High calcium, fat lime putty (class A) is soft, breathable and extremely flexible, it is matured for at least 120 days. This material is used to make non-hydraulic lime mortar, plaster and render for building conservation projects.
Lime putty is manufactured by slaking quicklime in clean water then leaving it to mature. It sets by carbonation; the carbon in the atmosphere causes it to set.
The material is packaged in a tough, reusable plastic bucket (recyclable) which will prevent it setting. It can be stored indefinitely if it is kept sealed, airtight inside the bucket.
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- BS EN 459-1:2015
- 10.25kg (approx.)
- Bulk density
- 1,400kg/m³ (approx.)
- Shelf life
- Indefinite (Potentially)§
§ In storage, the product will settle over time. The lime will separate leaving a layer of water on the top. The product can be "whisked up" using a power drill and whisk / paddle attachment to return it to the ideal consistency.