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VOLMA-UNISHOV

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Description VOLMA-UNISHOV

VOLMA-Unishov is a multifunctional durable dry fiber-reinforced putty mix based on natural gypsum binder and modified with mineral and chemical additives to assure strong adhesion, water-retaining capacity, and optimal service life.

Specifications
  • Minimal application thickness
    1.0 mm
  • Max. application thickness
    5.0 mm
  • Max. fraction size
    ≤ 0.15 mm
  • Water consumption per kg of dry mix
    0.55-0.6 l
  • Mortar pot life in tare
    40 minutes
  • Dry-out time
    24 hours
  • Collapsing strength
    ≥ 6.0 mPa
  • Tensile strength in bending
    ≥ 3.0 mPa
  • Adhesion to concrete base
    ≥ 0.5 mPa
  • Base and working temperature
    5-30°C
  • Consumption for a 3 mm layer, depending on form of machined edges in seams between gypsum plasterboards (gypsum fiber boards).
    0.25 – 0.35 kg of dry mix per running meter.
  • Packaging
    5 and 25 kg

- sealing of joints in plasterboards, fire-proof boards, gypsum fiber boards with semi-circular, bevelled, and thinned edges w/o reinforcing tape. The mix is efficiently used in sealing cross joints of gypsum board sheets (edges with chamfers);
- levelling of gypsum plasterboards and gypsum fiber boards, remedy of faults (cracks, cups, slits), fixing parts puttying;
- levelling of walls and ceilings with variances ≤ 5 mm;
-internal works in premises with standard humidity and temperatures of 5-30ºС.

Indoor walls and ceilings: cement lime and gypsum plaster, plasterboards, fire-proof boards with thinned, bevelled, or semi-circular edges, concrete, brick, gypsum blocks and slabs, foam and porous concrete, etc.

The base surface shall be dry, durable, and have no dust, dirt, oil stains, and peelings. Eliminate large popouts. When treating sheets with semi-circular edge, leave a gap of 5 mm between the sheets. The clipped sheet edges shall have a chamfer. Pad the junctions (edges) with VOLMA-Universal primer.

The air temperature during application and drying shall be 5°C or higher.

Warning! Do not apply to damp base!

Do not use the mortar that has started to harden to prevent crack formation.

Pour 5 kg of dry mix into pure water at a ratio of 0.55-0.6 l of water per kg of dry mix (5 kg of dry mix per 2.75-3 l of water) and mix with a propeller stirrer (drill) or a putty knife until homogeneous rich sour cream-like mixture. Let the mortar settle for 2-3 minutes and mix once again. Use the ready-made mortar within 40 minutes upon preparation.

1. Patch longitudinal junctions in gypsum board sheets and slabs with semi-circular, thinned, and bevelled edges as well as cross junctions (edges with chamfers).

Longitudinal and cross junctions of gypsum board sheet slabs can be puttied in an hour in two passes without any reinforcing tape. Putty the fastening parts twice, too. Use a narrow (60-80 mm) and a wide (200 mm) putty knife.

Apply the primary putty layer to fill the seam all the way down by thorough impression. Remove excessive material in bulging areas after 30 minutes. Apply the second finishing layer after 60 minutes.

Rub the fully dry surface with abrasive net no. 120. The putty can be covered with any types of paint, dry gypsum putties, ready-made paste-like putties, wallpaper glue, different decorative coatings.

2. Remedy of base surface defects (patching holes, cracks, chips, pot holes, etc.)

Pour out 2 kg of dry mix into pure water at a ratio of 1 kg of mix per 0.45-0.5 l (0.9-1.0 l per 2 kg). Clean out the cracks and slits (cut the edge until bevelled edge), pad with VOLMA-Universal. Fill the cracks with putty completely and carefully smooth it over. Apply the putty with a narrow putty knife of 60-80 mm in width.

Use only clean plastic or stainless steel tools and capacities in work because unclean tools and capacities reduce the putty mix service life. Wash the tools in water after use.

Store the bags with VOLMA-Unishov on wooden pallets in dry premises. Pour out the mix from damaged bags to sound bags and use this mix first and foremost.
The guaranteed storage in sound manufacturer’s pack is 12 months.

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