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HML 1 / Historical plaster

  • Reinforced with polypropylene fibre
  • Maximum fraction 1mm
  • Does not contain cement
  • Designed for the creation of the upper finishing layer on HML-4 plaster
  • For new and renovated buildings
  • Suitable for restoration and repair of loose and porous plasters
  • Suitable for use on old lime plasters
  • High water vapor permeability
  • Excellent resistance to temperature fluctuations
  • Excellent adhesion to the surface
  • Ecologically clean
  • Easy to process

Processing

  • The surface to be renovated must be dry, cleaned of dirt, grease, lichen, paint
  • Alkyd-based coatings must be mechanically removed from the entire surface
  • Gaps and brickwork seams must be carefully cleaned of atmospheric dirt
  • Loose parts should be separated to the hard layer of the surface
  • Cracked and loose materials are recommended to be separated mechanically or with a high-pressure washer
  • The layer of old plaster damaged by salts should be cleaned 1m above the upper line of salinization
  • Treat the old plaster with SAKRET TGW primer
  • SAKRET HML1 is a loose consistency material
  • The mortar can be prepared with a mixer, a concrete mixer or the mortar preparation and development technique offered by SAKRET SERVISS
  • The mortar is stirred for 3 - 5 minutes until it acquires a homogeneous consistency
  • Layer thickness: from 3 to 12 mm
  • Lime, cement or additives improving the properties of the concrete composition must not be added to the dry mixture
  • Do not use dirty equipment and bags stored in inappropriate conditions or previously opened for the preparation of plaster
  • The technical data refers to a temperature of +20°C and 50% relative air humidity. Lower temperature increases, higher - decreases the specified values
  • During the hardening phase of the mortar, protect from the sun, drafts and excessively high temperatures (>30°C)
  • Protect fresh adhesive from rain and too rapid drying
  • When the mortar has started to bind, no more water can be added!
  • Wash containers and tools with water immediately after processing the mortar
  • Hardened mortar can only be removed mechanically
  • Contains lime, reacts alkaline
  • Protect skin and eyes, follow technical instructions. If the mortar gets into the eyes, rinse with a large amount of water, if necessary, consult a doctor
  • Protect the packaging from weather conditions, store on wooden pallets, in a cool and dry place, cover torn packaging immediately

Packing

  • 25 kg / paper bags / 48 bags on a pallet
  • 1,000 kg / Big-Bag packaging / pre-ordered
  • 10,000 kg - 20,000 kg / mobile transport silos

Tehnical data

Cement content in the dry mixVolume of ready mortar (25 kg)Strength classConsumptionGrain sizeAchieving full hardnessDrying for 1mm plaster layerAir content in fresh mortarFire safety classStorage time
0%~ 19 lCS I~13 kg/m² (if the thickness of the layer is 10mm)≤1mmAfter 28 days24 h14%Euro class A1 (non-flammable)12 months
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