Gräfix 66 HP
Lime-based adhesive render
CS I · based on white hydrated lime
A lime-based bonding plaster containing crushed limestone sand and adhesion-enhancing additives, designed to prepare critical substrates for subsequent lime plasters.
gräfix 66 HP is a vapour-permeable interior plaster with excellent sorption properties. Thanks to its ability to absorb and release moisture, it can help regulate moisture levels on the wall surface.
When used as an exterior render, gräfix 66 HP must always be provided with a weather-resistant finish.
Not suitable for use in the plinth area.
Supplied in: 25 kg bags
Grain size: 0 – 1.0 mm
- Standard plaster mortar in accordance with DIN EN 998-1
- Compressive strength CS I
- Grain size 0–1.0 mm crushed limestone sand
- approx. 19 litres of fresh mortar
- approx. 760 litres/tonne
- Supplied in 25-kg paper bags
- 42 sacks per pallet/1.05 tonnes
- Cement-free lime bonding render with air lime as a binder
- vapour-permeable
- highly alkaline
- mineral raw materials from our own limestone quarry
- free from plasticisers
- free from biocides
- free from preservatives
- the high pH value can create conditions on the surface that inhibit the growth of mould
- very good sorption properties
- Can be applied by hand or with a rendering machine
- Very good machine workability
- Suitable as a bonding agent for mineral-based interior surfaces
- Supports moisture regulation on the wall surface thanks to its sorption properties
- Suitable for vapour-permeable mineral-based interior wall structures
- Remove coatings that limit adhesion
- Pre-wet the substrate/masonry accordingly
- Mix one bag of Gräfix 66 HP with approx. 7 to 7.5 litres of water
- Plaster thickness: 3 mm to 5 mm
- Coverage: at a plaster thickness of 3 mm, approx. 280 m² per tonne, approx. 7 m² per bag
- Drying times: at least 1 day per mm of plaster thickness
- Please refer to the technical data sheet!
- Technical Data Sheet ► (DE) - (EN)
- Safety Data Sheet ► (DE)
- Brochure: ‘Lime plaster: as old as the hills and right on trend’
- Brochure: ‘Heritage Conservation, Preserving Value’
gräfix Kalklinie excellent
Mineral coatings such as air lime plaster: a mainstay of building biology
Lime plaster is used in both new-build and renovation projects for residential properties. Purely mineral air lime plaster combines various properties relevant to building biology and building physics.
Thanks to its high open porosity and sorption properties, air-drying lime plaster can absorb and release moisture. This enables it to help regulate moisture levels on the wall surface.
Due to its high pH value, conditions are created on the surface that can inhibit the growth of mould. gräfix air lime plasters are suitable for vapour-permeable mineral wall systems.
Trust through transparency
The gräfix lime range is based on a mineral formulation. The air lime plasters were tested in 2017 by the Institute for Building Biology and Sustainability (IBN) in Neubeuern.
