Tunnel excavation and reinforcement work is the business of Lemminkäinen Infra’s subsidiary Tolarock.
The company operates mainly in the mining sector and has special expertise in areas such as the raise boring of shafts.
We do works related to the excavation and reinforcement of tunnels. We specialise in the construction of vertical shafts. We operate mainly in mines, but we also construct shafts and silos on rock engineering sites. We operate all over Finland.
We have a wide range of specialised drilling, rock bolting and shotcreting equipment for mining and rock engineering work.
Tolarock Oy is a subsidiary of Lemminkäinen Infra Oy.