Vetogrout ER717

The substrate must be free from oil, grease, or any loosely adherent material. If the concrete surface is defective or has laitance, it must be cut back to a sound base. Bolt holes or fixing pockets must be blown clean of any dirt or debris.

All cracks must be chased and open to a 2 mm thickness (width generated by a saw blade). 

Remove laitance and roughen 2 cm on each side of the crack using a hand grinder, then clean the surface and all cracks with compressed air. 

Depending on the injection method (surface nipples or injection packers); the surface nipples on the crack face should be fixed using Vetorep ER350 (a twin-pack epoxy putty and leveling compound) before sealing the crack surface with Vetorep ER350. You can also seal the crack surface directly before drilling

The form-work should be constructed to be leak-proof as Vetogrout EG340 is free-flowing. Loss of grout once the  unhardened material is placed will result in the incomplete filling of the gap.

For free flow grout conditions, it is essential to provide a hydrostatic head of grout. To achieve this, use a feeding hopper system. 

For inaccessible deep-section placing, use extendedwidth chains to encourage lateral movement and fill the gap completely. This will eliminate air pockets. For further information & specific advice, contact Saveto.

Pour the entire contents of the hardener container (B)into the base container (A) and mix for 2 - 3 minutes or until a uniform color is achieved. Once mixed, the material must be used within the specified pot life (20 minutes at 40 deg cel.) 

After this time, unused material will have stiffened and should be discarded. 

Note: All surfaces must be dried right before placement.

Mixed product should be applied with standard injecting equipment having closed containers. The injection pressure should be at least 3 bar. Use injecting packers which must be inserted into pre-drilled holes along the length of the crack. The distance between packers depends on the crack’s width and depth. 

After fixing the packers, use epoxy mortar to seal between the packers to allow the resin to penetrate from point to the next. 

For horizontal cracks pour the product directly.

For crack injection, it is recommended to assign the job to an injection specialist. In case of partial mixing, maintain the proportions in volume.

Pour the entire contents of the hardener container into the base container and mix for 2 - 3 minutes or until a uniform color is achieved. Once mixed, the material must be used within the specified pot life (see under Properties). After this time, unused material will have stiffened and should be discarded. 

Note: All surfaces must be dried right before placement.

Ensure that the grout can be placed within its pot life. 

Continuous grout flow is essential. Sufficient grout must be available before the start, and the time taken to pour a batch must be regulated to the time taken to prepare the next one. In the case of under-plate grouting, pouring should be from one side of the void to eliminate air entrapment. 

The hydrostatic head must be maintained at all times so that a continuous grout front is achieved. In case of crack injection, consult your Saveto representative for a detailed method statement, onsite training, support, recommendation, or a specialty-approved applicator (if needed).

Use Vetonit Solvent XX400 to clean equipment before material begins to harden; otherwise, mechanical means will be necessary to remove hardened material.