Product overview range - Connection technology We offer you an innovative range of solutions in the field of connection technology for the precast concrete industry and for the construction site. BT-Spannschloss® The BT-Spannschloss® is part of an easy-to-use connection system - without any further additional materials or aids. More information ThermoPin® The ThermoPin® is a composite anchor made of glass fibre reinforced plastic (GRP) for sandwich walls and core-insulated double walls. More information GFRP spacer bar The GRP spacer is a profiled rod made of glass-fibre reinforced plastic (GRP). The spacer guarantees dimensionally accurate production of core-insulated double walls. More information PHILIPP PB Anchor Heavy-duty internal threaded anchor in five sizes, ideal for a secure and permanent connection in combination with the BT-Spannschloss® More information