IBR Roofing Sheet for Roofing

Yearly capacity: 700,000 tons
Thickness: 0.40mm-0.55mm
Zinc coating: Z150/Z200/Z275 galvanized & AZ150 galvalume
IBR Profile: IBR 686 & IBR 890
Roofing type: accept customization


We provide solutions to all roof sheeting requirements. We offer cranking and bullnosing services for IBR and Widespan to ensure profiles are manufactured to your specifications. IBR sheet is currently the most popular corrugated roofing sheet, given its high strength-to-weight ratio, optimal load span consistency and effective drainage.

IBR (inverted box rib) is a square fluted profile with an effective covering width of 686 mm designed for use, as side cladding or roofing material in commercial, industrial and residential buildings.

Thickness Material QualityCoating
0.40 mmISQ550Z150 Galvanized
0.47 mmISQ550Z150 Galvanized
0.47 mmISQ550Z275 Galvanized
0.50 mmISQ550Z275 Galvanized
0.58 mmISQ300Z275 Galvanized
0.80 mmISQ230Z275 Galvanized
0.50 mmISQ550Z200 Galvanized
0.58 mmISQ300Z200 Galvanized
0.80 mmISQ230Z200 Galvanized
0.47 mmG550AZ 150 Aluzinc/Galvalume
0.55 mmG550AZ 150 Aluzinc/Galvalume
0.50 mmG550AZ 150 Aluzinc/Galvalume
0.55 mmG550AZ 150 Aluzinc/Galvalume

IBR Profile: IBR 686 & IBR 890


Recommended Maximum Purlin Spacing (Meters) -IBR

Thickness Steel Grade0.40mm
ISQ550 G550
Roof-single span1.251.651.651.751.752.25
Roof-double span1.401.951.952.102.102.50
Wall-single span1.702.352.352.602.602.95
Wall-double span1.902.752.752.952.953.60
Weight per meter2.897 kg3.194 kg3.615 kg3.833 kg4.197 kg5.798 kg
Weight per m24.223 kg4.655 kg5.269 kg5.587 kg6.118 kg8.451 kg

Available Colors



Jianglin Corportion has 3 Production Lines.

SpecificationRolling productionGalvanizing productionPPGI &PPGL production
Installation time200220082012
Capacity700,000 tons650,000 tons350,000 tons
Thickness0.12-3.0mm(mostly 0.3-0.8mm)
Coil weight3-15 MT
Base materialCold rolled, GI, Aluzinc coil
Paint TypePE, SMD, HDP, PVDF
Function SurfaceDifferent printed pattern(marble, wooden grain), antifinger, static free, chameleon


1.Cold Rolling Production

Jianglin is equiped with 3 production lines of 6 rolls rolling machinery guarantee the precise thickness of the coils. Yearly processing capacity is more than 700,000 tons.

2.Galvanizing Production Line

Jianglin is equipped with 3 production lines of galvanizing including one Zinc coating line and two Aluzinc production line. Yearly production is around 600,000 tons. Some of the cold rolled coils are sold to different factories.
For thickness, we focus on 0.3-0.8mm. Most of Shandong market galvanized coil are from Jianglin.

3.PPGL and PPGI Production Line

Jangling PPGI &PPGL is mostly for oversea clients, which has high quality requirement on zinc coating thickness.


Jianglin Steel corporation is strictly applying 6S management system. For past 5 years, though the global steel market is under very tough environment, we have reached up to 5%-9% revenue increase.



There are basically two kinds of packing methods.

Standarded sea freight packageSimple package for short delivery



For each and every batch of GI, PPGI, PPGL, we will check all the thickness, surface, and other parameters, just to guarantee the quality. Meanwhile, we have compelte order tracking system to make every coil trackable. Any mistake happening, we will be responsible.


Jianglin with production capacity of 700,000 tons per year, we have been collaborating the listed shipping companies in the world including COSCO, WORLD WIDE LOGISTICS, CMA, and other shipping companies. During the peak season when containers are hard to book, we always enjoy the previlige to book the shipment with a suitable price and schedule

Payment Terms

Jianglin is ready to accept any reasonable payment terms including LC , just hope for a win win situation. Meanwhile, we also collaborate with Alibaba. Alibaba safety guarantee order is welcome.


1.What is the minimum order quantity (MOQ)?
– Normally, the MOQ for one coil is 1 ton.

2.What is the payment method?
– For new customers: 30%T/T deposit 70%T/T Before shipment.
– For partners and distributors, 30%T/T deposit 70% T/T Against B/L Copy.

For strategic partner, we can accept 30days LC.

3.What is the acceptable currency?
– We accept USD, EUR and RMB.

4.What is the delivery time?
– 5-10 days in advance depending on the stock status.

5.Where is the loading port?
– Normally, our loading ports are Tianjin, and Shandong. Or client can assign any port in China.

6.What is the delivery term?

7.Do you offer free samples?
– Yes, based on our stock status, we will send our customer free samples. The express fee is to be paid by our customers.