Simem Underground Solutions designs, engineers, and manufactures site-ready CRF/CAF, Paste Backfill, Shotcrete, and Grout plants with pumping systems for on-surface and underground mining, tunnelling, infrastructure and heavy construction projects worldwide.
Trusted Solutions with Proven Results
Simem Underground Solutions specializes in the global design and supply of cemented aggregate backfill and pastefill plants, slurry and bi-component grout plants, long distance pumping systems, and fully-automated material handling solutions.
Simem Underground, located in Abbotsford, BC, has a talented team of engineers and designers dedicated to providing reliable solutions for tunneling and mining. This diverse group of professionals brings expertise in various areas, including equipment design tailored specifically to individual projects. Additionally, they offer operator training, installation, and commissioning services. Simem Underground also provides technical support and spare parts to effectively meet all client needs.
Simem Underground Tunnelling Solutions

Approaching 1,600 km of Tunnelling
Featuring fully-automated high-shear colloidal mixers, our bi-component grout, cellular concrete, and bentonite mixing plants offer unsurpassed mixing quality with reduced labor requirements and measurable raw material savings. Our customers recognize our products as essential for project success, thanks to their high quality and durable reliability. We are globally recognized for our consistent delivery of reliability, which is essential for achieving project goals. Therefore, our commitment to excellence enables us to meet and exceed expectations, ensuring successful outcomes for our clients. Additionally, this reliability fosters trust and strengthens partnerships, which are crucial in today’s competitive landscape.
Simem Underground Mining Solutions

Over 100 Million Tonnes of Backfill Produced
With decades of mining experience, our dedicated team of engineers and designers provide custom backfilling solutions for the global marketplace. For projects that require a fixed pastefill plant on the surface or a semi-mobile cemented rockfill plant underground, we deliver a complete solution from the initial concept all the way through to final commissioning.
Genuine Simem Underground FAQs
SimemUG (a SIMEM Company), is a single-source supplier and service provider of CRF/CHF/Paste Backfill Plants, Mixers, Binder Systems, Shotcrete Plants, Bi-Component and Lightweight Cellular Grout Plants and Grout Pumping Systems for Mining and Infrastructure Tunneling projects Worldwide.
We specialize in both fixed and mobile on-surface or underground Cemented Aggregate/Cemented Rock Fill (CAF/CRF) Plants. Additionally, we offer a range of services including Pastefill Plants, Mixers, and Binder Systems. Furthermore, our expertise extends to Cement and Bentonite Slurry Plants, Bi-Component Grout, and Lightweight Cellular Concrete (LCC/LDCC) Plants. Finally, we also provide long-distance grout application Pumping Systems to ensure efficient and effective operations.
Our bi-component grout, bentonite, and cellular concrete plants feature fully automatic operation with high-shear colloidal mixers that boast 99%+ batch accuracy. This technology ensures precise mix quality, reduced operating costs, and optimal raw material utilization. We proudly present our masterfully engineered Planetary, Twin-Shaft Batch, and Continuous Paste Mixers, refined over six decades of rigorous testing. These mixers have earned global recognition as the preferred choice for the most prestigious and demanding projects around the world.
Our solutions are used in underground hard rock mining, infrastructure tunneling, and heavy construction projects, where reliable and dependable equipment for backfill, grout, and concrete production is mission-critical to project owner success.
Simem Underground Solutions is headquartered in Abbotsford, British Columbia, Canada, and serves the infrastructure tunneling and underground hard rock mining sectors worldwide.
Our team includes a seasoned core of highly experienced engineers, project managers, and technical professionals with years of industry-backed know-how. The team is organized to provide focused expertise across multiple disciplines for project success, ranging from initial design, fabrication and production, logistics, installation, and equipment commissioning to ongoing support services, operator training, and spare parts fulfillment.
Our team offers a dedicated technical support department, operator training, and planned maintenance support. Our USA and Canada based warehouse of in-stock inventory fulfills our customers’ maintenance needs… planned or otherwise!
We focus exclusively on underground mining and infrastructure tunneling applications, leveraging Simem’s globally recognized manufacturing history of top-tier production machines. Our team combines deep industry experience, worldclass production practices, and unmatched equipment reliability to provide assured execution for project success.
With over three decades of experience and hundreds of projects to our name, in the underground mining and infrastructure tunneling sectors, our equipment has produced over 100 million tonnes of mine backfill and annulus grout for nearly 1,600 kilometers of concrete lined tunnels.