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PREN 16566

2013 Edition, February 2013

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Superseded By: BS EN 16566

Additional Comments:
W/D S/S BY BS EN 16566
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Description / Abstract:

This European Standard specifies the characteristics, specifications, and the corresponding classification of interior and/or exterior fillers, whether in powder or paste form, in aqueous or solvent phase, mono- or multicomponent. It completes these by other properties to be specified on a case by case basis. It applies to products designed to cover all backgrounds and substrates in traditional materials or compliant with the standards in force, whether new or existing, bare or coated, absorbent or non-absorbent, smooth or rough, in order to prepare them to receive a paint or related system, or a bonded cover, whether specific or not. More generally intended to improve the surface appearance, they can also: not be over-coated, create a textured appearance or not, and be treated/coloured or not (pigments, wax, etc).

Exterior fillers are not intended as top coat.

Interior coating materials with grain size over 1,0 mm are not covered by this standard.

NOTE 1 On a smooth and non-absorbent substrate, it may be necessary before filling to carry out a light sanding and/or apply a suitable bonding primer.

This standard complies with the general system for classification of water-borne coating materials and coating systems for interior walls and ceilings described in EN 13300.

This standard complies with the general system for the description of coating materials and coating systems for exterior masonry and concrete described in EN 1062-1.

The essential function of fillers is therefore a decorative function. So these fillers are considered here as preparatory and/or decorative fillers, of smooth or textured appearance.

NOTE 2 Nothing prevents preparatory surface filler from being coated with a paint system comprising protective functions.

However, they are not suitable for truing of backgrounds, since they are applied without dots and screeds, without specifications regarding the verticality, angularity or flatness under a 2,00 m straight edge, or thickness. Their application never requires, to assure they bond correctly, the prior application of a rigid reinforcement such as a lathwork or wire mesh, or a spatter-dash or grout or striating of the surface between two coats. They may nevertheless incorporate a flexible reinforcement (strip of calico of natural or synthetic fabric) for example along joints between different or same materials, in order to limit visible cracking.

Under these conditions, this European Standard does not concern products covered by the following standards:

EN 998-1, Specification for mortar for masonry — Part 1: Rendering and plastering mortar

EN 998-2, Specification for mortar for masonry — Part 2: Masonry mortar

EN 15824, Specifications for external renders or internal plasters based on organic binders

EN 13279-1, Gypsum binders and gypsum plasters — Part 1: Definitions and requirements

EN 13963, Jointing materials for gypsum plasterboards — Definitions, requirements and test methods

EN 12860, Gypsum Based Adhesives for Gypsum Blocks — Definitions, Requirements and Test Methods

EN 13813, Screed material and floor screeds — Screed material — Properties and requirements

EN ISO 11600, Building construction — Jointing products — Classification and requirements for sealants