
Prefabrication Tools
METAPREF benches and CNC-cut blockouts — industrial precision
JeanFour designs and manufactures custom prefabrication tools for concrete manufacturers. From METAPREF precast benches to CNC-cut blocking inserts, our equipment guarantees dimensional accuracy and industrial repeatability for your precast concrete elements — beams, slabs, balconies, architectural pieces.
Products in this range
Every product is manufactured in Perrex (Ain) — competitive lead times, quality controlled.

Mannequin / Dummy Work
Jigs and templates made of 15 mm CNC-cut film-faced plywood. Integrated handling cable. Millimeter precision for perfect industrial repeatability.
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META STEEL
Straight steel formwork panel for as-cast concrete walls, seismic-compliant foundations, and residential and industrial buildings. Features a 5 mm steel form face and integrated accessories for enhanced safety and productivity.
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METAPREF
A transportable, ready-to-use prefabrication system delivered on a flatbed truck. It enables the safe casting of beams, columns, lintels, or ground beams directly on site.
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Why choose the Outils de Préfabrication range?
CNC precision
Digital cutting for sub-millimetre tolerances on every component
Modular
METAPREF in 3 m modules — configurable to the length of the parts
High-quality film-faced ply
15mm film-faced plywood — excellent concrete resistance and moisture durability
Integrated handling
Integrated handling cable on inserts — safety and ergonomics
Custom-made
All shapes and dimensions — engineering and manufacturing to client drawings
Proven expertise
35+ years of experience in industrial timber and metal subcontracting
Common applications
Need a quote for Prefabrication Tools?
Response from our technical team within 24h — no obligation.
