NORIT bonded fill

A cement-bound, lightweight levelling compound with mineral and organic lightweight aggregates. For large and varying height differences up to 300 mm, in new construction and renovation. Can also be used under a wet screed.

Layer thickness 10–300 mm
33 litre bag
Fire class A1
Walkable after approx. 24 hours

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What is NORIT bonded fill suitable for?

Filling large and varying height differences, up to 300 mm.
Level, heat-insulating underlays that carry a lot despite their low weight.
No settling or further compaction after drying.
High compressive strength, easy to pump and a constant, homogeneous mix.
Under NORIT screed and NORIT underfloor heating, and also under a wet screed.

Waiting time

After approx. 24 hours the fill is walkable. After approx. 1 day per cm of layer thickness you can lay NORIT screed or NORIT underfloor heating (at 20 °C and 65 % relative humidity).

Technical data

Composition	Cement-bound lightweight levelling compound with mineral and organic lightweight aggregates
Layer thickness	10–300 mm, max. 300 mm per layer
Bulk density	450 kg/m³ (dry mix), 550 kg/m³ (installed)
Compressive strength	1.9 N/mm²
Flexural strength	1.0 N/mm²
Point load	max. 5.0 kN
Thermal conductivity	0.11 W/(m·K)
Water vapour diffusion resistance factor	5/20
Fire class	A1 (EN 13813)
Working temperature	5–25 °C (air and subfloor)
Water	approx. 8–9 litres per bag
Working time	approx. 30 minutes
Walkable	after approx. 24 hours (20 °C, 65 % RH)
Ready for covering	after approx. 1 day per cm of layer thickness (20 °C, 65 % RH)
Packaging	33 litre bag, 35 bags per pallet (approx. 525 kg)
Storage	Dry on pallets, shelf life at least 12 months; protect from frost and moisture

Source: Lindner product data sheet NORIT-Gebundene Schüttung (version 1.0, German) and the NORIT Bound Levelling Compound product page.

Consumption per m²

Height	Litres	Bags	Dry weight
10 mm	10	approx. 0.3	5.5 kg
50 mm	50	approx. 1.5	27.5 kg
100 mm	100	approx. 3.0	55 kg
300 mm	300	approx. 9.0	165 kg

According to the Lindner product data sheet.

Installation

Tools: hand mixer or mixing pump, screed bar, water level hose or levelling instrument.

1Set out screed strips of bonded fill at the correct height, directly along the wall or approx. 50 cm away from it. Lay the next strips parallel to it; the distance depends on the length of the screed bar.
2Check the height with a water level hose or a levelling instrument.
3Mix with approx. 8–9 litres of water per bag: approx. 2–3 minutes with a hand mixer, or continuously with a mixing pump. Use the mix within approx. 30 minutes.
4Apply the fill between the strips and screed it level. Protect the surface from draughts and direct sunlight while drying.
5After approx. 24 hours the fill is walkable; cover the walkways. After approx. 1 day per cm of layer thickness you can lay NORIT screed or NORIT underfloor heating.

How many bags do you need?

1 mm over 1 m² is 1 litre. 33 litre bag; without reserve.

Area in m²

Height in mm

31bags of 33 litres

Approx. 1,000 litres, approx. 550 kg

Ready for covering after approx. 5 days (at 20 °C and 65 % RH)

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