Metal Roofing, Cladding, Architectural and Structural Products

C and Z Purlin Manufacturer in Chennai

Features of Purlin in Chennai

Purlin in Chennai is generally cold formed purlins and girts, being efficient and economical structural members suitable for a wide range of building applications. LCP Building Products Pvt. Ltd. is considered as the best purlin manufacturer in Chennai which offers a full range of section depths ranging from 50mm up to 350mm deep for 'C' Purlin and from 100mm to 300mm deep for 'Z' Purlin.Various organization prefer LCP as best purlin supplier in Chennai and overseas.

  • High tensile steel - for high strength and low weight.
  • Available in varied Zinc coating -Z120 GSM, Z180GSM & Z275 GSM in accordance with AS 1397.
  • Full range of Accessories - from brackets to bolts to ensure easy use and installation.
  • Full size range - for ease of design in both C & Z sections.
  • Available in standard (240 MPa/ 345 MPa) and non-standard yield strength.
  • Designed in accordance with AS 1538 and also conforms to BS 5950 and IS 875.
  • Downturn* lip available - For those projects requiring this feature.
  • Special size capability*- non-standard range of special shapes and channels available to suit individual requirements subject to minimum oder quantity and lead time.
C Purlin Properties
GALVANISED PURLIN (GI) COATING MASS : Z 120 GSM

C-Section

Section
Size
Web
Depth
(mm)
Flange
Width
(mm)
Lip
Length
(mm)
Thickness

(mm)
Section
Mass
(kg/m)
C15018 152 64 18.0 1.8 4.213
C15020 152 64 18.0 2.0 4.676
C15023 152 64 18.5 2.3 5.370
C15025 152 64 18.5 2.5 5.834
C18018 180 64 18.0 1.8 4.641
C18020 180 64 18.0 2.0 5.151
C18023 180 64 18.5 2.3 5.917
C18025 180 64 18.5 2.5 6.427
C20018 203 76 19.0 1.8 5.355
C20020 203 76 19.0 2.0 5.944
C20023 203 76 19.0 2.3 6.827
C20025 203 76 19.0 2.5 7.416
C23018 231 62 19.0 1.8 5.355
C23020 231 62 19.0 2.0 5.944
C23023 231 62 19.5 2.3 6.827
C23025 231 62 19.5 2.5 7.416
C25018 254 76 19.0 1.8 6.069
C25020 254 76 19.0 2.0 6.736
C25023 254 76 19.5 2.3 7.737
C25025 254 76 19.5 2.5 8.404
C30025 300 96 26.0 2.5 10.382
C30030 300 96 29.0 3.0 12.443
C35030 350 125 30.0 3.0 14.931

GALVANISED PURLIN (GI) ) COATING MASS : Z 275 GSM

C-Section

Section
Size
Web
Depth
(mm)
Flange
Width
(mm)
Lip
Length
(mm)
Thickness

(mm)
Section
Mass
(kg/m)
C15018 152 64 18.0 1.8 4.258
C15020 152 64 18.0 2.0 4.721
C15023 152 64 18.5 2.3 5.416
C15025 152 64 18.5 2.5 5.879
C18018 180 64 18.0 1.8 4.691
C18020 180 64 18.0 2.0 5.202
C18023 180 64 18.5 2.3 5.967
C18025 180 64 18.5 2.5 6.477
C20018 203 76 19.0 1.8 5.413
C20020 203 76 19.0 2.0 6.002
C20023 203 76 19.0 2.3 6.885
C20025 203 76 19.0 2.5 7.474
C23018 231 62 19.0 1.8 5.413
C23020 231 62 19.0 2.0 6.002
C23023 231 62 19.5 2.3 6.885
C23025 231 62 19.5 2.5 7.474
C25018 254 76 19.0 1.8 6.135
C25020 254 76 19.0 2.0 6.802
C25023 254 76 19.5 2.3 7.803
C25025 254 76 19.5 2.5 8.470
C30025 300 96 26.0 2.5 10.463
C30030 300 96 29.0 3.0 12.524
C35030 350 125 30.0 3.0 15.029
Z Purlin Properties
GALVANISED PURLIN (GI) COATING MASS : Z 120 GSM

Z-Section

Section
Size
Web
Depth
(mm)
Broad
Flange
(mm)
Narrow
Flange
(mm)
Lip
Length
(mm)
Thickness

(mm)
Section
Mass
(kg/m)
Z15018 152 65 61 18.0 1.8 4.213
Z15020 152 65 61 18.0 2.0 4.676
Z15023 152 65 61 18.5 2.3 5.370
Z15025 152 65 61 18.5 2.5 5.834
Z18018 180 65 61 18.0 1.8 4.641
Z18020 180 65 61 18.0 2.0 5.151
Z18023 180 65 61 18.5 2.3 5.917
Z18025 180 65 61 18.5 2.5 6.427
Z20018 203 79 74 19.0 1.8 5.355
Z20020 203 79 74 19.0 2.0 5.944
Z20023 203 79 74 19.0 2.3 6.827
Z20025 203 79 74 19.0 2.5 7.416
Z23018 231 65 61 19.0 1.8 5.355
Z23020 231 65 61 19.0 2.0 5.944
Z23023 231 65 61 19.5 2.3 6.827
Z23025 231 65 61 19.5 2.5 7.416
Z25018 254 79 74 19.0 1.8 6.069
Z25020 254 79 74 19.0 2.0 6.736
Z25023 254 79 74 19.5 2.3 7.737
Z25025 254 79 74 19.5 2.5 8.404
Z30025 300 100 93 26.0 2.5 10.382
Z30030 300 100 93 29.0 3.0 12.443
Z35030 350 129 121 30.0 3.0 14.931

GALVANISED PURLIN (GI) ) COATING MASS : Z 275 GSM

Z-Section

Section
Size
Web
Depth
(mm)
Broad
Flange
(mm)
Narrow
Flange
(mm)
Lip
Length
(mm)
Thickness

(mm)
Section
Mass
(kg/m)
Z15018 152 65 61 18.0 1.8 4.258
Z15020 152 65 61 18.0 2.0 4.721
Z15023 152 65 61 18.5 2.3 5.416
Z15025 152 65 61 18.5 2.5 5.879
Z18018 180 65 61 18.0 1.8 4.691
Z18020 180 65 61 18.0 2.0 5.202
Z18023 180 65 61 18.5 2.3 5.967
Z18025 180 65 61 18.5 2.5 6.477
Z20018 203 79 74 19.0 1.8 5.413
Z20020 203 79 74 19.0 2.0 6.002
Z20023 203 79 74 19.0 2.3 6.885
Z20025 203 79 74 19.0 2.5 7.474
Z23018 231 65 61 19.0 1.8 5.413
Z23020 231 65 61 19.0 2.0 6.002
Z23023 231 65 61 19.5 2.3 6.885
Z23025 231 65 61 19.5 2.5 7.474
Z25018 254 79 74 19.0 1.8 6.135
Z25020 254 79 74 19.0 2.0 6.802
Z25023 254 79 74 19.5 2.3 7.803
Z25025 254 79 74 19.5 2.5 8.470
Z30025 300 100 93 26.0 2.5 10.463
Z30030 300 100 93 29.0 3.0 12.524
Z35030 350 129 121 30.0 3.0 15.029
Specifications

LCP C & Z Purlins and LCP Girts are manufactured from G240 MPa, G345 MPa Steel ranging from 1.6mm thick to 3.15mm thick) with a minimum Z120 galvanized coating (120g/m2) and a maximum of Z275 galvanized coating (275g/m2). All purlins and girts shall be LCP C & Z Purlin sections, supported by submission of effective section properties, purlin capacity calculations and a performance warranty, produced and detailed for this project.

All cold-formed sections conforming to AS 1397 (or equivalent), with zinc coating from Z120 (120g/ m2) to zinc coating of Z275 (275g/ m2) having a minimum yield strength of 240 MPa to maximum yield strength of 345 MPa. All sections should be installed in accordance with the manufacturer’s instructions with particular regard to bolt locations on both web and flanges and lap sizes of 15% span. For more information on appropriate purlin section and other coatings, please contact LCP Building Products Pvt. Ltd., Technical Department.

Direct contact between galvanized LCP C & Z Purlin with other dissimilar material, for example copper pipe (bi-metallic corrosion) or treated timber (chemical corrosion) must be avoided to prevent premature corrosion.

'C'-Purlin

Hot Dip Galvanized

Thickness Web Flange Lip
1.6mm to 2mm 50mm to 180mm 25mm to 50mm 10mm to 15mm
2.5mm to 3mm 190mm to 250mm 51mm to 70mm 15mm to 20mm

TOPHAT

Pre-Galvanized | Pre-Galvalume AZ 150GSM/G550 MPa | POSMAC

Thickness Height Top Base Bottom Base Lip Degree
Mim 0.8 mm to Max 1.2 mm Mim 40 mm to Max 110 mm Mim 36.5 mm to Max 80 mm Mim 20 mm to Max 30 mm Mim 6 mm to Max 12 mm 70° And 75°
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