Local Resources Archives · ARV

Cross-laminated Timber (CLT)

geraldine — Sat, 18 Oct 2025 10:30:46 +0000

SOURCE

Cross-laminated timber (CLT)

Cross-laminated timber (CLT) consists of multi-layer structural panels made from spruce boards bonded together in alternating, cross-wise layers. This configuration provides excellent dimensional stability and high mechanical strength for load-bearing construction. The wood is PEFC- and FSC-certified, sourced from European forests managed under sustainable forestry systems.

LICENSES

PEFC-FSC

PEFC and FSC are the two main global, independent, third-party certification systems for sustainable forest management, ensuring wood and paper products are responsibly sourced. While both certify the chain of custody from forest to consumer, FSC (Forest Stewardship Council) is often considered stricter and more global, whereas PEFC (Programme for the Endorsement of Forest Certification) acts as an umbrella organization, often favoring national, bottom-up standards.

APPLICATION

Cross-laminated timber (CLT) panels were used to construct the load-bearing structure of the ARV Positive Energy Building in the Trento demonstration site (former Zuffo parking area). Made from PEFC- and FSC-certified wood and compliant with ETA-12/0347, the CLT elements were applied in the prefabricated ribbed floors, roof structure, and staircase providing access to the first floor.
This solution ensured high dimensional stability, mechanical strength, and reliable seismic performance, while enabling precise prefabrication and fast, efficient on-site assembly of both load-bearing and enclosing components.

Providers involved

Related innovations

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Renew Wall

geraldine — Thu, 13 Nov 2025 15:00:56 +0000

Location

Renew Wall

Renew-Wall is a newly designed, modular, and non-intrusive system (tenants can continue living in their homes, and installation requires no scaffolding) for the energy and architectural retrofitting of existing buildings. It mainly consists of a prefabricated insulated wood-based panel that can integrate windows, shutters, and a mechanical ventilation system with heat recovery.

Leading organisation

Other organisations involved

Related innovations

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Glued Laminated Timber (Gluelam)

arv-user — Wed, 28 Jan 2026 09:51:48 +0000

SOURCE

Glued Laminated Timber (Gluelam)

Glulam (glued laminated timber) is a high-strength, engineered wood product made by bonding individual wood laminations (lams) with moisture-resistant adhesives, with grains running parallel to the member’s length. It is used for structural beams, columns, and arches in residential and commercial construction, offering superior strength, versatility for curved shapes, and large span capabilities.

LICENSES

PEFC-FSC

APPLICATION

Glued laminated timber (glulam) was used in combination with CLT panels to form part of the load-bearing structure of the ARV Positive Energy Building in Trento. The GL24h laminated timber elements, made from PEFC-certified wood and compliant with UNI EN 14080, were employed for primary and secondary columns and beams, creating the building’s vertical and horizontal structural framework.
Seismic forces are resisted through a timber K-bracing system, with particular attention given to the design and anchoring of structural connections to ensure stability and safety.

Providers involved

Related innovations

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Sandstone – Marés

arv-user — Wed, 28 Jan 2026 10:24:37 +0000

SOURCE

Sandstone – Marés

Sandstone – Marés is a locally sourced natural stone from the Balearic Islands, valued for its low embodied carbon, durability, and minimal processing. Its natural porosity helps regulate temperature and humidity, supporting energy efficiency and healthy indoor environments. Long-lasting and fully inert, it reduces lifecycle emissions while supporting local value chains—making it a climate-positive, sustainable choice for contemporary and heritage construction.

APPLICATION

Sandstone – Marés was used in both the façade and the vertical load-bearing structure of the new Positive Energy Building developed by the public housing provider IBAVI. Employed as load-bearing walls, the locally sourced sandstone contributes to the building’s structural stability while reinforcing its architectural integration with the local context. Its thermal mass and breathability support indoor comfort and passive climate regulation, reducing overheating and energy demand, while the durability of the material ensures long-term performance with low maintenance requirements. This solution ensured high dimensional stability, mechanical strength, and reliable seismic performance, while enabling precise prefabrication and fast, efficient on-site assembly of both load-bearing and enclosing components.

Providers involved

Related innovations

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Superbonus 110%

arv-user — Thu, 13 Nov 2025 10:58:43 +0000

Superbonus 110%

The Superbonus was a 110% fiscal incentive introduced by the Italian government in 2020 through the so-called “Relaunch Decree”. It funded renovation works of the residential building stock (both private and social housing), addressing energy efficiency and seismic improvements, PV installation and EV-charging infrastructures. The 110% tax deduction covered the renovation costs incurred between 2020 and 2022, while the threshold respectively decreased to 70% and 65% for the expenses incurred in 2024 and 2025.

Energy efficiency improvement and thermal insulation of a private residential building located in the Trento demo (the so-called “Povo building” from the name of the district). The activities included the installation of i) a traditional External Thermal Insulation Composite System (ETICS) and ii) an innovative pre-fab kit for energy refurbishment called “Renew Wall”.

Related innovations

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NextGeneration EU

geraldine — Wed, 22 Oct 2025 15:25:45 +0000

NextGeneration EU funding programme

NextGenerationEU is a temporary recovery instrument to support Europe’s economic recovery from the coronavirus pandemic and build a greener, more digital and more resilient future.

Palma demonstration project

The complementary activities funded as part of the ARV demo project in Palma inlcuded the energy retrofitting of private and public owned residential buildings, as well as development of new social housing.

NextGenerationEU funds partially financed a large part of the public housing projects promoted by IBAVI in recent years. These projects have included high sustainability, efficiency and circularity parameters. In the case of the 35 dwellings in Fornaris Street, the amount funded is 1.153.845 € for the construction of the building.

Between 40% and 100% of the total retrofitting cost on private owned buildings, with a minimum of 18.800 € per dwelling. Between 40 and 80% of the total retrofitting cost on public owned buildings, with a minimum of 21.400 € per dwelling.

Trento demonstration project

The complementary activities funded as part of the ARV demo project in Trento inlcuded –

The NEST Foundation, financed by the NextGenerationEU, involves 25 partners, including the Politecnico di Milano, and focuses on innovation for energy efficiency and sustainability. The project aims to foster collaboration between research, institutions and industry to develop advanced technologies and create jobs in the energy sector.

Related innovations

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Horizon 2020 Research & Innovation Programme

geraldine — Wed, 22 Oct 2025 15:08:04 +0000

Horizon 2020 Research & Innovation programme

The ARV project and all its related innovations have received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 101036723.

Horizon 2020 was the EU’s research and innovation funding programme from 2014-2020 with a budget of nearly €80 billion. The programme has been succeeded by Horizon Europe.

Related innovations

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Finançament del Govern de les Illes Balears

geraldine — Wed, 22 Oct 2025 14:57:37 +0000

Finançament del Govern de les Illes Balears

The Govern de les Illes Balears is the entity that exercises executive power and directs the autonomous administration of the Balearic Islands. As part of its functions, through IBAVI (Housing Institute of the Balearic Islands) promotes social housing buildings in Mallorca, Menorca, Ibiza and Formentera. The complementary activities funded as part of the ARV demo project inlcuded the production, construction, management (planning permits, licenses…) and taxes of sustainable new social housing building.

Related innovations

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Inversions Turisme Sostenible

arv-user — Thu, 02 Jul 2026 13:46:04 +0000

Sustainable Tourism Fund

The Promotion of Sustainable Tourism Fund (Inversions Turisme Sostenible) of the Balearic Islands is financed through the Sustainable Tourism Tax paid by visitors staying in tourist accommodation. The fund reinvests tourism revenues into projects that improve environmental sustainability, climate resilience, and the quality of life of local communities.

The fund invested €5.16 million in the construction of a 35-unit public housing development in La Soledat, Palma, delivered by Institut Balear de l’Habitatge (IBAVI). The project demonstrates how tourism revenues can support sustainable housing by financing the use of local and eco-friendly materials, including biomass-fired ceramic products and insulation made from recycled fibres, alongside bioclimatic design strategies. The investment promotes low-carbon construction, reduces energy demand, and supports local construction value chains and traditional craftsmanship.

Related innovations

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