25276 version 1
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Demonstrate knowledge of lead and specialist flashings for concrete
roof tiles
Level
4
Credits
2
Purpose
People credited with this unit standard are able to demonstrate knowledge of
lead and specialist flashing types and their installation on concrete roof tiles.
Subfield
Plumbing, Gasfitting and Drainlaying
Domain
Roofing
Status
Registered
Status date
23 January 2009
Date version published
23 January 2009
Planned review date
31 December 2013
Entry information
Open.
Accreditation
Evaluation of documentation and visit by NZQA and
industry.
Standard setting body (SSB)
The Skills Organisation
Accreditation and Moderation Action Plan (AMAP) reference
0227
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1
Legislation relevant to this unit standard includes but is not limited to – Health and
Safety in Employment Act 1992, Building Act 2004.
2
The following applicable document is available for download on the Department of
Building and Housing website: http://www.dbh.govt.nz/
– Building Code compliance document Clause E2, containing Acceptable Solution
E2/AS1 for External Moisture.
3
The New Zealand Building Code is a schedule to the Building Regulations 1992. It
provides requirements for compliance with the Building Act 2004 when constructing a
new building or altering an existing one. The Building Code sets out performance
standards that building work must meet and covers aspects such as structural
stability, fire safety, access, moisture control, durability, and services and facilities.
 New Zealand Qualifications Authority 2016
25276 version 1
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interlocking
roofing
tiles
is
available
from
–
4
NZS 4206:1992 Concrete
http://www.standards.co.nz/.
5
Definition
Company requirements – include the policies, procedures, and methodologies of the
company. They include requirements documented in company and site health and
safety plans, quality assurance documents, and contract work programmes.
6
This unit standard may be assessed against off-job.
Elements and performance criteria
Element 1
Demonstrate knowledge of lead flashing types and installation on concrete roof tiles.
Performance criteria
1.1
The composition of lead flashings is described in terms of their compatibility
with other materials.
Range
1.2
Common lead flashing types on concrete roofs are described in terms of
flashing application examples and suitability.
Range
1.3
includes but is not limited to – galvanic corrosion, thermal
movement.
includes but is not limited to – parallel flashing, penetration
flashing.
Installation recommendations for lead flashings are identified in accordance with
New Zealand Building Code Acceptable Solution E2/AS1 and NZS 4206.
Element 2
Demonstrate knowledge of specialist flashings and their installation on concrete roof tiles.
Performance criteria
2.1
Materials used on specialist flashings are identified in terms of advantages and
disadvantages.
Range
includes but is not limited to – lead, tin sheet, rubber, synthetic
materials.
2.2
Pre-installation preparation considerations are described in terms of ensuring
that the specialist flashing installation is suitable for the intended purpose.
2.3
Post-installation checks to ensure integrity and watertightness are identified and
described in accordance with company requirements.
 New Zealand Qualifications Authority 2016
25276 version 1
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Please note
Providers must be accredited by NZQA, or an inter-institutional body with delegated
authority for quality assurance, before they can report credits from assessment against
unit standards or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by NZQA before they can register
credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards
must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this
standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP also includes useful information about special requirements for organisations
wishing to develop education and training programmes, such as minimum qualifications for
tutors and assessors, and special resource requirements.
Comments on this unit standard
Please contact The Skills Organisation info@skills.org.nz if you wish to suggest changes
to the content of this unit standard.
 New Zealand Qualifications Authority 2016