BS EN 998-1:2016
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Specification for mortar for masonry – Rendering and plastering mortar
| Published By | Publication Date | Number of Pages |
| BSI | 2016 | 30 |
This European Standard is applicable to factory-made rendering/plastering mortars based on inorganic binders for external (rendering) and internal (plastering) use on walls, ceilings, columns and partitions. It contains definitions and final performance requirements.
This European Standard provides for the assessment and verification of constancy of performance (AVCP) of the product to this European Standard. The marking requirement for products covered by this European Standard is included.
It does not cover mortars where calcium sulphate binder is the principal active binding agent.
Calcium sulphate binder can be used as an additional binder together with air lime. If air lime is the principal active binding component, the rendering/plastering mortar is covered by this European Standard. If the calcium sulphate binder is the principal active binding component, the mortar is covered by EN 13279 .
Special fire resistant- and acoustical mortars, mortars for structural repair and surface treatments of building elements such as materials for smoothing or trueing, paints, coatings, thin-layer organic renders/plasters and prefabricated units (e.g. plasterboards) are not dealt with in this European Standard.
This European Standard covers rendering/plastering mortars defined in Clause 3 with the exception of site-made rendering/plastering mortars. However, this European Standard or part of this European Standard may be used in conjunction with codes of application and national specifications covering site-made mortar.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | European foreword |
| 7 | Introduction |
| 8 | 1 Scope 2 Normative references |
| 9 | 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions |
| 11 | 3.2 Abbreviated terms |
| 12 | 4 Materials 5 Product characteristics 5.1 General 5.2 Characteristics of fresh mortar 5.2.1 Workable life 5.2.2 Air content 5.3 Characteristics of hardened mortar 5.3.1 General |
| 13 | 5.3.2 Durability 5.3.2.1 One-coat rendering mortar 5.3.2.2 All rendering mortars except one-coat 5.3.3 Reaction to fire 5.3.4 Dangerous substances Table 1 — Classification for hardened mortar properties |
| 14 | Table 2 — Summary of requirements for hardened mortars |
| 16 | 5.4 Mixing of mortar on site 6 Designation of rendering and plastering mortars 7 Marking and labelling 8 Assessment and verification of constancy of performance (AVCP) 8.1 General 8.2 Product-type determination 8.2.1 General |
| 17 | 8.2.2 Sampling 8.2.3 Reference test 8.2.4 Repeating of product-type determination 8.2.5 Recording 8.2.6 Application of test methods 8.3 Factory Production Control, FPC 8.3.1 General 8.3.2 Process control 8.3.2.1 Incoming raw materials |
| 18 | 8.3.2.2 Production process 8.3.3 Finished product conformity 8.3.3.1 Tests on the finished product 8.3.3.2 Test equipment 8.3.4 Statistical techniques 8.3.5 Traceability – marking and stock control of products |
| 19 | 8.3.6 Non-conforming products |
| 20 | Annex A (normative) Sampling for product-type determination and independent testing of consignments A.1 General A.2 Sampling procedure |
| 21 | Annex B (informative) Indicative test frequencies for Factory Production Control (FPC) Table B.1 — Testing of rendering and plastering mortars |
| 23 | Annex ZA (informative) Relationship of this European Standard with Regulation (EU) No.305/2011 ZA.1 Scope and relevant characteristics |
| 24 | Table ZA.1.1 — Relevant clauses for rendering mortars for external use |
| 25 | Table ZA.1.2 — Relevant clauses for plastering mortars for internal use ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) ZA.3 Assignment of AVCP tasks |
| 26 | Table ZA.3 — Assignment of AVCP tasks for factory-made rendering and plastering mortars under system 4 |
| 27 | Bibliography |
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BS EN 998-1:2016 – TC:2020 Edition
Tracked Changes. Specification for mortar for masonry – Rendering and plastering mortar Published By Publication…
