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30/1000 Box Profile Steel Cladding

30/1000 box profile galvanised finish Click an image to enlarge.
30/1000 Box Profile Steel Cladding
Please be aware that this profile is now discontinued.

For our closest alternative with a standard lead time please use our 32/1000 box profile
Unsure about your sheet sizes or flashings? You can enter your roof dimensions into our online quote calculator or contact us

Additional information

Please select a tab below for further information:

Box profile steel cladding (or box section) is a modern alternative to traditional 3" corrugated iron (or wriggly tin) metal roofing sheets. Initially used predominantly on industrial buildings its modern appearance has resulted in box profile steel cladding becoming more popular with domestic users.

Our 30/1000 box profile metal sheet cladding is 30mm high and offers a maximum cover width of one metre once laid. This profile is available in galvanised only and galvanised steel with a paint or PVC plastisol coating.

Profile: Accord 30/1000

Recommended purlin centres* 0.5mm gauge: 0.600m (approx 2ft)

Recommended purlin centres* 0.7mm gauge: 1.200m (approx 4ft)

Cover width: 1000mm

Profile height: 30mm

Pitch: 200mm

Available gauges: 0.5mm & 0.7mm

Cut to size

Approx lead time: 15 to 20 working days

* Recommendations are for guidance only and may differ depending on building scenario. Always consult a structural engineer for accurate structural support information.
Please be aware that slate grey polyester paint is only available in 0.5mm gauge and as such flashings are not available in this colour, the closest available polyester paint colour would be anthracite. Alternatively a contrast could be used.


Self coloured

galvanised steel
Galvanised (Z275)
Self Coloured

Coated galvanised steel colours

Goosewing Grey Merlin Grey Slate Blue Black

BS: 10A05
RAL: 7038

BS: 18B25
RAL: 1804005
Slate Blue

BS: 18B29
RAL: n/a

BS: 00E53
RAL: 9005
Olive Green Juniper Green Vandyke Brown Terracotta
Olive Green

BS: 18B27
RAL: 1003020
Juniper Green

BS: 12B29
RAL: n/a

BS: 08B29
RAL: 8025

(Copper Beech)

BS: 04C39
RAL: 8004
Special colours are available on request and are subject to minimum orders. Please contact us with your RAL or BS colour reference to discuss the options available to you in more detail.
7 digit RAL reference are RAL Design references
1 Slate Blue paint available in 0.7mm gauge only
2 Black PVC plastisol available in 0.7mm gauge only
3 Terracotta PVC plastisol available in 0.7mm gauge only
All colours and finishes shown are web representations. Although we make every effort to show our products in their original colours, due to photography and individual monitors, actual colours may vary. BS and RAL colour references represent the nearest colours and are not an exact match to the colour coating. Metal finishes are not colours they are the natural colour of the material which can vary, images shown are representative as colour coatings and metal finishes can differ from batch to batch.

Anti condensation liner explained

This simple method of rolling a flock material to the underside of our box profile and corrugated sheets reduces the risk of condensation* and drastically cuts the cost associated with full insulated panels.

* Anti condensation requires good air circulation around the sheet to allow water held by the liner to evaporate away. If you are using foam fillers you should notch them out to allow air circulation, alternatively we can quote on the manufacture of custom foams with mesh inserts to allow ventilation. Minimum recommended roof pitch is 10° for liner to be fully effective.
Manufacturing sheets with anti condensation liner may effect the end lap details of the profile. For instance 14/3 corrugated profile may finish on upturns on both sides of the sheet. 

Please click on the video below for a time-lapse video:

Adding anti condensation liner to our roof sheets is a cost effective method of handling condensation problems in many buildings. If you believe that there is a chance of condensation we would highly recommend Dripstop anti condensation liner as an extremely effective solution.

Controlling condensation

When the temperature and humidity conditions in the building reach dew point, moisture will condense on the underside of an uninsulated metal roof sheet. If there is a lot of condensation, water droplets will form and start to fall. The traditional method for eliminating build up of condensation is to insulate the roof so that the temperature on the metal sheet never reaches the dew point.

Drip Stop anti condensation liner is pre rolled onto the sheet and will provide a much more cost effective solution than full roof insulation.

Advantages of anti condensation lined sheets

  • Save up to 25% on traditional solutions
  • Durability (Drip Stop anti-condensation felt liner is not susceptible to ripping, tearing or deterioration like standard insulation and vapor barriers are)
  • Easy to clean (with hose or pressure washers)

The Drip Stop solution

Roofing sheets lined with Drip Stop anti-condensation material provide a medium for trapping this moisture in the specially designed pockets formed in the membrane. Drip Stop holds the moisture until conditions go back below the dew point. The moisture is then released back into the air in the form of normal humidity.

Drip Stop is self adhesive felt liner that is applied to our sheets during the roll forming process. This means that the sheets will arrive with you with Drip Stop already in place, ready to be installed immediately. Your sheets are then installed as normal.

Finish data


Galvanised sheeting is a high quality hot dipped zinc coated steel with no additional finishes added.

Please be aware that galvanised sheets cannot usually be painted until they have weathered. This usually takes approx 6 months. If a more durable coloured finish is required please consider using paint or PVC plastisol coated sheets

Typical properties

PropertyUnit of measureValueTest standard
Standard zinc coating (g/m2) 275 (Z275)
Minimum yield stress (N/mm2) 220 (S220GD) EN 10147:2000
Bending and profiling quality DX51D EN 10142:2000
Estimated time to first maintenance*:
Dry and unpolluted
Suburban and rural
Industrial and urban


Fire classification A1 BS EN 13501
*Recommendations for period to first maintenance are based on the premise that the strength and integrity of sheets would diminish after the period specified, unless maintenance was carried out. The periods estimated are based on a theoretical weight loss as a result of natural weathering under test conditions. All figures are estimates and do not constitute a guarantee period.

Polyester and metallic paint

Paint coated sheets are a very high quality galvanised steel sheets with a primer paint finished with a final layer of polyester or metallic paint.

Six standard colours*

Galvanised substrate to BS EN 10346:2009 and primed undercoat offering excellent corrosion resistance

Please be aware that polyester paint coated sheets are susceptible to light scratching during transport. We recommend ordering a tin of touch up paint with these sheets. If a more durable finish is required please consider using PVC plastisol coated sheets
*Anthracite only available in 0.5mm gauge and Metallic Silver only availble in 0.7mm gauge

Typical properties

Polyester Paint

Finish propertyUnit of measureValueTest standard
Nominal organic coating thickness (µm) 25 EN13523-1
Specular gloss (60°) (%) 10-35 EN13523-2
Scratch resistance (g) 3000 EN13523-12
Abrasion resistance (Taber, 250 rev, 1kg) (mg) <30 EN13523-16
Flexibility (minimum bend radius) (T) 1.5 EN13523-5
Adhesion (%) 100 Pass EN13523-6
Corrosion resistance:
Salt Spray



UV Resistance Excellent EN10169
Fire classification A1 BS EN 13501
General notes:
The figures contained in this table are typical for the topcoat and solid colours and do not constitute a specification.

Painted sheets breakdown

Painted sheets with anti condensation liner breeakdown

PVC Plastisol

PVC Plastisol coated sheeting is a very high quality galvanised steel sheet with a primer paint and final layer of PVC Plastisol coating resulting in a very durable end product that doesn't fade or scratch easily.

200µm durable, abrasion-resistant topcoat

Leathergrain embossed finish

Wide colour range

Galvanised substrate to BS EN 10346:2009 and primed undercoat offering excellent corrosion resistance

Manufacturers coating guarantee of up to 25 years to first maintenance*

*20 years for coastal areas (some colours 10 to 15 years see colours tab for more details)

Typical properties

Finish propertyUnit of measureValueTest standard
Nominal organic coating thickness (µm) 200 EN13523-1
Gloss (60°) (%) 15-35 EN13523-2
Scratch resistance (g) 3500 EN13523-12
Abrasion resistance (Taber, 250 rev, 1kg) (mg) <12 EN13523-16
Flexibility (reverse impact) (J) ≥18 EN13523-5
Adhesion (cross hatch) (%) 100 Pass EN13523-6
Minimum bend radius (T) 0 T@16°C EN13523-7
Corrosion resistance:
Salt Spray
Max continuous operating temp. (°C) 60
Reaction to fire Class 0 BS476 part 6 & 7
Resistance to fire Class AA BS476 part 3
C-s3,d0 roof and wall BS EN 13501
External Fire Performance Broof T4,T3,T2,T1 BS EN 13501
General notes:
The figures contained in this table are typical for solid colours and do not constitute a specification.

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