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Pressed steel box gutter system with seamless membrane lining.

  • Cost effective system with efficient flow and reliable rainwater disposal.
  • Carrier: 0.6 mm / 1.2 mm / 1.5 mm steel, hot dip galvanized.
  • Lining: 1 mm Atlantic polyolefine membrane, factory bonded to carrier. Light grey colour. Thermally stable, highly durable, UV resistant.
  • Section to suit building profile, generally rectangular or trapezoidal.
  • Jointing: External joint strap riveted to carrier. Membrane coverstrip hot air welded internally.
  • Compatible downpipes listed separately.
  • Suitable for use within Bailey Fascias and Soffits as combined Eaves System.
  • Detail design service available from supplier. Installation by recommended subcontractors.

General information


Upper surface: light grey membrane

Underside: self colour galvanized steel

Uniclass 2015

Ss_50_30_02_28 External gravity rainwater drainage systemsPrimary


R10/11 Aluminium gutters

R10/321 Combined fascia, soffit and gutter

R10/335 Galvanized steel gutters

Specification data - External gravity rainwater drainage systems

Product Reference

Atlantic Monsoon Concealed Gutter


As drawing ___

Section (w x h)

___ x ___ mm

As drawing ___


0.6 mm

1.2 mm

1.5 mm


76 mm diameter

102 diameter

150 diameter

72 x 72 mm

102 x 102 mm

150 x 150 mm


Upper surface: light grey membrane

Underside: self colour galvanized steel



Steel, galvanized finish, 6 mm gauge, at 0.6m centres, as standard option.

Direct ___

Self-supporting between two points of continuous structure.

Other requirements


External angle ___º

Internal angle ___º

External joint straps

Stop end left

Stop end right


Standard product features

Plain gutter length:

3 m, modular.

Product Options


  • For estimated flow rates, required number, location and size of downpipes, consult supplier.
  • Girth (maximum): 1.5 m. Total width of metal before pressing.

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