what is

radicsol

Radicsol is a patented and certified system designed to deliver a high-performance wall-to-foundation connection in timber buildings. Its modular, insulated, precision-adjustable formwork system simplifies the creation of the concrete base beam, integrates structural brackets, and allows service conduits to be incorporated directly into the concrete pour for greater flexibility on site.

Discover the performance

Components

System components

The Radicsol system consists of three non-structural components (1, 2, 3) for creating precision formwork, and two structural components (4, 5) to be installed on the edge of the formwork after alignment and adjustment, and before pouring the concrete.
1

Formwork bar

2

Longitudinal bracket

3

Corner bracket

4

Cast-in shear plate SLP20

5

Cast-in hold-down plate
HD50 and HD80

Easy

Durable

Radicsol

Safe

Threshold recesses

Radicsol allows the concrete base beam to be precisely shaped at door thresholds, ensuring it accommodates the threshold thickness while maintaining an effective thermal break in the building envelope.

Service penetrations

The distinctive shape of the Radicsol formwork, in addition to providing insulation, also enables both horizontal and vertical routing of all building services without the need for prior planning or subsequent demolition.

Installation of external insulation, internal partitions, and screeds

The system is designed to accommodate the subsequent installation of external thermal insulation (ETICS), internal plasterboard partition walls, and the necessary floor build-up consisting of services, insulation, screeds, and final flooring. It provides the correct support and reference levels for each stage of the construction process.

durability

Errors at the wall-to-foundation connection are costly. Radicsol helps prevent them

The most common problem in timber buildings is deterioration of the walls at the support point on the ground, which can occur a few years after construction and irreversibly damage the structure. The main causes are flooding, splashing or runoff inside or outside the building, and interstitial condensation.

Damage caused by internal flooding

Damage caused by interstitial condensation

Types of wall-to-foundation connections

Protected by external and internal membranes (dimpled membranes), with the possible presence of a timber or metal levelling member, or without. Exposure to:

  • Possible infiltration from flooding and internal and external water stagnation through the membranes
  • Interstitial condensation at the wall support interface, exacerbated by the high thermal conductivity of the metal if present.
  1. Optional metal or larch levelling member
  2. Bituminous membrane
  3. External flooding
  4. Internal flooding
  5. Concrete foundation

Water stagnation and condensation risk

Protected by internal and external membranes, with or without timber or steel levelling elements. Exposure to:

  • Possible infiltration due to flooding and internal water stagnation through the membranes
  • It is always necessary to check the hygrothermal conditions at the support point to prevent interstitial condensation.
  1. Optional metal or larch levelling member
  2. Bituminous membrane
  3. External flooding
  4. Internal flooding
  5. Concrete foundation
  6. Fixing brackets

Risk of internal water stagnation and condensation to be verified

Protected, if necessary, only by external membranes, without the need to insert a timber or metal levelling sleeper, since the base beam is perfectly level.

  • Safe from problems of infiltration due to flooding and standing water, both internally and externally
  • Hygrothermal conditions at the support point are certified against interstitial condensation, thereby ensuring the long-term durability of the wall.
  •  
  1. Optional metal or larch levelling member
  2. Bituminous membrane
  3. External flooding
  4. Internal flooding
  5. Concrete foundation

No standing water
No condensation risk

In summary

The advantages of Radicsol for the wall-to-foundation connection

The Radicsol system has been assessed by the TBZ Building Physics Centre in Bolzano and tested by the prestigious Fraunhofer Institute for Building Physics in Germany. These evaluations confirmed the long-term durability of the timber wall support interface and the absence of thermal bridges, offering reliable assurance of durability and indoor comfort over time.

The structural performance of the Radicsol system, in its real wall-to-foundation configuration, was experimentally verified at the laboratories of Marche Polytechnic University. This provides dependable evidence of structural safety where it matters most.

With Radicsol, the concrete base beam can be formed from a simple flat substrate without the need for conventional shuttering panels, boards, or formwork nails. Using only a limited number of tools, this essential early-stage operation becomes faster, simpler, and easier to manage.

Radicsol enables the concrete base beam to be formed with high precision, accurately matching the design alignment and levels. This removes the need for on-site surveying of traditional base beams and allows wall prefabrication to start earlier.

Radicsol allows building services to be installed even after the concrete pour, without demolition. This avoids the need to pre-arrange dedicated service openings in the base beam and significantly reduces coordination demands between superstructure works and services installation.

Thanks to its geometry and the range of available sizes, Radicsol can be adapted to multiple wall-to-foundation configurations in both timber buildings and load-bearing masonry construction.

Connection design software

The experimental results of the Radicsol mechanical tests made it possible to validate the Radicsol software developed by Eng. Davide Cicchini, enabling Radicsol connections to be designed quickly and easily. Through a simple and intuitive interface, users can optimally configure shear and hold-down devices for each wall and generate the corresponding calculation report.
Download the software

System

Radicsol SRL - Partita Iva 02632110694 | Iscr.Uff.Reg. Chieti (CH) - REA: CH 403482 | Cap.soc.: € 30.000,00 i.v.