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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

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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

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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