Mira X Plan Levelling Compound
Using Mira X Plan Self Levelling over water fed under floor heating pipes.
The condition of the existing floor has a decisive effect on the final strength of the compound.
The surface must be firm, cohesive and free from loose particles, dust, dirt, grease, etc.
Any cement slurry film and weak spots in the concrete underlay must be cut or ground away.
Loose dust is best removed with a vacuum cleaner, whereas grease, oil, etc. on concrete, painted surface or similar should be removed using – e.g. 7110 base cleaner, high pressure flushing or another effective cleaning method.
Priming should not be done until the surface is prepared and dry enough that the primer adheres.
Porous surfaces must be treated with 1 part 4180 primer thinned with 3 parts water. It must be worked well into the surface with a brush.
On impermeable materials such as painted surfaces and ceramic tiles, concentrated 4180 primer must be applied, followed by dry compound powder sprinkled and brushed into wet primer.
Wooden floor boards must be primed with concentrated 4180 primer.
If X-Plan is applied in several layers, primer must be applied to each layer.
The min. ambient temperature is 6 C°, the best 10-18 C°. Coverage: 0,1-0,2 litres of 4180 primer/m2
X-Plan should be mixed with approx. 4.5 litres of water per 25 kg x-plan.
Mixing is preferably done with an electric mixer or a mixing pump.
The mixture must be worked for at least 2 minutes, until it becomes of an even and smooth texture.
If the mixture is to be used in building up a fall in the floor, the quantity of water can be reduced to 4 litres per 25 kg X-Plan. Less water reduces the working time and the flow capacity of the mix.
X-Plan remains workable for approx. 30 minutes in an ambient temperature of 10-18 C°.
Concrete, Plaster, Light Concrete, Ceramic Tiles, Painted Surfaces
X-Plan must be applied immediately after mixing.
It levels itself, but if necessary can be smoothed and spread into corners with a smooth spatula.
Thickness on concrete, plaster, ceramic tiles, painted surfaces: 2-50 mm.
Thickness on light concrete: 5-30 mm
X-Plan must be applied immediately after mixing. On chipboard, plywood and floor boards it can be applied directly onto the primed surface.
If a wooden surface that has been treated with X-Plan is to be covered with a hard substance, e.g. ceramic tiles - special instructions are necessary. Thickness: 5-50 mm.
X-Plan is very suitable for building up thin heated floors.
Heating cables must be fastened to a non-flammable underlay with hot-melt adhesive.
If an inflammable underlay is used, a layer of X-Plan 5 mm. thick under the cables or the use of a 20 mm wire rendering mesh is recommended. A mesh is always recommended where X-Plan is to be applied to wooden floor boards.
The compound must cover the heating cables by min. 5-10 mm depending on the capacity of the cables and the stability of the underlay
Further surface treatment is possible when the levelling compound has hardened and dried. The drying time will depend on the moisture content of the underlay.
Normally, ceramic tiles can be laid after 6-12 hours.
At least 12-18 hours should be allowed after a mix has been applied before damp-proofing with 4180 sealer or 4400 Multicoat is applied.
When laying vinyl, linoleum etc. follow the suppliers instructions
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