Sprayed Concrete

MasterRoc STS 1500

Pre-bagged cementitious, single component, structural mortar, usable with specific setting accelerator for wet and dry process shotcrete application.

MasterRoc STS 1500 S is a pre-bagged cementitious, single component, structural mortar, usable with specific setting accelerator for shotcrete application. The material guarantees a workability of at least 60 minutes at 20° C.

MasterRoc STS 1500 S may be applied when the ambient temperature is between +5°C and +35°C. When the temperature is between 5 and 10°C mechanical strength development is slower; in any case it is advisable to keep the bags in a heated environment. When the temperature is between 30°C and 35°C it is advisable to keep the bags in a cool place.

The product must be inserted inside the hopper of the pump for dry application (rotor pump) as it is, depending on the application it is possible to evaluate the use of a special powder accelerator, to be inserted into the hopper together with the product, after mixing between two