IPN Bundle: Use and Installation Guide

IPN beams (Normalized Profile I) are essential structural elements in construction and renovations. Used to support heavy loads, they offer a robust and versatile solution. This guide describes in detail its use, installation and good practices to adopt.

Types of IPN rays

Dimensions and profiles

IPN beams are distinguished by their «I» profile, with a central core and two lateral cores. Their height generally varies between 80 mm and 600 mm, while their length can reach several meters. Sizes are standardized to ensure universal compatibility.

Common examples :

• IPN80 : For light loads (mezzanines, partition walls).
• IPN 200 : Ideal for openings in load-bearing walls (from 1.50 m to 2.50 m).
• IPN600 : Suitable for industrial structures or bridges.

Materials used

Most IPN beams are made up of S235 or S355 steelproviding high tensile and compressive strength. Some versions are galvanized to resist corrosion in humid or industrial environments.

Certifications and standards

IPN beams must meet standards Eurocodes (EN 1993) for strength calculations. Manufacturers provide technical data sheets specifying:

• Maximum charge (up to 1000 kg for light applications).
• Scope (distance between supports).
• Thickness of the nuclei (affects stiffness).

Installation: key steps

Site preparation

Before any installation, evaluate:

1. The nature of the support : Load-bearing wall, frame or metal structure.
2. The burdens to bear : Weight of materials, dynamic loads (e.g. traffic).
3. Regulatory constraints : Authorizations for modifications to load-bearing walls.

Essential tools :

• Temporary props to support the beam during installation.
• Fastening systems (bolts, clips or welds).

Fixing on structures

The fixing method depends on the application:

• Bolting : For a permanent connection (e.g. door lintels).
• Clip : They allow easy dismantling (ideal for technical floors).
• Welding : Used in industrial environments for optimal resistance.

Concrete example :
For an opening in the load-bearing wall, install an IPN beam porch (horizontal beam + vertical uprights) to redistribute the loads.

Post installation checks

After installation, check:

• Alignment (use a spirit level).
• Rigidity (no flexing under load).
• Waterproofing (sealing of cracks to avoid infiltration).

Common applications

Renovation of load-bearing walls

If a load-bearing wall is opened, an IPN beam replaces the existing structure. The steps include:

1. Wall cutout (diamond saw or wall chainsaw).
2. IPN placement on concrete bases.
3. Resumption of finishes (coating, painting).

Average cost : Between €4,000 and €8,000 depending on the complexity.

Industrial facilities

IPN rays are essential for:

• Technical floors : Resistance to heavy loads and effective drainage.
• Gateways : Anti-slip surface for worker safety.
• Fences : Protection against intrusions with metal panels.

Temporary solutions

On construction sites, IPNs serve as:

• Scaffolding : Quick assembly with clips.
• Hardware supports : E.g.: fixing aerial hammocks (maximum load 1000 kg).

Safety: essential precautions

Risks to avoid

Incorrect installation can cause:

• Subsidence : If the beam does not support vertical loads.
• Corrosion : In a humid environment without surface treatment.
• Interruption : In case of vibrations or shocks.

Best practices

1. Consult a professional for modifications to load-bearing walls.
2. Use certified materials (EN 1993 standards).
3. Monitor loads : Avoid accidental overloading.

Maintenance and durability

Regular cleaning

• In an industrial environment : High pressure cleaning to remove residues.
• Outdoor : Check the condition of the galvanization (replace it if necessary).

Periodic checks

• Visual inspection : Check for cracks or rust.
• Indictable evidence : For critical structures (e.g. bridges).

Perspectives and innovations

Alternative materials

The beams inside reinforced concrete or inside glued laminated wood gaining popularity for their aesthetics. However, the IPN remains unrivaled strength/weight ratio.

Modular solutions

The systems of metal grate combined with IPNs they offer modular floors, ideal for evolving spaces.

IPN beams remain a pillar of modern construction, combining strength and versatility. Whether residential, industrial or temporary projects, their use requires rigorous planning and strict compliance with safety regulations. By following this guide, you will maximize their potential while minimizing the risks.