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1351
MASONRY MORTAR 5MPa
Formerly
Your best choice for aerated concrete masonry
Thin-bed masonry mortar that reduces thermal bridges
- 5 MPa cement mortar: for reliable masonry of aerated concrete structures.
- For thin-bed masonry: reduces thermal bridges.
- Factory-mixed: produced under strict quality control.
Area of application
- Outdoors: wall
- Indoor: wall
Processing method
- For hand and machine processing
- Mortar with standard strength for masonry of perimeter, load-bearing walls. For thin-layer masonry of aerated concrete structures.
Masonry of aerated concrete blocks
Processing details
Learn more about technical details for processing this product.
Substrate requirement
The substrate must comply with the applicable standards, must be solid, free of loose particles, free of dust, paint, residues of demoulding products and efflorescence. It must be sufficiently rough, dry and evenly absorbent. The surface shall not be frozen or water-repellent. The substrate shall be stable in volume.
Substrate preparation
Depending on the absorbency of the substrate and climatic conditions, especially in warm weather, moisten the masonry sufficiently to prevent the mortar from drying out prematurely. In cold weather, on the other hand, the masonry must be dry. The substrate must comply with the applicable regulations, norms or recommendations of the material manufacturer.
Preparation of the mixture
Pour 25 KG of CEMIX 1351 MASONRY MORTAR 5MPa into 5.75 - 7 L of clean water. Mix 5 minutes using a drum mixer or by means of a slow-running propeller mixer to a homogeneous mixture without lumps.
Let the mixture ripe for 3 minutes. Then mix briefly again.
Use suitable machines for machine processing.
Water demand
| Quantity | Liters (Min) | Liters (Max) |
|---|---|---|
| 1 kg | 0.23 L | 0.28 L |
| 25 kg | 5.75 L | 7 L |
Mixing
Mixing time
5 min
Mixing speed in Rpm
800x/min
Ripe time
3 min
Processing instructions
Spread the mass on the prepared substrate with mason's trowel or mortar sledge. Immediately after the mortar is applied, set the block and level it out. Protect the applied material from fast drying, direct sunlight, rain and frost.
Application thickness
| Minimum layer thickness | 2 mm |
|---|---|
| Recommended layer thickness | 3 mm |
| Maximum layer thickness | 6 mm |
Consumption
Material consumption min.
1.3
Material consumption max.
-
Material consumption in measuring unit
kg/m²/mm
Yield
| Material consumption | at | unit | Yield |
|---|---|---|---|
| 25 kg | 3 | MM | 6.41 m² |
Working time (potlife)
150 min
Treatment after application
Avoid sun, heat, humidity and draughts. Protect from frost and rain. Direct heating of the surface is not permitted.
Tool and cleaning instructions
Wash off tools with water immediately after finishing work. Clean dried residues mechanically.
Technical parameters
| Main binder | Grey cement |
| Made of material | Mineral filler, lime hydrate and additives improving processing and utility properties. |
| Flammability class | A1 |
| Max. grain size | 0,7mm |
| Full load after | 28 d |
| Compressive strength 28 days in N/mm² | 5 N/mm² |
| Thermal conductivity λ in W/(m.K) | 0.49 |
| Water vapour diffusion resistance factor µ | 35 |
| Dry bulk density in Kg/m³ | 1300 |
| Dry bulk density in Kg/m³ to | 1600 |
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