purlins, making it suitable for large-space buildings such as factories and warehouses.

3. Strong waterproofing and weather resistance: Corrugated Metal Roofing Sheets utilize mechanical interlocking seams or special sealants, ensuring smooth drainage and preventing water accumulation; the fluorocarbon or polyester coating provides excellent corrosion and UV resistance, with a service life of over 30 years.

4. Highly efficient construction: Factory prefabrication or on-site mechanized molding allows for rapid installation (up to 800-1000 m² per day), short construction periods, and minimal weather impact.

5. Low overall cost: Saves on materials, labor, and foundation costs, resulting in lower maintenance costs throughout the entire lifecycle.

6. Customizable thermal insulation: Corrugated Metal Roofing Sheets can be combined with polyurethane spraying, glass wool, and other insulation materials to improve energy efficiency; some designs also integrate ventilation and lighting functions. 7. Aesthetically pleasing and diverse: Rich in colors (Lauré color chart available), with various corrugated patterns, combining industrial aesthetics with a modern feel.

Applications of Corrugated Metal Roofing Sheets:

Corrugated Metal Roofing Sheets, with their large-span coverage, quick construction, durability, and corrosion resistance, are widely used in industrial, agricultural, and public buildings. Their main applications are as follows:

1. Industrial and Warehousing Facilities: Corrugated Metal Roofing Sheets are widely used in industrial plants, workshops, logistics warehouses, grain depots, cold storage facilities, and storage yard canopies. Their beam-free arch structure allows for column-free spaces with large spans up to 40 meters, making them particularly suitable for goods storage where waterproofing and space utilization are crucial.

2. Agricultural and Livestock Buildings: Corrugated Metal Roofing Sheets are commonly used in agricultural greenhouses, planting greenhouses, livestock sheds (such as sheepfolds), feed storage rooms, and distribution sheds. The material is lightweight and has good ventilation, making it suitable for the rapid construction of agricultural production facilities.

3. Public and Commercial Buildings: Corrugated Metal Roofing Sheets are suitable for stadiums, exhibition centers, markets, airport/high-speed rail station waiting halls, and large parking lot canopies. Some arched corrugated steel roofs can be used directly as an integrated load-bearing and enclosure structure, reducing costs.

4. Residential and Civil Buildings: Corrugated Metal Roofing Sheets are used for roofing and exterior wall decoration of villas, self-built houses, resorts, and clubs. Colored stone corrugated metal sheets can replace traditional clay tiles, combining aesthetics and wind uplift resistance, and are suitable for roofs with a slope ≥25°.

5. Temporary and Emergency Buildings: Due to their rapid installation, corrugated metal roofing sheets are often used for temporary warehouses, construction site dormitories, disaster relief tent roofs, and renovations of old buildings, meeting the need for rapid production.

6. Exterior Wall Enclosure Systems: In addition to roofing, aluminum or steel corrugated sheets are also commonly used as exterior wall cladding, providing wind pressure protection and a modern industrial-style decorative effect. 7. Adaptability to Special Environments: Through coating processes (such as hot-dip aluminum-zinc plating, polyurethane spraying), it can adapt to highly corrosive environments (ports, chemical industrial zones) or areas with severe snow accumulation, requiring regular snow removal to prevent overloading.

Grade and Specifications of Corrugated Steel Plate:

Usage	Grade	Yield Strength (MPA)	Tensile Strength (MPA)	Elongation rate %
Punching galvanized steel	DX51D+Z	~	270-500	>=20
	DX52D+Z	140-300	270-420	>=22
	DX53D+Z	140-260	270-380	>=26
	DX54D+Z	140-220	270-350	>=30
Structure galvanized steel	S220GD+Z	>=220	>=300	>=18
	S250GD+Z	>=250	>=330	>=17
	S280GD+Z	>=280	>=360	>=16
	S320GD+Z	>=320	>=390	>=15
	S350GD+Z	>=350	>=420	>=14
	S400GD+Z	>=400	>=470	~
	S500GD+Z	>=500	>=530	~
	S550GD+Z	>=550	>=560	~

Standards and Classifications

ommodity	Corrugated Roofing Steel Sheet Color Coated Corrugated Board Roofing Panel
Product	Galvanized Steel	Galvalume Steel	Prepainted Steel	Prepainted Steel
			(PPGI)	(PPGL)
Thickness(mm)	0.13-1.5	0.13-0.8	0.13-0.8	0.13-0.8
Width(mm)	750-1250	750-1250	750-1250	750-1250
Surface Treatment	Zinc	Aluzinc coated	Ral color coated	Ral color coated
Standard	EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653
Material	SGCC, SGHC, DX51D, SGLCC, SGLHC, CGCC, CGLCC
Width(mm)	610-1250mm (after corrugated) Raw material width 762mm to 665mm(after corrugated) Raw material width 914mm to800mm(after corrugated) Raw material width 1000mm to 900mm(after corrugated) Raw material width 1200mm to 1000mm(after corrugated)
Shape	According to different application requirements,the profiled steel sheet can be pressed into a wave type,a Ttype,a V type,a rib type and the like.
Color coating（Um)	Top:5-25um Back:5-20 um or as client’s requirement
Paint Color	RAL code No. or customer’s requirement
Surface treatment	Chromed passivation,anti-finger print,skinpassed.Ral color .every piece surface can be painted logo as customer’s requirement
Grade	Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S350GD,S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490,SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC340 , SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or As Requirement
Pallet weight	2-5MT customer’s requirement
Quality	Softy,half hard and hard quality
Packaging	Export standard ,seaworthy