General Information

Application Systems Guide

For a visual breakdown of how each application process works with each plaster, please review our spreadsheet detailing the requirements of each.
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Traditional Substrate Preparation

An overview of compatible and noncompatible substrates and instructions for surface preparation.
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Maintenance & Repair Manual

In-depth instructions for maintaining and repairing the plaster along with a chart to keep track of plaster and color use.
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Troubleshooting Guide

Answers to potential problems, such as mixing difficulties, cracking or peeling plaster and color issues.
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Gypsum Board/Drywall Preparation Guide

Here is a breakdown of how to prepare Gypsum Board/Drywall from level #0 to level #5.

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Product Application


Ready to get started? We have several easy methods for turning your home into a natural beauty. Below you will find overviews and instructions on each method. If you want a more hands-on experience, stop by our workshop page to get your hands on our clay!

Choose the system that is right for you!

Traditional System (three coats)

Take it easy with our traditional system. This method is ideal for first-time uesrs but still creates professional-level results. The traditional system primes most substrates with American Clay Sanded Primer Elite, followed by two coats of plaster.
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Dos Manos Classic System (two coats)

Dos manos are better than one! Experienced plasterers can save time, labor and materials costs (about 5% per square foot in product cost and about 20% of their time) by skipping most of the priming and adding Mud Glue™ or Add-Mix to the first coat of plaster to help it adhere to the substrate. This is followed by a second coat of plaster without the Mud Glue™ or Add-Mix.
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Dos Manos Professional System (two coats)

This one's for the pros. Commercial installations that need extra impact-resistance can use Mud Glue™ or Add-Mix in both coats of plaster. Compression is required to complete the application. Like the Dos Manos Classic, it saves time and labor by skipping most of the priming. With the extra Mud Glue™ or Add-Mix, materials cost about the same as the Traditional System. This system should be installed by artisans experienced with American Clay plasters.
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Enjarre™ System (single coat)

Enjarre™ (n-har-ray) is our newest single coat plaster. The Enjarre™ system brings a new dimension to the application of American Clay Earth Plasters. It was created to offer affordability for large commercial projects. However, it also provides a unique option to homeowners or builders so that they can choose to start with a single coat of plaster and later upgrade with a second coat of one of our premier plasters.  Enjarre™ can be both sprayed on or hand applied.
Download Basic Application Instructions »
Download Complete Application Instructions »

Lime Gauging System

American Clay has released a pure high-calcium lime putty to be used in conjunction with our line of award-winning earth plasters – Loma, Porcelina, Marittimo and Enjarre. The addition of lime putty by mixing it in with the clay plaster is called "Lime Gauging". This system gives the clay additional strength as the lime will harden the surface over time.  Lime gauging does however lighten the color of the plaster significantly.
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Lime Washing System

American Clay has released a pure high-calcium lime putty to be used in conjunction with our line of award-winning earth plasters – Loma, Porcelina, Marittimo and Enjarre. The addition of lime putty by diluting it with water and brushing it across the clay’s surface is called "Lime Washing".  This system is used to brighten the colors of the clay as well as give additional hardness and water resistance to the surface.
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Spraying On American Clay

American Clay Earth Plasters can be sprayed through various texture spray systems. Rotor pumps, rotor/stator pumps and diaphragm pumps have all produced good results. Material consistency varies with the system and the length of the hose being used. Spraying saves a significant amount of time and labor during application but more prep time is required to protect adjacent surfaces.
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Watch Video Demonstration »

Artistic Applications

You can do almost anthing with American Clay Earth Plasters.  It is really up to your imagination.  Some of the more common artistic applications include stencils, blending and creating unique textures.
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