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Removable Floor Systems

Petite Source must be installed on a stable, level, smooth surface capable of supporting its full water weight.

All of these requirements are essential, and we offer three solutions depending on the location and/or its condition:

Integrated floor (see models T250)
Installation subfloor
Removable structural floor

All these solutions allow for a compliant, quick, simple installation — without concrete.

9-ply birch plywood used for Petite Source installation subfloor

Installation Subfloor

All models can be equipped with the installation subfloor.

Purpose

Create a stable and level surface (level adjustment possible up to 8 cm depending on the Petite Source model).
Distribute the water load from the central area (~600 kg/m²) across the entire Petite Source footprint, resulting in approximately 300 to 350 kg/m² depending on the model.

Subfloor Visibility

The installation subfloor extends approximately 8 mm beyond the footprint of Petite Source.
Its thickness is 36 mm (visible edge before leveling adjustment).

Installation

This floor is simply laid on the ground without anchoring, with precise leveling to within ±5 mm. A stable surface is essential (no soil, grass, or sand). The entire system is fully removable.

Removable Structural Floor — No Concrete Required

All models can be equipped with this floor system.

Purpose

Provide a stable, smooth, and level surface capable of supporting all loads.
Install a fully removable floor system (no concrete).
Integrate the floor partially or fully into the ground (e.g., lawn) instead of building a concrete slab.
Enable installation within a few hours and immediate operation.

The removable structural floor is an ideal solution, perfectly suited to Petite Source.

Floor Visibility

The structural floor extends approximately 8 mm beyond the footprint of Petite Source.
Its base thickness is 163 mm or 176 mm. The visible edge will depend on whether the floor is installed flush, partially recessed, or fully recessed into the ground.

Note: No cladding is provided for the sides of the floor.

Installation

This floor is simply placed and leveled on the ground (+/- 5 mm) without any anchoring — zero concrete. The entire system is fully removable.

Composition

Made of aluminum I-beams and naturally rot-resistant exotic wood, the floor is installed recessed directly into the garden soil. Its surface area matches that of your Petite Source, with an additional 8 mm all around.

Aluminum I-beam structure used for the removable floor system

Installation of the removable structural floor without concrete

Petite Source with Île Secrète finish, elegantly integrated into a green landscape — photo Emmanuel Bris / Piscinelle

Choosing the Right Floor

The right floor depends on the characteristics of your installation site.

The planned location is:

A garden with grass and a maximum slope of 15 cm across the entire Petite Source area ⇒ Removable structural floor.
A garden with a steep slope ⇒ No Petite Source floor; excavation and a concrete slab are required.
An outdoor area with tiles, pavers, or stabilized gravel with a maximum slope of 6 cm across the entire Petite Source area ⇒ Installation subfloor.
A stable, level, smooth outdoor surface (concrete slab, tiles, other) ⇒ Direct installation of Petite Source.
An existing exterior wooden deck:
- If the deck is sturdy (proper board thickness and joist spacing) ⇒ Direct installation of Petite Source.
- If the deck is too light ⇒ Rebuild the deck or integrate the installation subfloor.
Indoor space:
- On a ground-level slab ⇒ Direct installation.
- On an upper-level slab ⇒ Verify the structural load capacity (minimum 250 kg/m²) ⇒ Use the integrated floor option available with PS3 T250 and PS5 T250 models.

What does your Petite Source look like?

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