NetJuggler Self-Contained Slackline and Balance Wire

Enhanced Version 2025

This product is available individually.
Each unit includes a complete 4m structure, a wire stretched over a steel cable, a slackline strap, bolts, as well as a training leaflet and illustrated assembly instructions.

New for 2025: improved supports, anti-slip grips, reinforced steel cable and bolts.

Tightrope & Self-Contained Slackline – Slack House 4

The Slack House 4 Autonomous Balance Wire and Slackline is a 4-meter indoor structure allowing you to practice both tightrope walking and slacklining on a single device.

Made of robust steel, with stable feet and wooden platforms for safe mounting and dismounting, this structure offers adjustable height for slacklining and a cable stretched 50 cm from the ground for precision work.

Suitable for circus schools, sports clubs, leisure centers and individuals, it allows for educational progression, from initiation to technical balance exercises.

ℹ️ Documentation included: The assembly instructions provided detail step-by-step the installation of the wire and slackline, with photos, a complete list of parts and safety instructions (checking, load limits, inspections).
Download the manual/documentation here .

Slack House 4 structure with components: black support bar, wooden mounting elements, and platform. Design focused on robustness and adaptability for balance wire and slacklining.

NetJuggler's review

"This Self-Contained Balance and Slackline is distinguished by its versatility: in the same session, it becomes possible to alternate between flexible slackline and very taut wired line , two very different but complementary sensations of balance.

The assembly involves several bolts, which may seem a bit time-consuming the first time, especially for the wire version, which is more technically challenging to install. In practice, some parts can remain assembled between uses, reducing regular assembly time. Once the structure is well understood, setup becomes smooth, and the whole thing remains compact, stable, and pleasant to use for workshops or intensive training sessions.

Assembly of parts for the Slack House 4 Self-Contained Balance Wire and Slackline, including brackets, bolts, and mounting hardware. The design emphasizes the robustness and functionality of the components for a secure installation.

Technical specifications

Total length: 4 m (2 arms of 200 cm connected by a central junction).
Height of wire (steel cable): 50 cm fixed (from the ground).
Slackline height: Adjustable to 30 cm or 50 cm (low or high position).
Structure weight: 40 kg, for good stability without being impossible to move.
Maximum load: 130 kg (one person) or 150 kg (two people of 75 kg).
Materials: Painted steel structure, non-slip wooden plates, steel cable, high-strength textile strap, galvanized hardware.
Installation time: Approximately 10 to 15 minutes once the assembly is mastered.
Kit contents: 2 arms, 2 bases, central junction, steel cable, slackline strap, ratchet, mechanical tensioner (rope puller), wooden plates, pulleys, levers and bolts.
Tools needed (not supplied): 1 x 10mm hex key, 2 x 19mm keys and a cutter.

📋 Inspection: An inspection form is provided to record regular checks. Indoor assembly only on a flat surface.

Assembly of parts for the Slack House 4 Self-Contained Balance Wire and Slackline, showing hands using tools to install supports and components.

For what type of practice?

Target audience: Children, teens and adults, from beginners to experienced practitioners in wire or slackline (within the indicated load limit).
Educational uses: Working on balance, coordination, posture and concentration for circus schools, educational structures, leisure centers, gym clubs.
Personal training: Regular practice at home or in the gym to progress without external anchor points.
Workshops & Shows: Ideal for indoor entertainment with height adjustment according to the level.

💡 NetJuggler Tip: The use of landing mats is recommended, especially with beginners.
Warning: This structure is not designed for practicing balance wire jumps (risk of premature wear of the tension system).

Video of the assembly

The video below shows the setup in slackline configuration (feet, ratchet, strap, height).

For assembly using a balance wire (mechanical tensioner, cable routing, pulleys), refer to the illustrated instructions. The initial wire installation may seem technical, but once the procedure is understood, assembly becomes much faster.

Spider Slacklines is an Italian brand created in 2012 (Bergamo). Specializing in slacklining and balance, the company designs products intended for learning , safety and technical progression .

The Slack House 4 is developed specifically for circus schools. The products are tested with sports instructors and artists to guarantee robustness and suitability for intensive use.

⚠️ Important warning:
Check the integrity of the structure, welds, cable, strap, and bolts before each use. Never exceed the maximum loads. Use on a flat, clear surface, indoors, under adult supervision for children. Never place your fingers near the pulleys while tensioning.

Usage tips & FAQ

How to choose the height?

For beginners and children: 30cm slackline. The 50cm height (slackline or wire) is suitable for more experienced practitioners and technical exercises.

Assembly time?

The initial setup takes longer (identifying the parts). After that, leaving some parts pre-assembled, it should take less than 15 minutes.

Structural control?

Yes, essential. An inspection form is provided for monitoring. Regular visual inspections are mandatory for shared use.

Tightrope and Slackline at the same time?

No. The structure can be used in either Tight Rope Wire or Slackline mode. The changeover instructions are available in the Tight Rope Wire and Slackline sections.