What is hemp lime plaster used for?

Hemp lime plaster can be used in similar applications as standard plaster, such as coating walls, ceilings, and partitions. While it is breathable, it should not be used in wet or damp areas.

Can I paint over hemp lime plaster?

Yes, you can paint over hemp lime plaster. Hemp lime plaster requires paint that is vapor permeable, such as mineral or clay paint. Latex paints should not be used as they partially seal the plaster and reduce breathability, leading to potential problems over time.

How do you apply lime hemp plaster?

Hemp lime plaster needs to be applied to dry walls that have been lightly misted. It's important to note that walls that are too wet will take longer to set. Hemp lime plaster can be applied using a steel trowel in single 15-25mm coats, depending on the substrate. It's important to dampen the surface before trowelling and over-wetting can cause issues. For full application instructions and uses, consult the manufacturer or product packaging.

Is hemp lime plaster waterproof?

Hemp lime plaster is highly resistant to insects, fungus, and mold. It can withstand rainy or wet environments but should not be used in areas regularly exposed to water.

Is hemp lime plaster breathable?

Hemp lime plaster is strong, flexible, and breathable, making it an excellent option for restoration projects and new construction with an ecological focus.

Why does lime plaster crack?

It's not uncommon for a hemp lime plaster base coat to crack. If additional hemp lime plaster layers crack, it could indicate that they are not adequately prepared or are not being mixed correctly.

Is hemp lime plaster durable?

Hemp lime plaster has more flexural strength than traditional lime plaster making it durable and better for curves, bends, corners, recesses, and generally vulnerable areas.

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Hemp lime plaster is a plaster made by blending hemp fibers, high calcium lime, and a pozzolan as a setting agent. To harden, hemp lime plaster needs to be exposed to carbon dioxide. It's both breathable and flexible and is suitable for both new builds and renovations.

Hemp lime plaster is often sold in bags and available in two grades; fine and medium. While hemp fibers improve the plaster's strength and flexibility, it can also increase the thermal properties. Based on your intended use, manufacturers can suggest use and application and potentially provide insights into thermal improvements.

Hemp lime plaster can be recyclable during demolition and lower the acidity levels in cultivated fields or reintroduced into nature.

Since hemp lime plaster is mixed on-site at the time of use, there is little to no construction waste.

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