European tree worker
steel fibers
Galvashield XPT
reinforcement of wooden beams
CFRP laminate reinforcement
Aslan 100, GFRP rebars
Roof reinforcement with GFRP rebars of cathedral in Tenerife
Aslan 600, GFRP dowels in pavement
Reinforcement and cathodic protection for civil structures
Welcome to Fortius

FORTIUS is supplying special building products, such as composites and fibres for the construction industry, in particular for the internal and external strengthening of concrete, masonry and wood.

Also different systems to protect steel in concrete and masonry by cathodic protection.

Self Healing agent, Basilisk, for concrete basin

Water basin repairs itself due to Self-healing Concrete

A water basin of Port of Rotterdam has been constructed with special concrete walls. Due to addition of Basilisk Healing Agent to the concrete the walls will be able to heal itself when cracking occurs. The system is based on bacteria which, when subjected to water contact, will precipitate limestone which will gradually seals the cracks. The technology has been developed at the TU Delft and has been applied in practice due to the corporation of BAM Infra and Basilisk. Available on exclusive base in Belgium through Fortius, Diest

The basin is tank constructed out of four concrete walls. The basin has a length of 47 meters, a width of 5.5 meters and a height of 5 meters. Two walls has been constructed with plain concrete, whereas the other walls has been constructed with the addition of Basilisk Healing Agent.

During the construction there has been no noticeable difference observed in the workability of the Self-healing concrete mixture compared to the plain mixture. Also tests show that there has been no significant difference in the strength development comparing both mixtures (mixtures where identical except the addition of the Self-healing additive).

Cathodic protection of bridges in Flanders with Galvashield anodes

Cathodic protection of bridges in West Flanders with sacrifical anodes

The Sas Slijkensbrug which connects Bredene with Ostend is being completely renovated. The works are carried out by Renotec on behalf of the  Road and Traffic Agency of the Flemish Government.

The works include performing concrete repairs in the bridge structure and modernizing the railings. The bridge deck gets a new waterproof membrane while the road and footpaths are renewed. Finally, the bottom of the bridge is painted again.

During the repair of the underside, pit corrosion of the reinforcement was diagnosed.

Deteriorating waterproofing and the use of deicing salts make that reinforcement in the bridge deck, joints and land heads corrode. As a result, the concrete is damaged.

This concrete damage is progressive and the damage image consists of either cracking of concrete or rust spots. In case of attack with chloride, the reinforcement show pitcorrosion. Such attack is not unusual in bridges and can affect the stability of the bridges.

During the repair of the bridges, further corrosion of the reinforcement can be stopped by the installation of the Galvashield sacrificial anodes of Fortius, Diest.

For this, the Cl content (> 0.40% on cement content) and the amount of internal steel are determined. This data allows to determine the required amount of sacrificial anodes.

This system provides a durable solution and prevents recurring damage. It thus provides additional protection of the reinforcement steel and extends the service life of the repair and the bridge.


Batisecc, injection material against humidity in walls

Batisecc, injection material against humidity in wall