Who We Are

Add It Up:

Filed Engineering + World Class Manufacturing & Fabrication = Guaranteed Engineered Solutions

Rockland provides engineered solutions for extreme applications in hard rock mining and cement operations. We specialize in the robust design of wear parts and mining-duty systems from material handling to screening. As a division of Valley Rubber, Rockland provides start-to-finish projects that include field reconnaissance, engineering and manufacturing. Never a Project to Fail!

Rockland solved our grizzly scalping issues handling our 6' shot rock & sticky material.
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

Our new Rockland Triple Gates out-performed even their own 1 year wearlife guarantee.
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

We went from weekly maintenance, to only once a year at overhaul. That chute is so quiet, handling -12" material at 1,200 TPH that it's unbelievable!
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

After Rockland replaced all 10 chutes on the 3 mile overland beltline, we went an entire year without one neighborhood noise complaint. Problem solved.
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

Our 60 ton raw material surge-bin never again plugged after Rockland designed & installed a new Inflatable Liner Solution.
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

Over the course of 15+ years I have never found a chute wear liner superior to the Rockland custom designed Ceramic & Rubber Liners.
— Tony Ross, Lehigh Southwest Cement Company, Redding, CA

When our new Triple Gate was installed, maintenance intervals went from 30 days to three years before we replaced any wear parts.
— Jacob Thompson, Lehigh Southwest Cement, Tehachapi, CA

Our new Air-Lock Belt Feeder solved all of our spillage, constant feed starvation & belt maintenance issues.
— Jacob Thompson, Lehigh Southwest Cement, Tehachapi, CA

The new bucket elevator chute ran for over 4 years before we had to replace any of the rubber liners. It solved all of our spillage
& wear issues.

— Jacob Thompson, Lehigh Southwest Cement, Tehachapi, CA

Our inflatable hopper systems have now been running for years. Solved our plugging & build-up issues.
— Kale Verd, Glacier Northwest, A Calportland Company

The inflatable liner systems in our four screen undersize chutes have operated 9 years without a single liner having to be replaced. And, they solved our build-up issues.
— Kale Verd, Glacier Northwest, A Calportland Company

The first inflatable hopper solved our raw material feeding issues, operating for over 10 years, without failure.
— Kale Verd, Glacier Northwest, A Calportland Company

Project Snaphots. See how Rockland optimizes plant performance.