Sustainability
Reducing Carbon Footprint with Interior Materials – Goodrich
Carbon footprint in interior materials is an increasingly critical consideration for Singapore’s built environment. With buildings accounting for roughly 20 per cent of Singapore’s total carbon emissions, and interior fit-outs contributing a significant share of embodied carbon, the materials specified by architects, interior designers, and developers have a direct impact on the nation’s climate goals.
This guide explains how interior material choices affect carbon emissions and offers practical strategies for reducing the carbon footprint of flooring, wallcoverings, and fabrics.
Understanding Embodied Carbon in Interior Materials
Embodied carbon refers to the greenhouse gas emissions associated with manufacturing, transporting, installing, maintaining, and disposing of a material over its entire lifecycle. Unlike operational carbon — which relates to energy used to run a building — embodied carbon is locked in at the point of material selection.
For interior fit-outs, embodied carbon comes from several stages:
- Raw material extraction: Mining, harvesting, or synthesising base materials.
- Manufacturing: Energy consumed during production, including heating, pressing, and finishing.
- Transportation: Shipping materials from factory to site, including international freight.
- Installation: Adhesives, tools, and energy used during fit-out.
- Maintenance: Cleaning products, repairs, and partial replacements over the material’s life.
- End of life: Demolition, disposal, recycling, or incineration.
Each material category — flooring, wallcovering, fabric — has a different carbon profile. Understanding these profiles helps project teams make lower-carbon choices without compromising design or performance.
Low-Carbon Flooring Choices
Flooring typically represents the largest volume of interior material in any project, making it the highest-impact category for carbon reduction.
Vinyl and LVT
PVC-based flooring has a moderate embodied carbon footprint. The primary driver is the energy-intensive production of PVC resin and plasticisers. However, modern LVT and SPC flooring can offset some of this impact through recycled content (reducing virgin material demand), extended product life (delaying replacement), and take-back recycling programmes (diverting waste from landfill).
When selecting vinyl flooring for carbon-conscious projects, prioritise products with Environmental Product Declarations (EPDs) that quantify the carbon footprint per square metre. Compare products on a like-for-like basis using the Global Warming Potential (GWP) figure stated in the EPD.
Carpet Tiles
Carpet tiles have made significant progress in carbon reduction. Manufacturers now offer products with carbon-neutral or even carbon-negative claims, achieved through recycled nylon fibre, bio-based backing materials, and verified carbon offset programmes.
Carpet tiles with recycled content and take-back programmes represent one of the most circular flooring options available. At end of life, the tiles are collected, separated into fibre and backing, and reprocessed into new products — closing the loop and avoiding landfill.
Natural Materials
Natural linoleum (made from linseed oil, wood flour, jute, and limestone) has one of the lowest embodied carbon footprints of any resilient flooring. It is bio-based, biodegradable, and manufactured using relatively low-energy processes. However, it is less commonly specified in Singapore due to limited local availability and moisture sensitivity.
| Flooring Type | Typical Embodied Carbon (kg CO2e/m2) | Key Carbon Reduction Strategy |
|---|---|---|
| Natural linoleum | 3-6 | Bio-based raw materials |
| Carpet tile (recycled content) | 5-12 | Recycled fibre, take-back programmes |
| LVT / SPC | 8-15 | Recycled PVC, extended lifespan |
| Ceramic / porcelain tile | 12-25 | Longevity, local sourcing |
| Natural stone | 10-30 | Extreme longevity offsets high initial carbon |
Lower-Carbon Wallcoverings
Wallcoverings have a smaller carbon footprint per square metre than flooring, but over large commercial projects, the cumulative impact is significant.
Non-woven wallpapers generally have lower embodied carbon than PVC vinyl wallcoverings. Their manufacturing process uses less energy, and the substrate materials — cellulose and polyester fibres — can incorporate recycled content.
Paper-based wallpapers have the lowest carbon footprint among manufactured wallcoverings, particularly when printed with water-based inks and sourced from FSC-certified paper. Natural fibre wallcoverings (grasscloth, jute, sisal) store carbon in their plant-based fibres, though the agricultural and processing impacts must be considered.
For commercial projects, commercial-grade wallcoverings that balance durability with lower embodied carbon are available from manufacturers with strong sustainability programmes. Longer-lasting wallcoverings reduce replacement frequency, spreading the initial carbon cost over a longer period.
Sustainable Fabric Specification
Upholstery and drapery fabrics contribute to a project’s carbon footprint through fibre production, weaving, dyeing, and finishing processes.
Fibre Choices
Recycled polyester (rPET), made from post-consumer plastic bottles, has roughly 30 to 50 per cent lower carbon emissions than virgin polyester. It is widely available in performance upholstery and drapery fabrics without any compromise in durability or appearance.
Natural fibres such as linen and organic cotton generally have lower production emissions than synthetic alternatives, though water use and agricultural practices vary. Wool has a moderate carbon footprint but offers exceptional durability, reducing replacement frequency.
Durability as a Carbon Strategy
The most effective way to reduce the carbon footprint of any fabric is to ensure it lasts as long as possible. Specifying high-performance fabrics with strong abrasion resistance, UV stability, and stain resistance extends the useful life and delays the carbon cost of replacement.
For commercial projects, this means selecting fabrics rated for 50,000 Martindale rubs or higher, with proven colour fastness. A fabric that lasts 10 years in a hospitality setting has half the annualised carbon footprint of one that needs replacing every five.
Practical Steps for Carbon-Conscious Specification
Reducing the carbon footprint of interior materials does not require radical changes to specification practice. These steps integrate carbon considerations into the standard material selection process.
- Request EPDs: Environmental Product Declarations provide the data needed to compare products on carbon performance. Make EPDs a standard requirement in material submissions.
- Prioritise recycled content: Products with verified recycled content reduce demand for virgin materials and their associated carbon emissions.
- Choose durability: Longer-lasting materials spread their embodied carbon over more years of use. Lifecycle cost analysis and lifecycle carbon analysis should go hand in hand.
- Consider transport distance: Materials manufactured in the Asia-Pacific region have lower transport-related emissions for Singapore projects than those shipped from Europe or the Americas.
- Plan for end of life: Specify materials with take-back programmes, recyclability, or biodegradability to reduce end-of-life emissions.
Final Thoughts
Reducing the carbon footprint of interior materials is both an environmental responsibility and an increasingly practical requirement for Singapore projects. With Green Mark 2021 placing greater emphasis on embodied carbon and whole-life sustainability, the materials specified today will be assessed against a rising standard.
By selecting products with verified environmental credentials, prioritising durability and recycled content, and planning for end-of-life, project teams can meaningfully reduce the carbon impact of interior fit-outs while delivering spaces that perform beautifully.
Book an appointment with our design consultants to explore sustainable flooring, wallcovering, and fabric options for your project.
