22/05/2024 by Woodea 0 Comments

The key role of industrialised construction in the Spanish housing crisis

In the search for solutions to help mitigate the effects of this crisis, industrialised construction has emerged as a key method of addressing the growing housing crisis by providing innovative and effective approaches.

25/04/2024 by Woodea 0 Comments

New Energy Efficiency Directive in the EU and its impact on construction

In an effort to combat climate change, the European Union has launched ambitious energy efficiency regulations aimed at promoting sustainability in the construction sector, which we will analyze its impact.

26/03/2024 by Woodea 0 Comments

Woodea presents the advantages of Design & Build with Product Platform at Rebuild

Rebuild consolidates its position as the leading forum for the exchange of innovative ideas and the presentation of advanced building solutions, reflecting a strong commitment to progress and sustainability in the sector.

23/02/2024 by Woodea 0 Comments

Reducing the Carbon Footprint in Construction: A Global Challenge

Sustainable construction bursts onto the current construction scene as a critical need to mitigate the environmental impact of one of the most resource-consuming and waste-producing sectors worldwide.

24/01/2024 by Woodea 0 Comments

Lean Project Delivery System: Optimization of Construction Projects

In the world of construction, where projects are characterized by their complexity and tight deadlines, efficiency and process optimization have become crucial factors for success. It is in this context that the innovative Lean Project Delivery System (LPDS) approach emerges, a methodology that seeks to transform the way projects are managed, optimizing resources, minimizing waste and maximizing client satisfaction.

15/01/2024 by Woodea 0 Comments

Woodea drives Zubi Group to obtain the three seals of the carbon footprint register

Woodea positions itself as a key driver in achieving Zubi Group’s milestone, celebrating the acquisition of the three seals from the carbon footprint registry by the Ministry for the Ecological Transition and the Demographic Challenge: calculate, reduce, and offset. This event undoubtedly underscores the group’s commitment to sustainability.

Engineer or Architech hand touching computer tablet interface with building design reality virtual technology at modern office on site. Building automation digital wireless control concept.
19/12/2023 by Woodea 0 Comments

The BIM, BAM, BOOM revolution in digital construction.

The construction industry is advancing in its digitization process, entering a fascinating technological universe with the emergence of concepts such as BIM, BAM, and BOOM. Far from being mere acronyms, this vision represents the forefront of innovation in the field of construction.

21/11/2023 by Woodea 0 Comments

Component-Based Construction: Juan Carlos Cabrero’s Vision

Discover Juan Carlos Cabrero’s vision on the current state and future of component-based construction.

17/10/2023 by Woodea 0 Comments

Industrialized Low-Impact Construction: Madreselva Building

Comparative Analysis. 3 Cases in 3 Dimensions: Water, Waste, and Carbon

In an increasingly sustainability-conscious world, the construction of ecologically responsible buildings has become a priority, and the Madreselva building is a prominent example of this trend. As a fundamental part of our methodology, technical wood represents for Woodea a decisive step towards decarbonizing construction and our effective contribution to sustainability.

In this article, we will explore the results of a life cycle assessment (LCA) comparing three construction models identified as Madreselva, Woodea, and Traditional. The aim of this analysis is to evaluate the carbon footprint, water usage, and waste generation over the 50-year lifespan of this building.

Low-impact industrialized construction through the Madreselva building

The Madreselva building is a new residential construction project that stands out for its focus on sustainability. Located in Burjassot, Valencia, it is under construction during 2023/2024 and aims to achieve a valuable 4-leaf rating in the Green certificate granted by Green Building Council Spain (GBCE).

This project, designed by the architecture studio FVAI and promoted by Zubi Cities, differs from traditional construction through a combination of three materials: concrete for foundations and basement, and wood and metal structure. Functionally and design-wise, it also stands out thanks to its multiple common areas and interior garden spaces, as can be seen in the following video.

The central purpose of this analysis is to compare three structural construction systems (Madreselva, Woodea, and Traditional) based on three scenarios subjected to a Life Cycle Assessment (LCA) evaluating their carbon footprint, water consumption, and waste generation.

To ensure a fair comparison, the selected functional unit is the construction and use of a Build to Rent residential building with 14 units in Burjassot (Valencia) on 5 floors with a 4-leaf Green certification for 50 years. All three scenarios have the same fire protection, insulation, and energy consumption. The built area is 1,532 m2, excluding parking.

The LCA covers all stages, from raw materials to the end of the building’s life, including the transport and treatment of generated waste. This ensures a comprehensive assessment of the environmental impacts involved in each scenario.

etapas y alcance del estudio de construcción de edificios con madera

The study focuses on three key categories of environmental impact:

  • Climate Change: Construction and building use account for 40% of global CO2 emissions. This analysis evaluates the carbon footprint of the building’s entire life cycle, including carbon absorption from wood. Results are expressed in tons of CO2 equivalent (t CO2-eq).
  • Water Usage: Only the construction sector consumes 16% of the world’s water resources. This indicator in the report addresses water consumption, including evaporation, transpiration, and other factors. Water usage units are measured in cubic meters (m3).
  • Waste Generated: The volume of debris and waste generated by construction is equivalent to one out of every three of those buildings. The report considers all materials leaving the analyzed system, including construction waste and building materials at the end of its lifespan. Results are expressed in tons (t).

Comparative analysis of three construction scenarios

The three construction scenarios under analysis share common functional features such as energy consumption and spatial arrangement. Their functional characteristics are, therefore, the same, with the only variations occurring in the materials of the structure, foundation sizing, and concrete bricks in the facade.

Evaluation of results

Carbon footprint in production and construction phase

The Madreselva building and the Woodea model strongly demonstrate their commitment to sustainability by significantly reducing the carbon footprint in the production and construction phases compared to the Traditional model. The current climate crisis has increased the relevance of this stage, as adopting this construction system could imply a significant reduction in emissions.

Madreselva reduces the carbon footprint by an astonishing 58% in these phases, while the Woodea scenario surpasses it with an even greater reduction of 80%. These figures are 43% and 59%, respectively, over the entire life cycle.

 

These figures are remarkable and clearly demonstrate the positive impact of using wood as a construction material instead of other traditional materials.

Waste generated on site (t)

Both Madreselva and Woodea demonstrate their efficiency by requiring fewer materials in construction (~2,700 t vs. ~4,000 t), thereby generating less on-site waste. Additionally, wood and steel used in these models are highly recyclable, promoting a circular economy.

Woodea reduces generated waste by 31%, and Madreselva does so by 10% compared to the Traditional model.

These results underline the contribution of building with wood to waste reduction and responsible resource use.

Water consumption for each scenario and by phase (m3)

In water consumption reduction, both Madreselva and Woodea outperform the Traditional scenario, highlighting again the efficiency caused by the selection of construction materials.

Woodea and Madreselva would reduce water consumption in this phase by 36% and 34%, respectively, compared to the Traditional model, with the reason being the impact of increased concrete usage.

 

The choice of more sustainable materials and construction methods translates into more efficient water use, a valuable resource.

Evaluation of Impacts

Impact on costs of industrialized construction with wood

Although there may be an initial 10% cost overrun in direct costs by opting for wood structures, this over cost significantly reduces due to reductions in construction timelines and other factors.

The final over cost ranges between 3% and 4%, including reductions in indirect costs and margins for builders and developers.

 

These data suggest that, despite starting with a slight cost increase, choosing wood as a structural material can result in a profitable long-term investment.

Impact of wood structure on housing prices

Since construction costs represent approximately half of the final selling price of a home, the additional cost of a wood structure results in an increase in the selling price, ranging between 1.5% and 2%.

This translates to an increase of between 3,000 and 4,000 euros in a home with a price of 200,000 euros.

 

While there is a slight price increase, it can be considered a reasonable investment in terms of sustainability and long-term benefits.

Advantages of building with wood for the developer and society

Choosing wood construction not only has environmental advantages but also aligns with current trends in the real estate market.

Promoting buildings with wood structure can be attractive to climate-conscious and sustainability-aware investors. Additionally, developers adopting more sustainable approaches can stand out in a competitive market and attract a clientele that values a more ecological and communal lifestyle.

Conclusions of the analysis

The life cycle analysis conducted on the Madreselva building provides valuable data on the environmental impacts of different construction models. As society seeks to build more sustainably, it is evident that the choice of materials and construction methods plays a critical role in reducing the environmental footprint.

The Madreselva scenario stands out for its balanced approach in wood and steel, contributing to a lower carbon footprint compared to the Traditional scenario.

On the other hand, the Woodea scenario, primarily built in wood, shows significant potential to reduce environmental impact, especially in terms of water usage and waste generation.

In summary, this analysis demonstrates that sustainable construction is possible, and the choice of materials and construction methods can make a significant difference in reducing environmental impacts.

The Madreselva building, with its focus on wood and sustainability, represents a significant step towards a more ecological future in residential construction.

Access the complete report through the following link!

Low-Impact Industrialized Construction

Comparative Analysis. 3 Cases in 3 Dimensions: Water, Waste, and Carbon

26/09/2023 by Woodea 0 Comments

Woodea Presents Its Latest Report at The District: Industrialized Low-Impact Construction

Woodea presents “Low-Impact Industrialized Construction.”, a study that reveals that a building with a technical wood structure is more cost-effective and reduces carbon emissions, waste, and water consumption.

20/07/2023 by Woodea 0 Comments

Building with FSC® Certified Wood: A Commitment to Sustainability

In the construction industry, it is crucial to adopt practices that are environmentally friendly and promote sustainability. For this reason, selecting high-quality materials that contribute to a positive impact on the environment and the preservation of our natural resources is a key factor at Woodea.

Choosing wood as one of our main construction materials is one of the pillars of our methodology; therefore, in this article, we will explore the benefits of building with wood and why selecting Forest Stewardship Council (FSC) certified wood is crucial to ensuring sustainability and the quality of the final project.

What is FSC Certified Wood?

The Forest Stewardship Council (FSC) is an international non-profit organization that promotes environmentally responsible, socially beneficial, and economically viable forest management worldwide.

FSC Forest Management standards ensure zero deforestation, biodiversity protection, workers’ rights, and respect for the interests of local communities.

Certified FSC wood comes from responsibly managed and controlled sources, taking into account environmental, social, and economic aspects. By choosing FSC certified wood, we are reaffirming our commitment to sustainability and supporting forest protection.

Benefits of Building with FSC Certified Wood

In addition to the numerous benefits of building with wood discussed in previous blog posts like “Building Skyscrapers with Wood”, FSC certification adds other advantages related to forest protection and the guarantee and traceability of the entire process. This is reflected in the organization’s video ” Building with FSC Wood: Comfortable and Very Safe“:

The foreseeable increase in wood for construction purposes demands a commitment to the resource’s long-term availability and the protection of forests, their ecosystems, and the biodiversity they harbor. Ensuring sustainable traceability is an essential requirement that we must consider.

We could summarize in three key reasons why opting for a sustainable material like FSC certified wood is crucial:

1. Environmental Sustainability

As a sustainable construction company, at Woodea, we strive to analyze and minimize our environmental impact on each of our projects. FSC certified wood is an option that aligns with our values, as it comes from responsibly managed forests and controlled sources.

FSC certified wood comes from responsibly managed and sustainable forests and controlled sources. This means that principles of biodiversity conservation, soil and water protection are respected, and indiscriminate deforestation is avoided. By choosing FSC certified wood, we contribute to forest preservation and reduce the environmental footprint.

2. Climate Change Mitigation

Forests play a crucial role in mitigating climate change by acting as carbon sinks. Choosing FSC certified wood over other materials promotes sustainable forest management and ensures forest regeneration, contributing to carbon capture and reducing greenhouse gas emissions.

3. Social and Economic Responsibility

Generating a positive impact on local communities and the economy is another of our great motivations. By choosing FSC certified wood, we support responsible forest management and promote the well-being of communities dependent on them. FSC certification ensures that the rights of forest workers are respected and that a safe and fair working environment is promoted. Choosing FSC certified wood, we are building a sustainable future and contributing to the rural economic development of regions where certified forests are located, helping forest owners to continue managing their forests responsibly.

Conclusion

By choosing FSC certified wood, we ensure that our constructions are environmentally friendly while contributing to the protection and maintenance of forests and the well-being of local communities. We promote responsible forest management and become part of the solution.

If you are interested in delving deeper into FSC certified wood, forestry, biodiversity, regeneration, and other key aspects of forest management, we invite you to listen to our Wood Idea Podcast where Octavi Uyà, CEO of Woodea, and Gonzalo Anguita, Executive Director of FSC and a regular advisor to Woodea, discuss these topics.

20/06/2023 by Woodea 0 Comments

Passivhaus: The Path to Sustainability and Energy Savings in Construction

The value proposition of Passivhaus homes lies in creating highly efficient spaces that require minimal energy for operation, thereby reducing carbon emissions associated with building use.

24/04/2023 by Woodea 0 Comments

Sustainable Construction, Beyond a Trend: Benefits and Opportunities to Save Our Planet

In recent years, sustainable construction has evolved significantly, becoming a priority for the construction sector to address the challenges of climate change and the need to move towards a more sustainable world.

05/04/2023 by Woodea 0 Comments

Woodea Introduces New Alliances and Solutions at Rebuild for More Efficient and Sustainable Construction

Woodea Introduces New Alliances and Solutions at Rebuild for More Efficient and Sustainable Construction

02/03/2023 by Woodea 0 Comments

Building the Future: How BIM and Digitalization Are Transforming the Construction Industry

Building Information Modeling (BIM) is revolutionizing construction by digitizing the entire building lifecycle, from design to maintenance.