gräfix 61 Hair coarse
Coarse hair-lime base plaster
CS I - pure air lime plaster without added cement
Base plaster for diffusion-open interior plaster with air lime and animal hair for increased compressive and flexural tensile strength under gräfix 61, gräfix 61 fine, which ensures an optimum indoor climate due to its extensive moisture exchange. Thanks to its ability to absorb nitrogen oxides and volatile organic compounds (VOCs) through the clean air effect. As an exterior render, gräfix 61 Hair coarse should always be provided with weather protection. The coarse grain size of 4.0 mm makes it particularly suitable as a base render, e.g. on clay or reed, for a non-slip substrate for the subsequent render coats.
Delivery: 30 kg bag
Grain size: 0 - 4.0 mm

- Standard plaster mortar according to DIN EN 998-1
- Pure hand plaster
- Compressive strength CS I
- Diffusion resistance μ 6-9
- Grain size 0 - 4.0 mm crushed limestone sand
- Approx. 22 litres of fresh mortar
- approx. 730 litres/to
- Processing time approx. 3 - 4 hours
- Delivery in 30 kg paper bag
- 40 bags per pallet/1.2 tonnes
- Cement-free lime base plaster with air lime as a binder
- reinforced with animal hair
- free of plastic or synthetic resin components
- absolutely open to diffusion
- highly alkaline
- natural raw materials
- 100 % emission-free/VOC-free
- without plasticisers
- without biocides
- without preservatives
- very good sorption properties
- antiseptic and mould-inhibiting
- can be applied by hand
- ideal for reed or clay substrates
- ideal for healthy living interiors
- Remove coatings that restrict adhesion
- Pre-wet the substrate/masonry accordingly
- gräfix 63 SB is required as a bonding agent for smooth substrates
- alternatively, pre-wet with gräfix 66 HP rough
- Precoat non-mineral substrates with gräfix 66 HP rough
- Mix one bag of gräfix 61 hair coarse with approx. 8.5 litres of water
- apply by hand, application must be in several layers
- Plaster thickness: min. 8 mm to max. 15 mm per layer
- Yield: with 15 mm plaster thickness approx. 50 m² per tonne
- Drying times: min. 1 day/mm plaster thickness
- Observe technical data sheet!
gräfix lime line excellent
Air lime plasters are indispensable in building biology
No other wall coating has comparable building biology and physical properties to mineral lime plaster and creates such a pleasant, healthy indoor climate by absorbing nitrogen oxides and volatile organic compounds (VOCs) and balancing the humidity in the room.
This is why lime plaster is becoming increasingly important in new builds and renovations. Especially when children live in the household, the topic of "healthy living" is increasingly taking centre stage. In terms of health and environmental compatibility, pure mineral lime plaster is the ideal building material. Due to its natural properties, it is extremely valuable in terms of building biology and building physics.
Our air lime plasters have long been put through their paces by one of the best institutes in the field of building biology. The intensive laboratory work, lengthy tests and results of decades of experience have paid off.
An expert report confirms the functionality of our gräfix lime line on a purely natural basis and is proof of quality and earned trust.