Capacity
Calculations
  Drawings
  Metal
Compatibility
Guide
  Technical
Glance Chart
  Downpipe
Installation
Guide




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Technical Capacity Calculations

Capacity of Spouting

SPOUTING PROFILE cross section mm (sq)
125mm Half Round 6150
150mm Half Round 8700
1/4 Round 6300
125mm O/G 5800
150mm O/G 9000
Box Gutter 7500
175mm Texan 20100


Fascia Drop Heights / Gable Setup

PROFILE Calculate Drop Height
Fascia 180mm Calculator
Fascia 140mm Calculator


Capacity of Downpipes

Maximum plan area of roof served by downpipe (m2)
DOWNPIPE
SIZE

degrees Roof pitch
0 - 25 26 - 35 36 - 45 46 - 55
65mm Round 60 50 40 35
80mm Round 100 80 70 60
100mm Round 155 130 110 90

Scope of Use

Continuous Spouting systems are solely intended for the collection of water from the surface of the roof. They are not intended to support concentrated or distributed loads heavier than the spouting being full of water (e.g. snow build up). Product performance, life expectancy and warranty are dependent upon environment, maintenance and material selection. Ensure the correct product is chosen for the environment. Installation of Continuous Spouting spouting systems must comply with the following sections of the NZ Building Code E1 Surface Water 4.1.2, 4.2.1, 4.3.1, 5.1.1, 5.1.2, 5.1.3, 5.3.1, 5.4.1.


 
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