Headwalls

James Hardie provides an extensive range of pre-cast steel reinforced concrete headwalls for various applications. Walls are available with single, double or triple outlets and in sizes ranging from 225mm to 750mm diameter.

Specifications - Single Outlet
NOTE: For double and triple outlet specifications click the link on the right.

Sloping Headwalls

headwalls

Nominal Pips size DN (mm)

Dimensions (mm)

Weight (kg

A

B

C

D

E

F

300

300

650

650

1210

80

420

685

375

375

650

650

1210

80

485

670

450

450

880

800

1000

80

575

1000

525

525

880

800

1000

80

640

950

600

600

880

800

1000

80

715

900


NOTE: All dimensions are nominal and may change without notice. James Hardie recommends you
check with your local authority for compliance requirements.

Single Headwalls

headwalls

Nominal Pipe size DN(mm) Dimensions (mm) Weight (kg)
A B C D E F G
150

165

800

350

430

350

45

250

65

225

250

800

350

430

350

45

250

5

300

365

1330

550

620

535

75

425

200

375

450

1430

550

670

645

75

390

240

450

530

1500

750

860

850

95

560

400

525

635

1790

970

1000

1200

100

800

820

600

735

1790

970

1000

1200

100

800

815

675

820

1790

970

1000

1200

100

800

800

750

820

1790

970

1000

1200

100

800

800

900

1100

2780

1400

1570

1600

120

800

2200

1050

1206

2780

1400

1570

1600

120

800

2800

1200

1420

2780

1400

1570

1600

120

800

2600


NOTE: All dimensions are nominal and may change without notice. James Hardie recommends you
check with your local authority for compliance requirements.

About Us.

James Hardie is a world leader in fibre cement, developing quality, engineered solutions for building and drainage applications.

With our ongoing commitment to the development and integration of our fibre cement technology, James Hardie has emerged as one of the most progressive, innovative companies across the globe. The James Hardie product range combines high quality, cost effective building systems for residential and commercial buildings, and high performance pipeline products for above and below ground stormwater drainage applications. The benefits inherent in fibre cement continue to deliver real value to clients throughout design, installation, and operation.

Drainage Solutions

James Hardie Pipes recognise that drainage design benefits from the integration of quality componentry to provide a versatile and cost effective solution. This has been the driving force behind the intensive development of James Hardie’s range of pipes, fittings, pit systems, stormwater treatment devices, and product innovations such as the SlimDrain™ pavement system, slotted pipe system and median barrier. This comprehensive range enables designers to employ the cost benefits and performance levels of fibre reinforced concrete throughout stormwater drainage projects.

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