Kerakoll Active Prime Grip – Bulk Buy – Rapid universal adhesion promoter

Kerakoll Active Prime Grip extended information

Intended use:

Preparation of absorbent or non-absorbent substrates before the laying of self-levelling and levelling products, mineral and cement-based adhesives, finishing products, plasters/renders and fluid mortars, in order to improve their adhesion to the substrate. Creation of a suitable barrier to neutralize the expansive chemical reaction of gypsum- and anhydrite-based substrates.
For internal and external use.
Products suitable for overlaying:

• fluid, mineral mortars and fluid mortars
• mineral adhesives and cement-based adhesives – cement and gypsum-based finishing, levelling and self-levelling products
• cement and gypsum-based plasters/renders – Patina, Patina Living, Wallcrete, Wallcrete Living, Wallpaper, Wallpaper Living coverings – rainproof waterproofing products from the Bioscud range

Substrates:

• ceramic floors and coverings, marble tiles, natural stone
• flooring in concrete smoothed with circular grinding machinery
• compact and firm cement- and anhydrite-based screeds
• prefabricated concrete and fresh concrete castings
• wooden panellings
• hardwood floors
• gypsum brick and plasterboard panels
• brick
• substrates in metal on rigid supporting surfaces
• flooring with residual traces of resin-base adhesives
• flooring in epoxy resin
• varnishes
• rigid PVC coatings

Do not use on high flexible substrates and substrates which may present a risk of strong dimensional movement; on substrates which are moistened or subject to moisture rising, for overlaying of mortars and plasters/renders with semi-dry consistency and high grain size; directly on cement-, gypsum- or anhydrite -based self-levelling substrates with loose or friable areas; on magnesian substrates.

Instructions for use

Preparation of substrates:
In general, substrates must be free from dust, oil and grease, free from moisture rising, with no loose, flaky or imperfectly anchored parts such as residues of cement, lime, varnishes and adhesives, which must be completely removed.

In particular, surface treatments of certain types of material such as waxes for resilient materials, marble floor tiles, hardwood floors, concrete parting compounds and sheet-metal oils must be completely removed. Varnishes, paints and adhesives must be removed by mechanical means in those cases where they can be removed easily, leaving only the parts which are well anchored to the substrate. The substrate must be stable, non-deformable, without cracks and have already completed the curing period of hygrometric shrinkage. Absorbent substrates must be compact, firm and with no loose or friable areas. Cement-, gypsum- and anhydrite-based self- levelling substrates may present laitance or a powdery surface.

Sand with a large-grain abrasive in order to remove bleeding and then remove the dust.

When loose, friable surfaces can’t be treated by sanding and subsequent removal of dust, it is recommended to use Kerakoll Active Prime Fix. Plasters with a gypsum base must present a residual humidity ≤ 1% and screeds with an anhydrite base ≤ 0.5%, both of which should be measured with a carbide hygrometer.

Preparation
Mix briefly before use in order to homogenize the product. Kerakoll Active Prime Grip is immediately ready to use.

Application
Directly dip the roller into the original container and lay an even quantity. Repeat the operation on the same surface, with a pass perpendicular to the first. Proceed in this manner until the substrate has been covered completely. Before overlaying, wait until the film has completely hardened (approx. 30-60 minutes at +23°C, 50% R.H.).

Cleaning
Residual traces of Kerakoll Active Prime Grip can be removed from tools using water before the product hardens.

NB

After applying Active Prime Grip and before laying, check if the moisture content of the substrate is suitable for the type of covering selected.

NB2

• Product for professional use
• abide by any standards and national regulations do not apply on roughened substrates or substrates which require
  heavy thicknesses of product
• make sure the substrate is perfectly clean, dry and compact
• respect the indicated uses
• check substrate adhesion before overlaying
• do not add binders, inert materials or additives
• if the product has been washed away or removed mechanically, it will have to be replaced by a further application
• do not use as a promoter for plasters, mortars and screeds with semi-dry consistency or high granulometric grading
• do not apply on substrates which present a high degree of deformability or thermal expansion
• if necessary, ask for the safety data sheet
• for any other issues, please contact the Kerakoll Worldwide Global Service

Kerakoll Active Prime Grip technical data

Kerakoll Active Prime Grip Performance

VOC Indoor Air Quality (IAQ) – Volatile organic compound emissions