Apply solid plaster to complex internal surfaces

Business Sectors (Suites): Building Maintenance Multi-trades Repair and Refurbishment Operations,Plastering (Construction)
Developed by: Construction Skills
Approved on: 31 Dec 2014


This standard is about interpreting information, adopting safe, healthy and environmentally responsible work practices, selecting and using materials, components, tools and equipment and applying solid plaster to complex internal surfaces

This standard is for people working in the occupational area of plastering and can be used by construction operatives, supervisors and managers


Performance criteria

You must be able to:

P1  interpret the given information relating to the work and resources to confirm its relevance
P2  comply with the given, relevant legislation and official guidance to carry out your work and maintain safe and healthy work practices
P3  select the required quantity and quality of resources for the methods of work
P4  comply with organisational procedures to minimise the risk of damage to the work and surrounding area
P5  comply with the given contract information to carry out the work efficiently to the required specification
P6  complete the work within the allocated time, in accordance with the programme of work​

Knowledge and Understanding

You need to know and understand:

**Performance Criteria 1

*Interpretation of information
K1  the organisational procedures developed to report and rectify inappropriate **information
and unsuitable resources, and how they are implemented
K2  the types of information, their source and how they are interpreted
K3  the organisational procedures to solve problems with the information and why it is important they are followed

**Performance Criteria 2

*Safe work practices
K4  the level of understanding operatives must have of *information
for relevant, current legislation and official guidance and how it is applied
K5  how emergencies should be responded to and who should respond
K6  the organisational security procedures for tools, equipment and personal belongings
K7  what the accident reporting procedures are and who is responsible for making the report
K8  why, when and how health and safety control equipment should be used
K9  how to comply with environmentally responsible work practices to meet current *
legislation and official guidance

**Performance Criteria 3

*Selection of resources
K10  the characteristics, quality, uses, sustainability, limitations and defects associated with the **resources
and how defects should be rectified
K11  how the resources should be used and how any problems associated with the resources are reported
K12  the organisational procedures to select resources, why they have been developed and how they are used
K13  the hazards associated with the resources and methods of work and how they are overcome

**Performance Criteria 4

**Minimise the risk of damage
K14  how to protect work from damage and the purpose of protection
K15  why disposal of waste should be carried out safely and how it is achieved

**Performance Criteria 5

**Meet the contract specification
K16  how methods of work, to meet the specification, are carried out and problems reported
K17  how maintenance of tools and equipment is carried out

**Performance Criteria 6

*Allocated time
K18 what the **programme
is for the work to be carried out in the estimated, allocated time and why deadlines should be kept​


**Performance Criteria 1

**1  interpretation of drawings, specifications, schedules, method statements, risk assessments and manufacturers' information related to the work to be carried out

**Performance Criteria 2

**2  avoidance of risk by complying with the given information relating to the following
2.1  methods of work
2.2  safe use of health and safety control equipment
2.3  safe use of access equipment/working platforms
2.4  safe use, storage and handling of materials, tools and equipment
2.5  specific risks to health

**Performance Criteria 3

**3  selection of resources associated with own work
3.1  materials
3.2  tools and equipment

**Performance Criteria 4

**4  protection of the work and its surrounding area from damage
5  minimise damage and maintain a clean work space
6  disposal of waste in accordance with current legislation


Performance Criteria 5**

7  demonstration of work skills to plumb, measure, mark out, mix, apply and finish one-, two- and three-coat plaster
8  use and maintain hand tools, portable power tools and ancillary equipment 
9  prepare background surfaces, mix plaster and apply internal solid plaster to at least six of the following to given working instructions
9.1  internal and external angles other than 90°
9.2  splayed walls
9.3  round or arched windows
9.4  round or square columns
9.5  attached piers
9.6  beams
9.7  inclined walls or ceilings
9.8  curved surfaces
9.9  lath walls or ceilings
9.10  expanded metal lath (EML)

**Performance Criteria 6

**10  completion of own work within the estimated, allocated time to meet the needs of other occupations and/or client​

Scope Performance

Scope Knowledge

**Disposal of waste

**1  environmental responsibilities, organisational procedures, manufacturers’ information, statutory regulations and official guidance


**2  operative's response to situations in accordance with organisational authorisation and personal skills when involved with
2.1  fires, spillages, injuries
2.2  emergencies relating to occupational activities


**3  those identified by risk assessment, method of work, manufacturers’ technical information, statutory regulations and official guidance

**Health and safety control equipment

**4  identified by the principles of prevention for occupational use, types and purpose of each type, work situations and general work environment
4.1  collective protective measures
4.2  personal protective equipment (PPE)
4.3  respiratory protective equipment (RPE)
4.4  local exhaust ventilation (LEV)


**5  drawings, specifications, schedules, method statements, risk assessments, manufacturers' information and current regulations governing buildings

**Legislation and official guidance

**6  this relates to the operative's responsibilities regarding potential accidents, health hazards and the environment whilst working in the workplace, below ground level, in confined spaces, at height, with tools and equipment, with materials and substances, with movement/storage of materials and by manual handling and mechanical lifting


**7  operative care of hand tools, portable power tools and ancillary equipment

**Methods of work

**8  application of knowledge for safe and healthy work practices, procedures and skills relating to the method/area of work and materials used to
8.1  prepare background surfaces
8.2  mix plaster
8.3  apply and finish one-, two- and three-coat plasterwork to splayed walls, round and arched windows, round and square columns, attached piers, beams, inclined walls and ceilings, curved surfaces, lath walls and ceilings and EML to solid backgrounds and board backgrounds
8.4  form internal and external angles other than 90°, reveals and expansion joints
8.5  recognise and determine when specialist skills and knowledge are required and report accordingly
8.6  understand specific requirements for structures of special interest, traditional build (pre 1919) and historical significance
8.7  use hand tools, portable power tools and ancillary equipment
8.8  work at height
8.9  use access equipment/working platforms
9  team work and communication
10  needs of other occupations associated with internal solid plastering



**11  those arising from information, resources and methods of work
11.1  own authority to rectify
11.2  organisational reporting procedures


**12  types of progress charts, timetables and estimated times
13  organisational procedures for reporting circumstances which will affect the work programme

**Protect work

**14  protect work against damage from general workplace activities, other occupations and adverse weather conditions


**15  materials, components and equipment relating to types, quantity, quality, sizes and the sustainability of standard and/or specialist
15.1  backing coat and finishing plasters, sand, lime, cement and additives
15.2  beads and trims, scrim and tapes
15.3  expanded metal lath (EML), timber lath
15.4  clean water
15.5  hand tools, portable power tools and ancillary equipment
16  methods of calculating quantity, length, area and wastage associated with the method/procedure to apply solid plaster to complex internal surfaces

**Security procedures

**17  site, workplace, company and operative​





Links To Other NOS

External Links

Version Number


Indicative Review Date

31 Dec 2019





Originating Organisation


Original URN


Relevant Occupations


SOC Code



One-coat; Two-coat; Three-coat; Curved backgrounds; Inclined-surfaces; Mixing-plaster; Expansion-joints; Internal/external-angles; Expanded metal lath; Lath walls; Solid plaster; Complex surfaces