Astino C & Z Purlin

High Degree of Consistency and Accuracy

ASTINO C & Z PURLIN


Astino produces a wide range of C and Z-Purlins are roll-formed from high-tensile zinc coated steel. The cold roll forming process ensures a high degree of consistency and accuracy in the dimension of the sections. The C and Z-Purlins are supplied according to length and pre-punched holes either round or elongated on the webs, thus enabling immediate installation at site.

Material Specification
Fire Rating

Class “0” fire rating according to BS 476: Part 6: 1989 “Method of Test for Fire Propagation for Products” & BS 476: Part 7: 1997 “Fire tests on building materials and structures. Method of test to determine the classification of the surfaces spread of flamed of products”.

Tolerances

Astino C-Purlins are produced within the following tolerances:
Length: ±5mm
Web (Dim. H): ±3mm
Flange (Dim. B): ±3mm
Hole centres: ±2mm
Thickness: ±0.18mm

Quality Assurance
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QUALITY ASSURANCE, COMPETITIVE PRICE, ON THE DELIVERY

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QUALITY PRODUCT WITH PROVEN SUPPLY RECORDS

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HIGH DEGREE OF ACCURACY AND CONSISTENCY IN DIMENSIONS

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DIFFERENT THICKNESS AVAILABILITY TO SUIT CUSTOMER’S NEEDS

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HIGH TENSILE STEEL ; LOW WEIGHT

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PRE-PUNCHED HOLES AND CUSTOM CUT LENGTH

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GREATER STIFFNESS AND STRAIGHTER CLADDING LINES

C-Purlin: Specifications and Section Properties


DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

Z-Purlin: Specifications and Section Properties


DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

Pre-Punched Hole Arrangement and Options

Astino Galvanized C and Z-Purlins are manufactured in custom cut lengths. It can be supplied either with or without punched holes. If punched holes are required, the following are pre-punched holes arrangements and option.

DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

C And Z-Purlin: Pre-Punched Hole Arrangements and Options

The purlin load table are derived in a accordance to BS5950 : Part 5 : 1987 “Code of Practice for Design of Cold Formed Section” with maximum roof pitch 30° and roofing sheet distributed load 6.55kg/m².

Maximum Allowable Span (M)


Precautions

Contact between galvanized steel and incompatible materials (e.g. Copper tube) must be avoided as premature corrosion could happen. Purlins should be stored of the ground on a slightly sloped position.

Delivery, Storage and Handling
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Upon delivery, exercise care in unloading, stacking, moving, storing and erecting to prevent twisting, bending, scratching, or denting.

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Store it in a safe, dry environment under a waterproof covering.

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Allow adequate ventilation to prevent condensation.

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Purlins should be stored off the ground on a slightly sloped position.

DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

C-Purlin and Z-Purlin Support Details

C-Purlin Simple Span Support Details


Z-Purlin Lapping Details at Support


Alternate Bridging and Tie Rods


DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

Purlin Accessories

Purlin Bracket


Tie Rod


DISCLAIMER: The information on the materials presented herein is provided for informational purposes only. Astino shall not be liable for any loss or damage whatsoever arising from, but not limited to the usage of information provided. Any omission, error, typographical errors and technical inaccuracies relating to the information may be changed or update without notice. Tolerance may occur and they are subject to change and variations in accordance to finished product’s condition. We reserve the right to alter specification and other information without notice.

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