Better materials, within reach.
A register of building materials with sustainability and carbon data up front - sourced locally, specified with confidence. Reclaimed timber, natural insulation, and low-carbon concrete from suppliers near you.
- Carbon data up front
- Local suppliers
- Verified credentials shown
How it works
Built for sourcing and supplying better materials.
For teams sourcing materials.
- 01
Search the register
Filter by material, certification, or how far it has to travel.
- 02
Compare the carbon
Read embodied-carbon figures and EPDs side by side - no guesswork.
- 03
Request direct
Message the supplier yourself. No middlemen, no markup.
For teams supplying materials.
List your materials
Publish specs, certifications, and sustainability credentials in one profile.
Build trust
Add certifications and carbon data as you go. Verified credentials get a badge buyers can see.
Win the work
Reach architects, builders, and home renovators actively sourcing for their projects.
Browse by category
Every category, sourced sustainably.
Timber & Wood
Structural CLT, cladding & reclaimed stock
Insulation
Wood fibre, sheep wool, hemp & cork
Windows & Glazing
Timber, aluminium & triple glazing
Aggregates & Concrete
Recycled aggregates & low-carbon concrete
Masonry & Stone
Lime mortars, hempcrete, clay brick & stone
Finishes & Coatings
Natural paints, oils & sealants
Resources
Learn before you buy.
Plain-English guides to materials, alternatives and the certifications behind them.
Alternatives to PIR Insulation
Lower-impact insulation options, and when to specify each one
How to Read an Eco Label as a Homeowner
FSC, PEFC, EPD, Blue Angel and more, without the architect-speak
Embodied Carbon Explained
What it is, why it matters, and how to reduce it through better material choices
Build with better materials.
Compare materials with sustainability and carbon data where suppliers share it, or list your own and reach the people building with them.