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Lime Stucco Coarse Finish — Product Data Sheet

Specifications for Lime Stucco Coarse Finish: composition, coverage, packaging, storage, and safety.

This Help Center article is a summary of the official Lime Stucco Coarse Finish Product Data Sheet. Download the full Lime Stucco Coarse Finish Product Data Sheet (PDF).

Description

Lime Stucco Coarse Finish provides a durable, breathable finish with a coarse rustic texture. It is formulated with hydrated lime, pumice pozzolan, and selected aggregates, mixed with water and optional mineral pigments. It is ideal for exterior walls in residential, commercial, and heritage restoration projects.

Composition

  • Hydrated lime

  • Pumice aggregates

  • Cellulose binder

Packaging

  • Bag size: 32 lbs

  • Pallet quantity: 60 bags

Properties

  • 100% natural materials

  • Zero VOCs or chemical additives

  • Durable, breathable, and mold-resistant

  • Absorbs CO₂ during curing, reverting back into limestone

Usage

Designed for application over:

  • PHL Binder base coats

  • Absorbent cementitious base coats

  • Plaster base coats

Installation

For comprehensive substrate preparation and application instructions, see the Lime Stucco Finish Installation Guide. In exterior applications, lime finishes can be susceptible to deterioration if not properly detailed — refer to Project Planning & Preparation for best practices.

Applied Thickness & Coverage

  • Maximum applied thickness: 1/4 inch

  • Coverage: ~50 ft² per 32 lb bag

Color

  • Standard color: white with a light grey undertone.

  • Tinting: can be pigmented with Earthaus mineral pigments or universal colorants.

Sealing

Storage

  • Mixed: store covered at room temperature for up to 14 days; remix before use.

  • Unmixed bags: store dry, in low humidity, up to 1 year.

Disposal

Allow excess Lime Stucco to dry completely, then dispose of the dried finish in the trash.

Safety Information

Hydrated lime is strongly alkaline.

  • Required PPE: eye protection, gloves, long sleeves, dust mask or respirator.

  • Eyes: flush with plenty of water; seek immediate medical attention.

  • Skin: wash with water and mild soap.

  • Inhalation: move to fresh air; seek medical attention if symptoms persist.

  • Ingestion: do not ingest; seek immediate medical attention.

Customer Support

For product questions, email [email protected].

© 2025 Earthaus Plaster LLC. All rights reserved.

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