Article No. 145125
Lime-cement jointing mortar, machin- workable Strength class M5, maximum grain size 1 mm
Product specifications
On delivery
The stated values represent typical product characteristics and are not to be construed as binding product specifications.
Field of application
- Initial pointing
- Brick and natural stone masonry
- Mortar joints from 5 to 30 mm
Properties
- Machine workable
- Good flank adhesion
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Preparation
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Substrate requirements
Clean, dust-free and capable of supporting a load.
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Preparations
Joint depth min. 2 cm or double the joint width.
Sanded joint sides can lead to lateral detachment.
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Application
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Pre-wet the open, cleaned joint.
Using a suitable conveying pump, pour fresh mortar into the joint and press in but do not compress.
Only mix as much mortar as can be used within approx. 2 hours.
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Application instructions
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Once it has hardened, mortar must not be made workable again by adding either water or more wet mortar.
Protect wet mortar surfaces against frost, rain and drying out too quickly for at least 4 days.
The flank adhesion can be increased by adding ZM HF [basic] to the mixing water (ratio 1:10).
Wait at least 24 hours before applying subsequent layers.
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Working tools / cleaning
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Mixing tool, suitable feed pump, trowel, jointing iron, profiling tool (e.g. tubing)
Clean tools and equipment with water before the mortar sets.
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Storage / shelf life
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If stored in an unopened container and in a dry place, the product will keep for approx. 12 months.
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Usage
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Approx. 1.6 kg/l joint space
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Apply to a large enough trial area to determine the precise amount required.
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General information
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May contain traces of pyrite (iron sulphide).
Do not use on gypsum-based substrates.
The characteristic data of the product were calculated under laboratory conditions at 20°C and 65% relative humidity.
Low chromate content in accordance with Directive 2003/53/EC.
The mixing water must be of drinking water quality.
Alkaline binders may cause a dissolution process on non-ferrous metals.
Current regulations and legal requirements must be taken into account and deviations from these must be agreed separately.
The relevant test certificates must be observed when planning and carrying out work.
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Disposal instructions
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Larger quantities of leftover product should be disposed of in the original containers in accordance with the applicable regulations. Completely empty, clean containers should be recycled. Do not dispose of together with household waste. Do not allow to enter the sewage system. Do not empty into drains.
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Safety / regulations
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For further information on the safety aspects of transporting, storing and handling the product and on disposal and environmental matters, please see the current Safety Data Sheet.
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