Better materials, within reach.
A register of building materials with the carbon and sustainability data up front. Reclaimed timber, natural insulation and low-carbon concrete from suppliers near you, for a big project or your own home.
or browse the whole catalogue · doing it yourself? start with our guides
Carbon data
From EPDs, reviewed by us
Certifications
FSC, PEFC, EPD and more
Local suppliers
Distance and delivery areas
Built for sourcing and supplying better materials
Sourcing materials
Search the register
Filter by material, certification, or how far it has to travel.
Compare the carbon
Read embodied-carbon figures and EPDs side by side - no guesswork.
Request direct
Message the supplier yourself. No middlemen, no markup.
Supplying materials
List your materials for free
Publish specs, certifications, and sustainability credentials in one profile. No subscription or listing fees.
Build trust
Add certifications and carbon data as you go, so buyers can see them.
Win the work
Reach architects, builders, and home renovators actively sourcing for their projects.
Free to list · No subscription
Every category, from timber to glazing
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
Learn before you buy
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
Wood Fibre Insulation
A low-impact alternative to PIR and mineral wool
Build with better materials.
Compare materials with carbon and sustainability data where suppliers share it, or list your own for free and reach the people building with them.