# Plaster Retarder – Extrarime – Extends Plaster

Extratime is a chemical additive for use with finishing plasters.  The additive slows the curing process of the plaster by slowing the chemical crystal formation that causes the gypsum plaster to set or harden. Extratime is recommended for moderate lengthening of finishing plaster setting times. Extratime will lengthen the setting time by 30-60 minutes, depending on the ambient temperature, relative humidity of the environment, and the surface being plastered.

**Benefits**

-   Extend plaster setting times by up to 60 minutes
-   Ideal for plastering larger areas
-   Use with all finishing plasters
-   1 sachet for every 25Kg of plaster

## Details

- **Price:** 2.37 GBP
- **Vendor:** EAZYMIX LTD
- **Type:** Bonding & Finishes
- **Tags:** Bonding & Finishes, Building Materials, National, Plaster, Plastering, White

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 2.37 GBP | In stock |

## Images

- Plaster Retarder – Extrarime – Extends Plaster

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> Source: [Carvers Building Supplies](https://www.carvers.co.uk/products/plaster-retarder-extratime-extends-plaster-setting-times-by-up-to-60-mins)
> Updated: 2026-06-03