Protective primer PCI Gisogrund® 20L

PCI Gisogrund 20L

PCI Gisogrund is a single component, solvent free, fastdrying primer. With PCI Lastogum makes perfect combination to make your shower area waterproof. The primer is recommended for mortar mineral floor leveler, plasters, paint and wallpapers. It is also useful for primer deep penetration to increase strength of ground with insufficient toughness.

PCI Gisogrund characterized with reliable adhesion with tile adhesives. Also, product cures extremely fast - after application, it is walkable after approx. 30-60 minutes.

PCI Gisogrund 20L pail will cover: gypsum based substrates: approx. 130 to 250m², abosrbent mineral substrates: 74-130m² for two coats.

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81500

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£ 150.99

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Material basemodified acrylic resin dispersion
ComponentsSingle component
Densityapprox. 1.0 g/cm³
Control colourBlue
Packaging size1 l bag
Shelf lifemin. approx. 12 months
Working temperature+5 °C to +25°C (substrate temperature)
Storagein dry conditions, no permanent storage over +30°C, but not below -10°C. Frozen PCI Gisogrund should be slowly thawn and stirred thoroughly.
Walkable afterapprox. 30 - 60 minutes
Carriage of Dangerous Goods by Road, Rail and Inland Waterwaysnon hazardous
Regulation for hazardous substancesno labelling requirement for this product
2nd coat afterapprox. 30 - 60 minutes
subsequent application afterapprox. 60 - 180 minutes (depending on the absorbency of the substrate as well as temperature and humidity)
Temperature resistance of cured film-20°C to +80°C

Features and benefits:

  • Solvent-free to TRGS 610; Giscode D1.
  • EU 2004/42/IIA(g)(50/30): < 15 g/l.
  • Improves the strength and solidity of substrates and helps increase adhesion of tiles, plasters and wallpapers.
  • Reliable adhesion of PCI tile adhesives to PCI Gisogrund primer.
  • Protects thin-bed mortars and levelling compounds from too rapid dehydration on absorbent substrates, extends the open time, improves adhesion and prevents formation of cracks caused by shrinkage.
  • Prevents formation of blow holes and too rapid dehydration when levelling floors with PCI Periplan, PCI Periplan fein or PCI Periplan Tixo.

Fields of application:

  • For indoor and outdoor use.
  • For walls and floors.
  • Primer for absorbent substrates to protect subsequent material from too rapid dehydration.
  • Primer prior to the application of flowable and non-sag floor levelling compounds, e.
  • g. PCI Periplan, PCI Periplan fein or PCI Periplan Tixo and other mortars and anhydrite screeds which set through hydration.
  • Primer for anhydrite screeds and building boards.
  • Primer for mastic asphalt screeds prior to the application of PCI tile adhesives.
  • Primer to strengthen mealy, absorbent screed surfaces and plasters indoors prior to the laying of tiles and mosaic.
  • Acting as a moisture barrier and primer for plaster, plaster slabs, gypsum fibre boards, plaster boards, aerated concrete, concrete, asphalt, render and brickwork before tiling and wallpapering.
  • Primer for aerated concrete and brickwork on walls prior to the application of plaster and gypsum lime plaster.

PCI Gisogrund improves the adhesion of plaster and lime gypsum plaster to brickwork.

PCI Gisogrund protects levelling compound and thin-bed mortar from too rapid dehydration, extends the open time, helps improve adhesion and prevents the formation of cracks caused by shrinkage.

PCI Gisogrund helps improve the strength and solidity of old, mealy plaster and increases adhesion to tiles, plaster and wallpaper.

Application


Preparation of substrate

The substrate must be structurally sound, clean and able to bear weight. Remove oil stains, residues which could impair adhesion such as waterproof adhesive residues, cement paste and dirt very thoroughly. Newly applied cement screeds must have a moisture content level not exceeding 4%, rough-ground anhydrite and/or gypsum based screeds not more than 0.5% (measured with CM meter).

Application procedure

Priming and strengthening of gypsum based substrates, anhydrite screeds, mastic asphalt screeds and xylolith screeds as well as screeds with old adhesive residues (not suitable with water soluble adhesive residues, e.g. sulphite liquor adhesives)

  1. Stir PCI Gisogrund well prior to the application (and/or shake 1 litre bag well).
  2. Apply a sufficient quantity of undiluted PCI Gisogrund by brush or float to achieve a uniform coat. Avoid puddles forming!
  3. Check strengthening and curing by scratching the surface. Do not apply tile adhesive, wallpaper, paint, plaster or PCI Periplan, PCI Periplan fein or PCI Periplan Tixo before PCI Gisogrund is dry.

Priming and strengthening of absorbent mineral substrates, e.g. concrete, cement screeds, gauged renders, aerated concrete, limestone or similar.

  1. Stir PCI Gisogrund well (and/or shake 1 litre bag well), dilute 1 : 1 with water and mix thoroughly.
  2. Apply a sufficient quantity of diluted PCI Gisogrund by brush or float to achieve a uniform coat.
  3. In case of very absorbent substrates it is recommended to apply a second coat of PCI Gisogrund, diluted 1 : 1 with water, to achieve a more intensive strength and to avoid blow holes forming. Do not apply the second coat until the first one has completely cured.
  4. Do not apply tile adhesive, wallpaper, paint, plaster or PCI Periplan, PCI Periplan fein or PCI Periplan Tixo as floor leveller before the primer is dry (scratch proof).

Please note:

  • Do not apply at temperatures below +5 °C and above +30°C.
  • Clean tools with water immediately after use. Once cured material can only be removed by mechanical scraping.
  • In case of partial tiling the entire wall area should be primed (e.g. behind the bathtub or above the tile covering).
  • Apply only one coat of PCI Gisogrund, diluted 1 : 1 with water (consumption: approx. 100 to 140 ml of diluted mix per m²) before wallpapering on plaster/render, gypsum plasterboards etc.
  • The curing time of the wallpaper paste slows down when wallpapering on substrates primed with PCI Gisogrund. Do not paint over woodchip wallpaper etc. before the paste has completely cured.
  • The first coat of PCI Gisogrund can be diluted 1 : 2 with water in case of very absorbent substrates, e.g. aerated concrete.
  • Follow the recommendations issued by the gypsum industry regarding the maximum permissible moisture content, layer thickness of gypsumbased substrates and their surfaces.
  • Avoid puddles forming when applying PCI Gisogrund to floor areas.
  • Use particle filter mask P2 for spray application.
  • PCI Gisogrund is not suitable to prime water-soluble adhesive residues (e.g. sulphite liquor adhesives). They must either be completely removed or primed with PCI Epoxigrund 390 (sprinkle with silica sand while still wet).
  • Old adhesive residues must be completely removed before laying natural stones.
  • Do not apply PCI Gisogrund in underwater situations.
  • Use PCI Gisopakt bonding agent to prime concrete and limestone before applying plaster and gypsum lime plaster.
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