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Resources & Tools

resources & tools

Storing of cement bags with Ohorongo Cement

Storing of cement bags with Ohorongo Cement

Ohorongo Cement is distributed in 50 kg bags, 2 ton bags and bulk tankers. Bulk storage silos should be dry and vapor tight. Cement bags should be protected from moisture and kept dry, preferabl...

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The Sunshine Club visits Ohorongo Cement

The Sunshine Club, a Television Program aired on NBC, recently took a closer look at Otavi and Namibia’s only cement producing plan – Ohorongo Cement. Construction of the Ohorongo Cement Plant started in 2009 with first production in 2011, making Ohorongo one of...

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Concrete Properties

Concrete Properties

The sub-processes of mixing, transport, moulding and compaction determine the key requirements for the concrete mix and fresh concrete. Workability is not defined in physical terms and canno...

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Casting Concrete at high temperatures

Casting Concrete at high temperatures

Casting concrete at high temperatures causes early setting, shorter workability and reduction of final strength of the product. Casting, compaction and surface treatment must be executed as fast...

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Your guide to Concreting with Ohorongo Cement

Your guide to Concreting with Ohorongo Cement

Cement Use CEM II B-LL 32.5N cement or CEM II A-LL 42.5N cement, depending on the purpose and function of the concrete. Aggregates: Sand & Stone: Coarse sand (particle sizes ...

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Your guide to Plastering with Ohorongo Cement

Your guide to Plastering with Ohorongo Cement

Cement Use CEM II B-LL 32.5N cement or CEM II A-LL 42.5N cement, depending on the purpose and function of the plaster. Aggregates: Sand As sand is the major constituent of a plaster mi...

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Bricklaying with Ohorongo Cement

Bricklaying with Ohorongo Cement

The properties and quality of mortar mixes in both fresh and hardened states depend to a large extent on the properties of the materials used. This section provides guidance on the selection of ...

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Brick and Block Making made easy with Ohorongo Cement

Brick and Block Making made easy with Ohorongo Cement

Cement Use CEM II B-LL 32.5N cement or CEM II A-LL 42.5N cement, depending on the purpose and function of the brick or block.Aggregates: Sand & Stone The following are common aggrega...

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CEM I 52.5N

CEM I 52.5N

CEM I 52.5N Portland Cement is a hydraulic binder according to SANS 50197. The main component is Portland cement clinker, finely ground together with calcium sulphate, which controls the set...

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CEM II B-V 42.5N

CEM II B-V 42.5N

CEM II B-V 42.5N Portland Fly Ash Cement is a dry powder blend of OHORONGO hydraulic portland cement pozzolanic siliceous Fly Ash according to SANS 50197. The OHORONGO Portland Cement clink...

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CEM II A-LL 42.5N

CEM II A-LL 42.5N

CEM II A-LL 42.5N Portland Limestone Cement is a hydraulic binder according to SANS 50197. The main component is Portland cement clinker finely ground together with high quality limestone and ca...

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CEM II B-LL 32.5N

CEM II B-LL 32.5N

CEM II B-LL 32.5N Portland Limestone Cement is hydraulic binder according to SANS 5097. The main component is Portland cement clinker, finely ground together with high quality limestone and ...

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CEM I 42.5R

CEM I 42.5R

CEM I 42.5 R Portland Cement is a hydraulic binder according to SANS 50197. The main component is Portland cement clinker finely ground together with calcium sulphate, which controls the setting...

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D.I.Y Cement Planters

D.I.Y Cement Planters

This is a really fun DIY project. All you need is some cement mix, molds (aka old dishes or containers) and your imagination. The sky’s the limit with what you can do with this project. ...

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About Us

Ohorongo (Pty) Ltd. is Namibia’s only cement-producing company and owns one of the most modern cement plants in Africa. It was constructed over the course of two years by leading international engineering com...

Our Contacts

Ohorongo Haus
Schanzenweg 35, Klein Windhoek
P.O. Box 86842, Eros
Tel: +264 61 389 300

Cement Plant
Sargberg Plant, North Otavi
P.O.Box 444, Tsumeb
Tel: +264 67 235 7000



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