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Sustainable Retrofits: A Design-led Perspective on Building with a Conscience
by Sean Hill on Oct 20, 2023
In our world today, where the drive for sustainable living has never been stronger, architects must look beyond mere aesthetics and push for meaningful impacts. We believe in championing retrofits that not only reduce energy usage but create a sustainable and lasting change, ultimately benefiting both our planet and its inhabitants.
1. Reimagining Retrofitting: The Bigger Picture
When we talk about retrofit projects, energy efficiency naturally springs to mind. However, the environmental ripple effects of such endeavours are much more profound, extending to realms like material sourcing, manufacturing, and even disposal. Our holistic retrofitting approach encompasses all these areas, ensuring that our impact is beneficial, long-lasting, and environmentally friendly.
2. The Charm and Efficiency of Natural Materials
Natural materials stand out due to their lower environmental footprint – they need less energy in their production, are often recyclable, and compared to synthetic counterparts, contribute positively to our environment. Their intrinsic value, however, doesn’t stop there. These materials, during their growth, act as carbon sinks, drawing and locking carbon dioxide from our atmosphere. This natural carbon sequestration ensures that buildings constructed or retrofitted using such materials contribute to long-term carbon reduction.
3. Natural Breathability: A Match Made for Older Buildings
Older structures were crafted with a deep understanding of natural breathability, helping manage moisture without the need for modern ventilation systems. However, using modern non-breathable materials such as cement render or synthetic insulation can compromise this delicate balance, causing damp issues. Hence, natural materials, with their inherent breathability, remain indispensable for safeguarding these buildings and preserving their historical integrity.
4. Elevating Energy Efficiency with Wood Fibre
As an example, consider the thermal performance improvement of a solid masonry wall when treated with wood fibre insulation. Not only can its thermal efficiency improve by up to 90%, but it also aligns seamlessly with the latest Building Regulations. This treatment focuses on vital technical and practical issues, including U Values, vapour control, and other methods of improving airtightness and controlling dampness.
5. Roof Refurbishments: The Wood Fibre Advantage
Roof renovations often present unique challenges and opportunities. Whether the focus is on external renovations, interior makeovers, or loft conversions, wood fibre insulation remains a top recommendation. Not only does it provide excellent U values and vapour control, but its natural moisture management capabilities and heat protection qualities ensure that the retrofit is both durable and efficient.
6. Featured Green Products: Making the Right Choice
- Steico Therm: Ideal for insulating internal walls of solid masonry, this wood fibre board enhances thermal capacity impressively.
- SkamoWall Board: This calcium silicate-based system actively combats damp and mould growth, ensuring healthier interiors.
- Breathaplasta: A breathable plaster solution that tackles indoor air quality and reduces mould and condensation, making homes healthier.
- Steico Flex: An eco-friendly insulation solution versatile enough for various applications, providing both thermal and acoustic insulation.
- Baumit Silikatin: An eco-friendly paint alternative that’s both vapour-open and environmentally friendly.
- Blowerproof: A liquid-applied membrane perfect for ensuring airtightness in retrofit applications.
7. Building Physics in Retrofitting
- Optimising Thermal Performance: Boosting insulation, upgrading fenestrations, and focusing on minimising thermal bridges are key.
- Managing Moisture: Addressing issues like condensation and mould growth is essential for maintaining indoor air quality.
- Enhancing Airtightness: Minimising uncontrolled air infiltration by sealing gaps and cracks can substantially elevate energy efficiency.
8. Economic Considerations in Retrofitting
- Cost-Benefit Analysis: Weighing the initial investment against long-term savings is critical in deciding a retrofit’s viability.
- Return on Investment: Understanding the payback period is key to ascertaining the economic attractiveness of a retrofit project.
- Exploring Financing and Incentives: Various financial support mechanisms, such as grants and tax credits, can make retrofitting projects more affordable.
9. Technical Expertise in Retrofits
- Performance-Based Upgrades: Tailoring retrofit solutions based on energy audits can ensure specific energy efficiency enhancements.
- Compatibility and Integration: Ensuring seamless integration of retrofit components maximises overall performance.
- Futureproofing and Flexibility: Adaptable solutions cater to future technological advancements and regulatory shifts.
10. The Vision Ahead: Designing with Purpose
In conclusion, a successful retrofit, as we’ve always believed in our studio, is a harmonious blend of economic, technical, and building physics principles. This trifecta, when addressed comprehensively, results in indoor spaces that are healthier, more energy-efficient, and truly comfortable – a testament to our commitment to designing with a conscience.
Harnessing the wisdom of the past, the innovations of the present, and the aspirations for a sustainable future, our architectural approach stands as a beacon for conscious, sustainable design.
If you would like to talk through your project with the team, please do get in touch at mail@risedesignstudio.co.uk or give us a call at 020 8150 2128
RISE Design Studio Architects company reg no: 08129708 VAT no: GB158316403 © RISE Design Studio. Trading since 2011.
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