Tata Steel & Dongbu coil
Up to 30 years warranty on polyester finishes
Cut to length in Cappoquin

Sigma Steel Purlins

145 x 65, 175 x 65 And 205 x 65

Sigma steel purlins in three section sizes, with galvanised steel options, for agricultural and industrial steel-framed buildings. Supplied from Cappoquin with the sheets that go on them.

Steel purlins
PURLIN RANGE

Sigma purlins in three sizes

Our Sigma steel purlins are for agricultural and industrial steel-framed buildings. Thickness and length are set by the specification for your building, so send the section size, the quantity and the lengths with your sheet lengths and we price the whole order together.

Our purlin range:

145 x 65mm

175 x 65mm

205 x 65mm

Galvanised steel options

Supplied with your sheets

Priced with the roof

IN SECTION

The three sections, to one scale

Compare the depths side by side or overlaid, and tap a size to pick it out.

Sigma steel purlins in three sections, drawn to the same scale: 145 by 65 mm, 175 by 65 mm and 205 by 65 mm. The first figure is the depth, the second the flange width. Galvanised steel options. Thicknesses and lengths to your specification. For agricultural and industrial steel-framed buildings.
Sigma purlins, in section

Drawn to one scale for depth and flange width. The lips and web stiffener are schematic.

Finish
Galvanised steel options
Thickness and length
To your specification
For
Agricultural and industrial steel-framed buildings
SPECIFICATION

Sigma steel purlins

The section sizes we supply. Thickness and length are set by the specification for your building.

A steel-framed shedRoof and walls
Inside a steel-framed shed: box profile roof and walls on a red steel frame
TypeSigma steel purlins
Section sizes145 x 65mm, 175 x 65mm and 205 x 65mm
FinishGalvanised steel options
Thickness and lengthDifferent thicknesses and lengths, subject to specification
UsesAgricultural and industrial steel-framed buildings
Goes withMW5 box profile and 13.5/3 corrugated sheets, cut to length

Need the full spec? Datasheets, profile drawings and warranty documents are available on request. Ask on the quote form or give us a ring.

ALSO FROM THE FACTORY

Everything else for the roof, from one supplier

Folded steel flashings
Folded in Cappoquin

Flashings and folded steel

Made to your sizes up to 6.4 metres on our CNC press brake, colour-matched to your sheets.

Steel box gutters and downpipes
Rainwater

Gutters and rainwater

Bevel, box, self-hanging and highline gutters, galvanised or in FarmShield Plus material.

A box profile sheet coming off a roll former
Box profile

MW5 box profile

1000mm cover for roofs and walls, in PolyShield, Plastipro or FarmShield Plus. Cut to your lengths.

A white 13.5/3 corrugated roof
Corrugated

13.5/3 corrugated

The traditional corrugated sheet, plus curved and cocktailed sheets.

A stack of Juniper Green box profile sheets
Agri cladding

FarmShield Plus

Our best seller for agricultural buildings: 0.6mm steel in Juniper Green, Slate Grey and Slate Blue.

WHAT CUSTOMERS SAY

What our customers say on Google

LiamGoogle review

We operate a large scale shed erecting company and I have to say the lads have been by far the best we have dealt with. Service is absolutely super and they will never see you stuck for anything even if you've left yourself short on a job they have moved mountains to get stuff to me so I'm not delayed. Could not recommend enough..

james corcoran hodginsGoogle review

Great service and good quality. The lads looked after me and made up custom trim pieces to my measurements. Would definitely recommend, and will get anything else I need from them in the future.

sean dalyGoogle review

Lovely family business and dead easy to deal with

Mark Mc GuirkGoogle review

Pleasure to deal with. Top quality products and great value for money 👌

GET A PRICE

Send us the lengths, we price the job

Fill in the form, or ring and read them out. Our sales team is on the phones.

What to send us

  • Lengths and quantities
  • Profile and gauge
  • Colour and finish
  • Flashings, clearlights and fixings

Your details and the job

Pricing a shed frame and roof? Send the purlin sizes with the sheet lengths.

Get a price