STORMWATER

Twinstar Precast will cast your Stormwater related slabs to your requirements. Stormwater slabs are designed and manufactured according to your need, shape, and size.

We cast slabs for:

Light Duty, Medium Duty, Heavy Duty, or Extra Heavy Duty applications.
For shopping Centres, Distribution Centres, Parking Areas, Residential and much more.
We offer the service of casting in Cast Iron Grating, as well as Polymer Gratings.
Slabs for Junction Boxes can be made in any shape and size to fit your specific Stormwater Junction Box.

STormwater channels

We offer a range of Stormwater Channels including Half Round Channels, Equal Leg or U-Channels, Taper Chute Channels, and other stormwater drainage channels.

Channels can be cast to be used as open channels or cast with Angle Iron inserts to accommodate grids

stormwater specifications

Twinstar manufactures a few standard stormwater channels but we offer the service of casting channels to suit your specific need. Equal Leg or U-channels can be cast to a height and width that is custom made to suit your site conditions and flow capacity.

Channels are also cast in Medium Duty of Heavy Duty depending on the application. Extra Heavy Duty Channels to take Heavy Duty Vehicle Traffic can be cast with Angle Iron Supports to fit gratings to accommodate Shopping Centres, Distribution Centres and Transport and Logistic Yards.

water channels

Equal Leg Channels

precast v-drains

V Drains are cast to suit site requirements.
We have a standard V-Drain of 1200mm wide x 1000mm long.
Any other V-Drain will be quoted on request and the length will be determined by the size required and the calculated weight.

equal leg u-channels

Channels can be cast to be used as open channels or cast with Angle Iron inserts to accommodate grids.
Depending on the application we manufacture a Medium Duty U-Channel or a Heavy & Extra Heavy Duty Channel to accommodate traffic areas.
Channels can be covered with solid slabs or grids.
We offer polymer grids directly from our factory, or alternatively, Rectagrid or Mentis Grid can be used.

Twinstar can also supply you with these grids made to suit the channel as well as Fibre Reinforced Plastic – FRP – Grids. These FRP Grids are available in various colours.

extra heavy duty channels

Channels can be cast to be used as open channels or cast with Angle Iron inserts to accommodate grids.
Depending on the application we manufacture a Medium Duty U-Channel or a Heavy & Extra Heavy Duty Channel to accommodate traffic areas.
Channels can be covered with solid slabs or grids.
We offer polymer grids directly from our factory, or alternatively, Rectagrid or Mentis Grid can be used.
These grids are not supplied with the channel but Twinstar will supply the dimensions for easy ordering from your supplier.