We manufacture SABS Approved polymer concrete/ composite manhole covers and frames since 2007. Our product has no scrap value. Strength of up to 40kN or 40 Ton. Located in Stikland Western Cape, we deliver anywhere with our wide range of logistic partners.
Applications of our product includes:
- Civil
- Construction
- Fibre optic
- Plumbing
- Irrigation
- Electrical




What our clients says


We are more than satisfied with your product and would recommend it to others. For any clarity regarding the above, please contact the undersigned
Anonymous Mechanical & Electrical Projects


Polymer Concrete” is the answer to the theft of Manhole Covers & Frames, Because it has no Metal content.
We have not had any complaints since we have been using the Product. The Product is Manufactured of a Very High Quality and Standard.
City of Cape Town


We are absolutely impressed not only with the quality and durability of the product but the outstanding service we received. We would recommend National Manhole Covers that were looking to purchase Polymer Concrete Manhole covers and frames.
Johannesburg Distributors


I received my two manhole covers thank you very much – your service was very professional and quick thank you