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Installation of roof lights to all roofs


The purpose of this standard is to provide the candidate with knowledge and skills to install a rooflight (also known as skylight) to a roof.

CITB have developed this training standard in discussion with industry


Minimum 2 days of 6 learning hours per day.


The purpose of this standard is to provide the candidate with knowledge and skills to install a rooflight (also known as skylight) to a roof.

The scope of this standard covers:

  • Roofing systems that are sloping or flat, and of any material
  • Rooflights (aka skylights) of any design and material
  • Types of: rooflight, flashing, and fixing
  • Main parts of rooflights
  • Performance factors of rooflights
  • Types of roof structure
  • How to read manufacturers’ installation drawings
  • Types of tools and equipment for installing rooflights
  • How to prepare, handle, and hoist a rooflight
  • How to set out a rooflight installation
  • How to cut, prepare, and reinforce the rooflight opening
  • How to install a rooflight from inside/outside
  • How to weatherproof a rooflight
  • Main legislation, codes of practice, and/or standards that apply to rooflights, including safety.

Occupational relevance

Training delivered against this standard is relevant to the following occupational group(s):

  • Operative and Craft
  • Technical
  • Supervision.

Candidate pre-requisites

For this training, candidates must hold a valid Working at Height certificate. It would be beneficial if candidates had a basic knowledge of roof terminology, tools, and techniques; and also, the ability to read manufacturer’s installation drawings.

Before candidates perform the work on a construction site, candidates must have successfully completed roofing-specific training for working safely at height.


As a minimum, course instructors must be able to demonstrate that, in relation to this standard, they have:

  • A train the trainer or instructional techniques course certificate
  • Successfully completed training to this standard
  • At least 2 years relevant industrial experience
  • A verifiable CV.


The following methods may be used in the delivery of this standard:

  • Practical training in an off the job simulated environment, using low height roofing rigs
  • Theory training may be: classroom, e-learning, or a combination

All materials and equipment must be of a suitable quality and quantity for candidates to achieve learning outcomes and must comply with relevant legislation.

The class size and candidate/instructor ratio must allow training to be delivered in a safe manner and enable candidates to achieve the learning outcomes.

Learning should include at least 60% of learning activities for candidates to install rooflights to suit roofing scenarios.


For the successful completion of training, the trainer will be required to make a declaration of the learner’s contribution during the course and that they are confident the learner has understood the content of the course. 

Quality assurance

Quality assurance against this standard will require initial approval of the training organisation and their content mapped to the standard.

CITB will also conduct an approval intervention, either desk-based or centre visit, to ensure the training organisation can meet the requirements of the training standard.

Approved training organisations will be required to present information on records of training and assessment upon request to CITB for desk based analysis. They will also be visited annually by the CITB quality assurance team.


Recommended refreshment: HSE, other relevant codes of practice or industry card scheme criteria recommend that the candidate completes a refresher of his/her training (that is to ensure their knowledge and/or skills are up to date) every 5 years.

Approval date

17th November 2017

Review cycle

Either on request or in 3 years from approval date.

Learning outcomes 

The candidate will be able to:

  • List types of rooflight, flashing, and fixing 
  • List main parts of rooflights 
  • List performance factors for rooflights 
  • List types of roof structure 
  • Read manufacturers’ installation drawings 
  • List the tools and equipment to install a rooflight 
  • Prepare, handle, and hoist a rooflight (large sizes/weights may require a certified rigger. 
  • Set out a rooflight installation (using a sample scenario manufacturers’ installation drawing) 
  • Cut, prepare, and reinforce the rooflight opening (using a sample scenario manufacturers’ installation drawing) 
  • Install a rooflight from inside/outside (using a sample scenario manufacturers’ installation drawing) 
  • Weatherproof a rooflight(using a sample scenario manufacturers’ installation drawing) 
  • List the main legislation, codes of practice, and/or standards that apply to rooflights, including safety

Additional information about this standard

Metal Cladding & Roofing Manufacturers Association (MCRMA). See a comprehensive collection of downloadable PDF Technical Design Guides for this standard

Health & Safety Executive (HSE) See Safe working at height resources

HSE: See useful web links on working at height

HSE: See publication HSG33 'Health and safety in roof work’

HSE: See publication 'Working on roofs’

Government regulations: See the Work at Height Regulations 2005

HSE See Electrical safety at work resources

MCS is a Certification Body: See their solar installation standards

MCS See their solar/PV reference materials

BS EN 14782:2006. Self-supporting metal sheet for roofing, external cladding and internal lining.

BS 5427:2016. Code of practice for the use of profiled sheet for roof and wall cladding on buildings.