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:
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 casted to be used as open channels or casted with Angle Iron inserts to accommodate grids
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 casted to a height and width that is custom made to suit your site conditions and flow capacity.
Channels are also casted in Medium Duty of Heavy Duty depending on the application. Extra Heavy Duty Channels to take Heavy Duty Vehicle Traffic can be casted with Angle Iron Supports to fit gratings to accommodate Shopping Centres, Distribution Centres and Transport and Logistic Yards.
V Drains are casted to suit site requirement.
We have a standard V-Drain of 1200mm wide.
Any other V-Drain will be quoted on request and the length will be determined by the size required and the calculated weight.
Channels can be casted to be used as open channels or casted 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
Extra Heavy Duty Channels designed for high volume traffic areas or heavy duty vehicles
Channel and Kerb Inlets
Stormwater Manhole Slabs
Frequently Asked Questions
No, our only branch is in Olifantsfontein, Gauteng
Yes, we accept any number of orders. Even once off items.
Yes, we are ready to handle any custom order.
E-Mail your request with drawings or dimensions to us. Please include company detail quantity required and delivery address in your request.
Yes. Twinstar specializes in custom precast concrete products.
Lead time depends on the product and quantity ordered and will be confirmed at quote stage.
Yes, you can supply lids, grids, vents etc for us to cast into you product.
Unfortunately we do not have card facilities. We accept Cash, but prefer EFT payments
Yes – Registration Number MAAA0946926