JeanFour — French manufacturing

Coffrage de Dalle

MODUDECK — Ultra-lightweight slab formwork at 13.6 kg/m²

JeanFour's MODUDECK is the ultra-lightweight aluminium slab formwork for cast-in-place concrete floors. At only 13.6 kg/m², its 140 mm extruded aluminium profile combined with a 9mm phenolic plywood face offers the best weight-to-strength ratio on the market. Manual installation without lifting equipment significantly reduces formwork costs and time.

Products in this range

Every product is manufactured in Perrex (Ain) — competitive lead times, quality controlled.

  • MODUDECK

    MODUDECK

    Coffrage de dalle ultraléger permettant de travailler en sécurité depuis le sol, sans matériel de levage lourd. Combine légèreté extrême et robustesse, avec un montage simplifié grâce à des accessoires dédiés.

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Why choose the Coffrage de Dalle range?

Ultra-lightweight

13.6 kg/m² — manual installation without crane or forklift

Extruded aluminium

140 mm profile — optimal rigidity for standard spans

Phenolic face

9mm phenolic ply — smooth finish, repeatability and multiple reuses

Range of widths

Widths from 450 to 900 mm to cover all floor grid configurations

Fast assembly

Tool-free connection — significant time savings on site

French manufacturing

Designed and manufactured in Perrex (Ain) — quality controlled at every stage

Common applications

Cast-in-place floorsCompression slabsResidential buildingsCommercial buildingsIndustrial construction

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