Concealed plumbing in Paris: the art of the invisible in luxury renovation
In a high-end renovation project in Paris, concealed plumbing forms the technical foundation upon which all finishes rest. Every concealed tap, every flush-mounted shower head, every freestanding bath fed from the floor requires a perfectly dimensioned network, installed with precision and tested before any closure. It is meticulous craftsmanship that tolerates no approximation.
Wild Rénovation coordinates concealed plumbing in Paris as part of complete apartment and townhouse renovations. Our specialist plumbers work during the structural phase, map out networks with precision and guarantee installation compliant with French DTU standards, compatible with the requirements of marble specialists, tilers and joiners who follow.
"Concealed plumbing is the art of the invisible. When it is perfect, you do not see it — you simply enjoy it."
Materials and techniques: copper, PEX and multilayer
Copper: the historical reference
Copper remains the noble material of concealed plumbing. Naturally bacteriostatic, it resists corrosion and offers a lifespan exceeding fifty years. In Parisian renovation, copper is favoured for risers, main supply lines and exposed connections in plant rooms. Its assembly by capillary brazing requires specific expertise that our craftsmen master perfectly.
PEX: flexibility and performance
PEX (cross-linked polyethylene) has established itself in modern plumbing thanks to its flexibility and ease of installation. Supplied in coils, it enables continuous runs without fittings within the wall thickness — a major advantage for minimising leak risk in concealed work. Combined with centralised manifolds, PEX offers a rational distribution where each water point has its own dedicated supply.
Multilayer: the technical compromise
Multilayer pipe combines an aluminium core with polyethylene layers. More rigid than PEX, it holds its shape after bending and is ideally suited to straight runs in service ducts or suspended ceilings. Wild Rénovation uses it alongside copper and PEX according to the specific constraints of each Parisian project.
Centralised manifolds and point-by-point distribution
The centralised manifold is the nerve centre of high-performance concealed plumbing. Installed in a service cupboard or accessible suspended ceiling, it distributes hot and cold water to each sanitary fitting via individual pipes. This system offers considerable advantages for prestige renovation.
- Isolation of each water point — A valve per outlet allows you to shut off the supply to a basin without affecting the shower
- Flow balancing — Star distribution guarantees constant flow at each fitting, even during simultaneous use
- No fittings in concealed areas — PEX pipe runs uninterrupted from manifold to water point, eliminating any leak risk within the wall
- Simplified maintenance — All valves are accessible from a single point, simplifying future interventions
For Parisian apartments where service space is often limited, Wild Rénovation designs compact manifolds integrated into bespoke enclosures, perfectly concealed behind access panels matching the wall finishes.
Applications: bathroom, kitchen and heating
Prestige bathroom
The high-end bathroom concentrates the highest demands for concealed plumbing. Concealed Gessi or Dornbracht tapware, ceiling-mounted rain shower head, freestanding bath with floor supply, shower niche with integrated hand shower — each element requires millimetre-precise positioning of supplies and drains. Our plumbers work from drawings with interior architects to guarantee perfect alignment between the technical and the design.
Bespoke kitchen
In the kitchen, concealed plumbing supplies the main sink, dishwasher, sometimes a secondary prep sink and a water filtration system. Drains must follow precise gradients, often within the tight space constraints beneath worktops. Wild Rénovation coordinates each route with the kitchen designer for seamless integration.
Underfloor heating and radiators
Concealed heating networks — whether supplying hydronic underfloor heating or designer radiators — follow the same quality standards. Pipes are laid in chases or screeds, connected to a central collector and pressure tested before final closure.
Coordination with other trades
Concealed plumbing takes place at the start of the second-fix phase, after demolition and structural work, but before any finishing. This sequence demands rigorous coordination with all site trades. The marble specialist needs perfectly positioned outlets for basins and shower trays. The tiler requires flat surfaces without protrusions to ensure the flatness of large-format tiles. The electrician shares the same service ducts and partitions.
Wild Rénovation ensures this coordination as part of its project management role. A detailed sequenced schedule, validated before the start of works, assigns each trade a precise intervention window. Pressure tests are systematically carried out before the marble or tile work, guaranteeing that no remedial work will compromise the finishes.