Available in a range of different heights and combination of panel sizes to accommodate all standard manhole rings, ranging from 675mm to 3000mm internal diameter.
- 900mm and 1800mm high panels available.
- Rapid-on-site assembly – no special tools required.
- Constructed from steel or plastic.
- All our Manhole Shutters will provide a minimum of 150mm concrete cover with all propriety pre-cast rings.
The following table details the panel combinations for each manhole ring size along with volume of concrete to provide a nominal 150mm surround
Poly and metal shutters are available as sale items. We recomend the use of Ratchet Straps when casting large Manholes