- Achievement at a glance
- The mezzanine cube project in details
- Structure of the mezzanine cube
- Build the vertical frame
- Lay the floor
- Isolate and dress
- Final result
A bedroom, a bathroom and storage space, all in 4m2, is the challenge faced by a family in search of space. Offered in the 2015 Leroy Merlin Grand Guide, an ultra-compact mezzanine cube fits perfectly into the living room while offering the benefits of an extra bedroom. Ready to install a nightclub at home?
Achievement at a glance
Level: Intermediate handyman
Time: 18 days for 1 person
• A sleeping area at the same time bedroom, bathroom and storage
• An ultra-compact cube for a small footprint (4m2)
The mezzanine cube project in details
Equipped with a basin and a shower, an existing piece of water is enlarged taking the surface on the living room. Around, uprights and bastaings (50 x 150) form the framework of the cube. Above, the installation of a vertical structure in lightweight materials is the room space. In order to increase the ceiling height and comfort on the mezzanine, the attic is recovered.
Structure of the mezzanine cube
at Existing part before work
b Smooth bass on acoustic band
g Floor panels
i Store of the niche
j Medium panels
k Acoustic insulation and BA13 not shown
Build the vertical frame
Start by removing the false ceiling and partitions. Once the volume of the roofs recovered, install a sloped ceiling and go up the walls until the rampant.• Calculate the dimensions of the frame and panels. Determine sections and distances according to the load to be carried.
• In the lower part, use angles to attach the uprights to the acoustic bass rails, screwed to the floor.
• Keep the uprights high with bastings.
Lay the floor
The mezzanine accommodates the sleeping area. Studs extend the vertical frame and form a guardrail. Take special care in fixing them.
• Keep the joists on the bastaings with hooves.
• Install the floor support brackets.
Isolate and dress
The walls and ceiling are clad with soundproofing panels. Before installing them, run all the electrical wires. Then cover with formwork in medium panels.
In order to allow air to circulate, holes and spaces are maintained in the partitions and the floor. Fixed to the perpendicular joists, grooved slabs reinforce the mezzanine space.
Ultracompact, multifunction, this cube contains a bathroom, a bedroom and plenty of storage, in a very small space.
Ideal for mezzanines, the wood floor is both economical and very light. Although its installation is fast, it is nevertheless rather delicate and offers little protection against noise, water and fire.
The OSB decking is laid without coating, to lighten the whole. Nailed to the joists, it allows a good distribution of the load.