Roof Sheeting and Steel Products - Corr-line, South Africa

The overall width of an IBR sheet is 740 mm.

Structural guidelines.

IBR Profile

The structural properties of the various material options can be summarised as follows:

Recommended Maximum Purlin Spacing Metre - IBR
Thickness	0.47mm	0.40mm	0.50mm	0.58mm	0.80mm
Steelgrade	G550	ISQ300	ISQ550	ISQ300	ISQ230
Roof - Single Span	1.65	1.25	1.65	1.75	2.25
Roof - Double Span	1.95	1.40	1.95	2.10	2.50
Cantilever - Roof	0.40	0.20	0.40	0.45	0.55
Wall Single Span	2.35	1.70	2.35	2.60	2.95
Wall Double Span	2.75	1.90	2.75	2.95	3.60
Cantilever	0.90	0.60	0.90	1.00	1.15

Weight per metre	3.194kg	2.897kg	3.615kg	4.197kg	5.798kg
Weight per square metre	4.655kg	4.223kg	5.269kg	6.118kg	8.451kg
Coating type	Zincalume	Galvanised	Galvanised	Galvanised	Galvanised
Coating weight	AZ150	Z160	Z275	Z275	Z275
Paint system	Colorbond	N/A	Chromadek	Chromadek	Chromadek
Thickness Tolerance	±0.03	±0.02	±0.02	±0.03	±0.04

Approximate Life Span Years
Rural area	>30	>10	>20	>20	>20
Industrial/Marine	>20	5-10	10-20	10-20	10-20
Severe Marine	10-20	1-5	3-10	3-10	3-10

Specification

Thickness and Material Quality	Coating	Available Paint system
0.40mm - ISQ300	Z160 Galvanised
0.50mm - ISQ550	Z275 Galvanised
0.58mm - ISQ300	Z275 Galvanised
0.80mm - ISQ230	Z275 Galvanised
0.50mm - ISQ550	Z275 Galvanised	Chromadek
0.58mm - ISQ300	Z275 Galvanised	Chromadek
0.80mm - ISQ230	Z275 Galvanised	Chromadek
0.47mm - G550	AZ150 Zincalume
0.53mm - G550	AZ150 Zincalume	Colorbond

FACT SHEET

Overall Width: 740 mm

Effective Cover: 686 mm

Thickness: 0.47 - 0.8 mm

Length: 1.5 - 14 m

Material: Various

Technical Data

TEL:	+27 (0)12 804 5272
EMAIL:	sales@corr-line.co.za