Carpentry and Joinery NVQ and Technical Certificate Level ... modules: CC 1001K CC 1001S CC ... %K @SQNNER XSSHU ... Carpentry and Joinery NVQ and Technical Certificate Level 2 2nd Edition Chapter 12 Structural

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    26-May-2018

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    chapterStructural carcassing

    12OVERVIEW Structural carcassing covers all carpentry work associated with

    This chapter is designed to help you identify the main activities associated with structural carcassing and to provide you with the

    This chapter will cover the following topics:

    These topics can be found in the following modules:

    CC 1001K CC 1001S

    CC 2010K CC 2010S

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    Carpentry and Joinery NVQ and Technical Certificate Level 2, 2nd Edition

    VVVVergeerVVV

    VergeVV

    Eaves

    Abutment

    Figure 12.53 Flat roof terminology

    Single fall into guttering Double fall into guttering

    Double fall to internal funnel outlet Double fall to corner funnel outlet

    Direction of fall

    Figure 12.54 Falls on a flat roof

    Remember

    A roof with an angle of more than 10 degrees is classified as a pitched roof

    Definition

    Fibreglass a material made from glass fibres and a resin that starts in liquid form then hardens to be very strong

    SDid you know?

    If a puddle forms on a roof and is not cleared away quickly, over a period of years the water will eventually work its way through

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    Chapter 12 Structural carcassing

    Laying joists to a fall

    Figure 12.55 Joists laid to a fall

    FFFFFFFallallallallallall

    Decking

    VariableVVdepth firringsto give fall Joists fixed level

    Figure 12.56 Joists with firring pieces

    Definition

    Firring piece long wedge tapered at one end and fixed on top of joists to create the fall on a flat roof

    Joist

    Wall plate

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