What is the most common gutter profile used in the UK?

• Half round

• Square section

• Ogee

• Deep half round

Which gutter profile has almost twice the capacity of half-round?

• Square section

• Ogee

• Deep half round

• Half round

What does 'O.G.' stand for in the context of rainwater systems?

• Oval Gutter

• Ornamental Gutter

• Original Gutter

• Overhanging Gutter

Which rainwater pipe section is the most rigid?

• Half round profile

• Round rainwater pipes

• Square rainwater pipes

• Deep half round or storm flow

What is the disadvantage of using square rainwater pipes?

• Not as rigid as round pipe

• Tends to block easily

• Fittings can be spun in any direction

• Common pipe size across all manufacturers

What is the advantage of using ogee guttering?

• Caution should be exercised when adding to existing gutter systems

• Offers a lightweight and long-lasting alternative to cast iron gutters

• Good capacity and flow rate

• More rigidity than half-round type gutter profiles

What is the disadvantage of using square section gutter?

• Not all manufacturer’s gutters and fittings are interchangeable

• Must be installed to the correct fall

• It can silt up very quickly because of its flat bottom

• Some makes are no longer available and will not fit modern equivalent shapes

What is the advantage of using deep half round or storm flow gutter profile?

• It gives good flow when laid to the correct fall, with little sediment build up

• All manufacturers use a common size

• Fittings are interchangeable between manufacturers

• Converters to other profiles and materials readily available