This article summarizes the official Earthaus Lime Slurry Product Data Sheet, adapted for clarity and ease of reference.
What Is Lime Slurry?
Earthaus Lime Slurry is a breathable, hand-brushed plaster coating for both interior and exterior applications. It provides a matte, opaque finish with a soft sandy texture. The slurry allows the underlying substrate's silhouette to subtly show through, preserving natural character while delivering a refined, timeworn aesthetic.
Formulated with hydrated lime, pumice pozzolan, and fine aggregates, Lime Slurry is packaged as a powder requiring mixing with water.
Composition
Hydrated lime
Pumice aggregates
Cellulose binder
<5% Acrylic additive
Packaging
25 lb bag: makes 5 gallons (pallet: 60 bags)
5 lb box: makes 1 gallon
Properties
No VOCs, microplastics, phthalates, or toxic additives
Excellent adherence and workability
Durable and breathable
Will not dust off over time
UV resistant
Colorfast
Usage & Installation
For compatible substrates, see the Lime Slurry Finish Application Guide.
In exterior applications, Lime Slurry can deteriorate if not properly detailed.
Color
Standard: white with a light grey undertone.
Available in 54 mineral pigment colors.
1-gallon size: pre-tinted.
5-gallon size: includes pigment pack to add during mixing.
Applied Thickness & Coverage
Coverage varies with substrate porosity and texture.
1 gallon (5 lbs): covers ~35 ft².
5 gallons (25 lbs): covers ~175 ft².
Sealing
For a water-resistant yet vapor-permeable finish:
Interior: seal with Earthaus Olive Oil Soap Sealer.
Exterior: seal with Earthaus Breathable Sealer.
Storage
Mixed slurry: store covered at room temperature up to 14 days; remix before reuse.
Unmixed bags/boxes: store dry, low humidity, up to 1 year.
Disposal
Allow excess Lime Slurry to dry completely.
Dispose of dried slurry in household trash.
Safety Information
Hydrated lime is strongly alkaline and can cause severe injury on contact with eyes or skin. Dust inhalation may irritate the respiratory system.
Required PPE: gloves, eye protection, long sleeves, dust mask/respirator.
Avoid: skin and eye contact, prolonged dust inhalation.
Emergency response:
Eyes: flush with water, seek immediate medical attention.
Skin: wash with water and mild soap; consult physician if irritation persists.
Inhalation: move to fresh air; seek medical attention if symptoms persist.
Ingestion: do not ingest; seek medical attention immediately.
Disclaimer
Performance and aesthetics of Lime Slurry depend on proper handling, preparation, and installation techniques. Earthaus does not assume responsibility for final outcomes.
© 2025 Earthaus Plaster LLC. All rights reserved.
Still Have Questions?
Email support@earthausplaster.com or text 1-800-917-2414.