What is the typical gutter size for PVCu?

• 100mm

• 112mm

• 125mm

• 150mm

How is extruded aluminium gutter formed?

• Formed from a roll of steel by a special machine on site.

• Formed from a roll of aluminium by a special machine on site.

• Formed from a roll of plastic by a special machine on site.

• Formed from a roll of copper by a special machine on site.

What is the main disadvantage with cast iron gutters?

• It is resistant to corrosion.

• It has smooth internal bore for better flow rates.

• It is expensive and heavy.

• It is lightweight and flexible.

Which 3 methods are used to manufacture lead gutters?

• Casting, steel welding, bossing.

• Casting, lead welding, bossing.

• Extrusion, lead welding, bossing.

• Casting, lead welding, soldering.

What is the main advantage of PVCu guttering?

• It has smooth internal bore for better flow rates.

• It has strength and flexibility.

• It is very heavy.

• It is light in weight making it easier to handle.