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Certification

How to Read an Eco Label as a Homeowner

FSC, PEFC, EPD, Blue Angel and more, without the architect-speak

6 min readUpdated July 2026

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Why eco labels are confusing

Eco labels do not all measure the same thing. Some check where a material came from, some test indoor air emissions, some publish carbon data, and some assess the company behind the product. A label can be useful and still not answer the question you thought it answered.

For homeowners, the easiest approach is to ask: what claim is this label proving? Responsible timber? Low emissions? Ingredient transparency? Whole-product environmental performance? Once you know the job of the label, it becomes much easier to compare products.

Quick decoder

Use this as a plain-English first pass when you see a logo on paint, timber, flooring, insulation, furniture, or a supplier profile.

LabelWhat it is useful forWhat it does not prove
FSCTimber, paper, and wood products from responsibly managed forests or recycled sourcesLow VOCs, low carbon, or chemical safety
PEFCResponsible forestry and chain-of-custody for timber and wood productsProduct emissions or embodied carbon
EPDTransparent lifecycle environmental data, especially embodied carbonThat the product is automatically low-impact or healthy
Blue AngelStrict environmental and health criteria for certain product groups, especially indoor productsThat every product category is covered
EU EcolabelA multi-criteria environmental label for products like paints, flooring, and cleaning productsA specific carbon figure
GreenguardLow chemical emissions into indoor airWhere the material came from or how it was made
DeclareIngredient transparency and Red List screeningLow carbon or low emissions by itself
B CorpCompany-level social and environmental performanceThat every product made by the company is sustainable

Match the label to the job

The right label depends on what you are buying and where it will be used.

If you're…Look for
Buying timber, plywood, doors, or deckingFSC or PEFC
Painting a bedroom, nursery, or home officeLow-VOC information, Blue Angel, EU Ecolabel, or Greenguard
Choosing flooring, adhesives, or composite boardsGreenguard, Blue Angel, Declare, or formaldehyde test data, rather than generic green claims
Comparing insulation, concrete, plasterboard, or larger building productsAn EPD, to understand embodied carbon
Choosing between brands with similar productsB Corp or other company-level certification, as a tie-breaker rather than the whole answer
Buying reclaimed or second-hand materialsProvenance and condition - labels matter less than inspection

Tip. No single logo means 'this is the best product'. Good choices usually combine the right label, the right material for the job, and enough product information to avoid guesswork.

Green-claim red flags

Some packaging is designed to feel sustainable without proving much. Treat these claims as a prompt to ask for evidence.

  • Leaf icons with no named certification
  • Words like eco, natural, green, planet-friendly, or non-toxic without evidence
  • A company-level award used to imply every product is certified
  • A certificate with no number, date, scope, or public listing
  • Carbon neutral claims that rely only on offsets and do not show product impact
  • Recycled content claims without a percentage

What to check before trusting a label

You do not need to become a certification expert. A few checks catch most weak claims.

CheckWhat to ask
ScopeDoes the label apply to this exact product, or just the company?
Current statusIs the certificate still valid?
Product categoryDoes the label cover the thing you care about for this product?
Public registryCan you find it on the certifier's website? See the links below.
LevelIs it standard Greenguard or Greenguard Gold? FSC Mix or FSC 100%? Declare Red List Free or simply Declared?

Using labels on Matera

On Matera, use certification filters as a shortcut, then open the material profile to check what the label is attached to. A good product page should show the exact certification, certificate number or document, and which product it applies to. If that is missing, ask the supplier before buying or specifying.