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General Plaster FAQ

Can I use a drywall pan and knife to apply Earthaus Plasters?

Yes. Many drywall finishers are more proficient with a pan and knife than a hawk and trowel.   Depending on the finish, a trowel may be a better option for smoothing and burnishing once the plaster is on the wall.

Can I paint over Earthaus Plaster finishes?

Yes. Our finishes can be painted over.  For Soap sealed and burnished finishes, a light sanding may be needed to create a suitable bond for paint application.  A high quality primer is recommended prior to painting over Earthaus plaster.

Can Earthaus Plasters be applied in areas exposed to high heat?

Earthaus Plasters generally perform well in areas exposed to high heat. These materials are lime-based and naturally resistant to thermal stress, making them suitable for surfaces near fireplaces, stoves, and radiant heat systems. Lime plaster is non

What causes plaster to crack?

Plaster can crack due to two main causes: substrate movement or improper application. Each type has a distinct appearance, timing, and cause. Understanding the differences is key to diagnosing the problem and choosing the appropriate remedy. 1. Crack

How long do Earthaus plasters take to set up once mixed?

Earthaus plasters contain lime and fine pumice aggregate.  When mixed with water these two materials come together to form a mild pozzolanic (cementitious) reaction.   In contrast to cement, the Earthaus reaction happens relatively slowly.  Our plast