Resources

Everything you need to know about hempcrete — what it is, how it's made, and why it matters.

The science behind hempcrete — how hemp and lime combine, how it cures, and what makes it an effective insulating material.

A practical overview of how hempcrete construction works — from frame to finish, including mixing, casting, and curing.

A side-by-side comparison of hempcrete and conventional concrete across strength, weight, cost, and environmental impact.

How hemp absorbs carbon during growth and why hempcrete buildings can be carbon negative over their lifetime, and why that depends on the mix and how far the materials travel.

Step-by-step guide to mixing and casting hempcrete — ratios, equipment, and technique.

The three main ways to build with hempcrete and when to choose each approach.

How to finish hempcrete walls with lime plaster inside and render outside.

How long hempcrete takes to dry and cure, and what happens during the carbonation process.

How hempcrete performs thermally — U-values, thermal mass, and energy efficiency in practice.

Why hempcrete's breathability matters and how it manages moisture within a wall.

The fire performance of hempcrete — what tests show, including our own fire test, and how it compares to other materials.

Hempcrete is not load-bearing — here's what that means and how structural frames work with it.

A realistic breakdown of hempcrete material and installation costs compared to conventional building.

A practical guide to getting hempcrete approved — building regulations in the UK and US, planning permission, and how to work with building control.

How to source quality hemp hurd and lime binder for your build, and what to look for.