This innovative technology is increasingly popular for waterproofing in low water pressure environments. In 2013, ITAtech published guidance on the design, specification and application of spray applied waterproofing membranes. Since then, spray applied waterproofing has been used on many high-profile projects. The ability of the sprayed membrane to naturally bond to wall surfaces means that linings can be designed as composite structures which is ideal for use in combination with sprayed concrete. The bond prevents the migration of water that may occur with other traditional membranes.
Thin Spray-on Liners (TSL) were originally developed in the mining industry to cope with rock burst. Minova engineered polymer modified cements are designed to provide fast-acting, highly ductile rock support and are ideal for immediate rock support in challenging ground conditions. Minova structural membranes are a high-performance alternative to conventionally sprayed concrete where fast-acting support is needed, small volumes are required, or space is limited. This makes Minova TSLs highly suitable for application behind the Front Support, in hard rock gripper TBMs, or in mining and tunnel repair projects.
Our TekCrete Fast was originally developed in conjunction with the University of Kentucky and U.S. Homeland Security to aid the work of the first responders and allow them to enter shock-damaged buildings. The result was a sprayable, super-fast setting and hardening structural shotcrete.
TekFlex® is safe to handle and apply using conventional systems and can be hand applied or mechanically applied. No specific ventilation requirements are necessary for the application with only conventional PPE required.
With Minova quality, TekFlex® Dry Spray is a cement-based spray material designed with superb flexibility, high tensile strength and excellent adhesive qualities.
The product enhances the structural integrity of the rock and forms an impervious barrier, which eliminates the degrading effects of weathering.
TekFlex Dry Spray is an all powder version requiring only the addition of water.
Material coverage at a thickness of 1/6” is theoretically 50 ft2. Actual coverage will likely be less due to surface roughness or inconsistency.
TekFlex® PM is a non-shrinking cement that dries to a durable off-white finish. It is especially suited for large remediation or preventative sealing projects.
TekFlex® PM was specifically designed for pumping through Minova Apex machines.
The convenience of the self-contained Apex machine allows for fast and easy application as it meters and mixes the proper amounts of water, accelerator and powder as it pumps the material.
TekFlex® PM may also be used with TekFlex® PM Accelerator to provide a near instantaneous set time. When pumped through Minova designed air-powered, hydraulic-powered equipment or a standard dry process (gunite) shotcrete pump TekFlex® PM has a pumping life of up to 30 minutes with a set time of 5 to 8 hours.
TekCrete Fast was developed in response to customer demand for a shotcrete (gunite) with effectively immediate strength on application. TekCrete Fast may be used with or without steel or polymer mesh, although the use of mesh will provide additional tensile and flexural strength.
Fiber reinforced, this product offers superlative adhesion characteristics with typical compressive strengths over 11,000 psi. It is ideally suited for use where immediate structural strength is required.
Binding broken base material together for better structural integrity, TekCrete Fast can be used anywhere where conventional shotcrete (gunite) is used and with any coating or sealant. It performs best when applied as soon as possible after the base material is exposed. Including rebound, TekCrete Fast has a surface coverage of approximately 8.2 ft2 per 60lb. bag at an application thickness of 1⁄2“.
Supplied as a ready to use dry powder, formulated for dry mix shotcrete (Gunite) requiring only the addition of water.
The required low water-to-cement ratio ensures high early (and ultimate) strengths.
TekCrete Pro's shrinkage compensation minimizes stress at the bond line. It may be applied wet but ask Minova for guidance. Each 60lb bag of TekCrete Pro contains approx. 0.45 cubic feet of material.
Tekcrete™ Pro 1500 is ideal for large vertical and overhead structural repairs where a rapid hardening product is needed.
Supplied as a ready to use dry powder, formulated for dry mix shotcrete requiring only the addition of water.
The controlled set feature allows 10-15 mins of working time for troweling if needed. Very high early and ultimate compressive strengths are achievable. Each 60 lb bag of TekCrete Pro 1500 contains approximately 0.45 cubic feet of material.
TekNite was developed in response to customer demand for a more easily applied gunite with improved adhesion.
TekNite can be applied via a variety of Minova approved electrical, air-powered and hydraulic-powered equipment.
When pumped wet, TekNite has a pumping life of up to 30 minutes and sets in 5 to 8 hours. TekNite is especially suited for large remediation or preventative sealing.