lightweight masonry mortar
gräfix 87
Lightweight masonry mortar 21
with expanded glass and mineral lightweight aggregates, mortar group M 5
The lime-cement-based lightweight masonry mortar contains additives that improve water retention and processing. It fulfils special requirements in terms of strength and dry bulk density and is used for laying highly thermally insulating lightweight masonry bricks, such as Poroton, vertically perforated bricks and lightweight concrete blocks.
Delivery: 20 kg bag
Loose goods in building site silo
Grain size: 0 - 2.5 mm
- Lightweight masonry mortar corresponding to mortar group M 5 according to DIN EN 998-2
- Dry bulk density ≤ 700 g/l
- Thermal conductivity ≤ 0.18 W/m-K
- Grain size 0 - 2.5 mm mineral lightweight aggregates according to DIN 4226
- approx. 33 litres of fresh mortar
- approx. 1650 to 1700 litres/to
- Processing time approx. 2 - 3 hours
- Delivery in 20 kg paper bags
- 50 bags per pallet = 1.0 tonnes
- with purely mineral lightweight aggregates and lightweight sands
- Extremely economical lightweight masonry mortar
- Very easy to work with
- For laying highly thermally insulating lightweight bricks
- Mix one bag of gräfix 87 with approx. 7 litres of water
- for silo goods/loose goods, gräfix 87 is mixed directly from the silo into the crane bucket
