AUS Lime & Clay Coatings
Natural breathable coatings for healthier, more sustainable buildings
Natural Lime & Clay Plasters
Lime and clay plasters create healthier indoor environments by naturally regulating humidity, reducing condensation and supporting superior indoor air quality. Crafted from natural materials, they deliver timeless beauty, exceptional breathability and lasting comfort for modern homes.
Lime & Clay Coatings
Natural Breathable plasters, renders and decorative finishes for sustainable construction
SAINT ASTIER
Saint Astier is recognised worldwide for its high-quality natural hydraulic lime products. Suitable for renders, plasters, masonry work and heritage restoration projects.
KALAMUA
Decorative clay and lime coatings that combine natural beauty with excellent moisture regulation and indoor air quality benefits.
Tradeco
TradeCo supplies a range of render and finishing products suitable for sustainable building systems and modern construction applications.
ISOHEMP
IsoHemp Coatings are specifically designed for IsoHemp Hemp Blocks, providing breathable, vapour-permeable finishes that support healthy, high-performance wall systems..
PC INTERIOR PLASTER
Specifically developed for hemp block construction, IsoHemp Interior Plaster provides a breathable finish that complements the natural performance of hemp walls.
Prokalk Binder
ProKalk Binder is specifically formulated for mixing with hemp shiv, creating breathable, vapour-permeable hempcrete systems that support healthy, high-performance buildings
Natural Adhesive
IsoHemp Natural Adhesive Mortar is specifically developed for laying IsoHemp Hemp Blocks, providing strong bonding, vapour permeability and optimal wall performance.
Hemp Shiv
IsoHemp Hemp Shiv is a premium-quality hemp aggregate designed for mixing with ProKalk Binder, creating breathable, high-performance in-situ hempcrete walls.
Black Mould & Moisture Control
High humidity and trapped moisture create the perfect conditions for black mould. Breathable building systems help regulate moisture naturally, supporting healthier indoor environments and improved long-term building performance.
Controls indoor Humidity Naturally
Absorbs and releases moisture to help maintain balanced indoor humidity levels.
Reduces Condensation Build-Up
Helps minimise surface condensation that can damage walls and finishes.
Helps Prevent Black Mould
Creates conditions that discourage mould growth and support healthier living spaces.
Improves Indoor Air Quality
How Breathable Building Systems Work
Unlike conventional wall systems that can trap moisture, breathable construction materials allow water vapour to move naturally through the building envelope, helping maintain healthier indoor conditions year-round..
Humidity Rises
Cooking, showers, washing and daily living create moisture inside the home.
Moisture Is Managed
IsoHemp blocks, lime and clay coatings and natural insulation help transfer excess water vapour through the wall system.
. Balanced Indoor Climate
As conditions dry, moisture is gradually released, helping maintain a comfortable and healthy indoor environment.
Reduced Mould Risk
By avoiding trapped moisture, the conditions that encourage black mould are significantly reduced.
Thermal Time Lag
Dense natural wall systems slow the transfer of heat through the building envelope, helping maintain more stable indore temperature day & night
Thermal Time Lag & Stable Indoor comfort
Hemp block wall systems can slow heat transfer through the building envelope, helping stabilise indoor temperatures. In well-designed homes, this can help maintain comfortable internal conditions around 23–24°C for longer periods, reducing reliance on heating and cooling.
Energy Savings for a Average Size House
Based on typical heating and cooling use, a well-designed hemp block home may reduce energy demand by approximately 40–70%, potentially saving $12,000–$35,000+ over 20 years, depending on climate, home size, orientation, glazing, solar gain, insulation, energy prices and occupant behaviour.