Renders, plasters and screeds in Morocco: applicable standards and checks on the substrate

Renders and screeds in Morocco rely mainly on cement, lime and gypsum binders. Two product standards are of mandatory application here: NM 10.1.004 for the cement in sand-and-cement renders and screeds, and NM 03.3.124 for the fillers applied before paint. Building lime (NM EN 459-1), gypsum or calcium sulphate binders (NM EN 13454-1) and metal lath (NM EN 13658-1) are homologated references. The design and application of renders are described in NM EN 13914-1, homologated as well, which the CPS can make contractual. The real control point is the substrate: walls finished, services embedded, surfaces clean.

Scope

This page takes in external renders (traditional three-coat or one-coat factory renders), internal cement or gypsum plaster, fillers and skim coats before painting, and the floor screeds that receive tiles or other floor finishes. Waterproof tanking renders for basements are handled with waterproofing; façade cladding and coatings on the façades page.

Rendering starts when the masonry and the structural works have been accepted and the electrical and plumbing chases are closed, and it ends when walls and floors are ready for painting or tiling. It is carried out in parallel with the fitting of external joinery, whose frames must be in place before reveals are finished.

Regulatory table

Reference, edition, status, the text that makes the rule mandatory and the verified source (standards catalogue 2026-10-25; NM statuses checked against the official list of the Ministry of Industry and Trade).

ReferenceEditionStatusText making it mandatorySourceNote
NM 10.1.004
Liants hydrauliques — ciments et constituants : composition, spécifications, conformité		NM 10.1.004-2019mandatoryDécision/arrêté d'homologation n° 2542-19MCINET listMandatory cement standard; the bag designation must match what the CPS prescribes for render and screed mortars.
NM 03.3.124
Peintures et vernis Enduits de peinture pour travaux intérieurs et/ou extérieurs Adaptation des enduits de peinture aux nouvelles normes europeennes		NM 03.3.124-2021mandatoryDécision/arrêté d'homologation n° 2533-21, entrée en vigueur le 15/08/2025MCINET listFillers and skim coats for interior or exterior painting work; mandatory product standard.
NM EN 459-1
Chaux de construction Partie 1 : Définitions, spécifications et critères de conformité		2018approved—IMANORBuilding lime: definitions, specifications and conformity; homologated, relevant for lime or hybrid renders and for heritage work.
NM EN 13914-1
Conception, preparation et mise en œuvre des enduits extérieurs et intérieurs Partie 1 : Enduits extérieurs		2015approved—IMANORDesign, preparation and application of external renders; homologated guidance the CPS can cite.
NM EN 13454-1
Liants, liants composites et melanges fabriques en usine à base de sulfate de calcium pour chapes Partie 1 : Définitions et spécifications		2021approved—IMANORCalcium sulphate binders and mixes for floor screeds; homologated.
NM EN 13658-1
Lattis et cornieres métalliques Définitions, exigences et méthodes d'essai Partie 1 : Enduits intérieurs		2015approved—IMANORMetal lath and beads for internal plastering; homologated reference for junctions between materials.
NM EN 14016-1
Liants pour chapes à base de magnesie Magnesie calcinee et chlorure de magnesium Partie 1 : Définitions, exigences		2021approved—IMANORMagnesite screed binders; homologated, only where this type of screed is specified.

Materials and documents to request

MaterialStandardsSupporting documentsBasis
Cement for render and screed mortarNM 10.1.004Cement type and class printed on the bag, matching the CPS; bags stored dry and used in order of delivery.Legal obligation
Fillers and skim coats before paintingNM 03.3.124Product label referring to the standard and the intended use, interior or exterior.Legal obligation
Building lime and one-coat factory rendersNM EN 459-1Data sheet with the binder type, the recommended substrates and the application conditions.Specification (CPS) requirement
Metal lath and corner beadsNM EN 13658-1Delivery note naming the product; lath placed at every junction between concrete and masonry as detailed.Good practice

Who does what

PartyRole
ArchitectChooses render types and finishes with the client, specifies junction details and accepts the substrate before rendering starts.
Rendering and screeding contractorChecks and prepares the substrate, follows the curing and drying instructions, and protects fresh work from sun and wind.
Services contractorsFinish and test their embedded conduits and pipes before walls and floors are covered.
Painting and tiling contractorsAccept the rendered surfaces or screeds before applying their own finish, and report defects in writing.
Client (owner)Approves samples of external render colour and texture before the façade is started.

Inspection milestones

  1. Structural works accepted (weathertight) Specification (CPS) requirement
    Structural works and masonry accepted, so that renders are applied on finished, stable walls.
  2. Embedded services tested before closing up Good practice
    Embedded conduits and pipes inspected, tested and photographed before chases are filled and walls rendered.
    Standards to check at this milestone: NM 06.6.071
  3. Renders, screeds and joinery installed Specification (CPS) requirement
    Substrate clean and wetted, lath at junctions, render flatness and reveals around frames checked, screeds at the right level for the floor finish.
  4. Floor and wall finishes, ceilings and painting Good practice
    Rendered surfaces accepted by the painter or tiler before finishes, with cracks and hollow areas marked for repair.

Common non-conformities and follow-up

FindingAction
Cracks along every junction between concrete frame and masonry.Open the crack, place lath or mesh across the junction and re-render, as the architect specifies.
Render sounds hollow or comes away from the wall.Remove the loose area, clean and prepare the substrate, and render again with the agreed product.
Screed level incompatible with the floor finish or the door thresholds.Grind or top up the screed before the tiler starts, never compensate with excess adhesive.
Electrical box or pipe buried under render without being tested.Open up, test, then make good; record the correction.

Frequently asked questions

Which render products carry mandatory standards in Morocco?

The cement used in mortars (NM 10.1.004) and the fillers applied before paint (NM 03.3.124). Lime, gypsum binders and render application standards are homologated, not mandatory.

Is there a Moroccan standard for applying external render?

NM EN 13914-1 covers the design, preparation and application of renders. It is homologated, so it binds the contractor when the CPS refers to it.

Why do cracks appear at the junction between columns and walls?

Concrete and masonry move differently. Metal lath across the junction and a correctly cured render reduce the risk; the architect's detail should show it.

When can render start after the masonry?

After the structural works are accepted and the services embedded in the walls have been tested. The drying time depends on the products and is set by the CPS or the manufacturer.

Who accepts a screed before tiling?

The tiling contractor checks level and soundness and accepts it in writing, with the architect, before laying any tiles.

Sources, author and revisions

Written by , architect · under review · updated . Professional reading, separate from the text of the standard: each requirement is classed as a legal obligation, a specification (CPS) requirement or good practice.

Revision log

All standards for this trade (66)

In short: for the "Renders & screeds" trade, the library lists 0 Moroccan regulation(s), 2 mandatory Moroccan standard(s), 21 approved NM and 5 foreign reference(s) used as equivalents.

Mandatory Moroccan standards (NM) (2)

Approved Moroccan standards (NM, voluntary) (21)

European and French standards (EN, NF, DTU) (5)

Cross-cutting texts (all trades) (38)

2026 reference prices — Renders & screeds

Public reference prices from the CITURBAREA materials library (October 2026), in dirhams excluding VAT; 20% VAT on top (incl. VAT = excl. VAT × 1.2), Rabat-Salé-Kénitra base. These are benchmarks, not supplier prices.

MaterialFrom (excl. VAT)From (incl. VAT)Range excl. VATReliability
Enduit hydrofuge de cuvelage27,63 DH / kg33,16 DH / kg27,63 DH – 28,47 DHC (indicative)
Mortier de réparation R417,73 DH / kg21,28 DH / kg17,73 DH – 18,35 DHC (indicative)
Plâtre de construction1,33 DH / kg1,6 DH / kg1,33 DH – 1,34 DHC (indicative)
Atlas Ecoline Anti-fissure, enduit de rebouchage élastique 0,5 L91,66 DH / L110 DH / L91,66 DH – 91,67 DHC (indicative)
Colostop, enduit pâte vinylique de rebouchage 5 kg16,54 DH / kg19,85 DH / kg16,54 DH – 16,55 DHC (indicative)
Enduiflex, enduit poudre anti-humidité 5 kg21,66 DH / kg25,99 DH / kg21,66 DH – 22,94 DHC (indicative)
Enduit anti-humidité H 200, 4 kg20,62 DH / kg24,74 DH / kg20,62 DH – 20,63 DHC (indicative)
Enduit Ceramica, enduit pâte de préparation sur carrelage et faïence 5 kg19,83 DH / kg23,8 DH / kg19,83 DH – 22,59 DHC (indicative)
Enduit de carrelage C 300, 4 kg20,62 DH / kg24,74 DH / kg20,62 DH – 20,63 DHC (indicative)
Enduit façade F33, 25 kg8,16 DH / kg9,79 DH / kg8,16 DH – 8,17 DHC (indicative)

Detail in the estimator → · Reference prices and data sheets →

24 materials for this trade in the materials library. Gros œuvre · Étanchéité · Plâtrerie & faux plafonds · Peinture & enduits

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