Building Construction Handbook, Eighth Edition

Further typical details using profiled galvanised steel or aluminium,

colour coated if required ~

RIDGE cranked one-piece profiled ridge

zed purlin

ridge lining

outer profiled sheeting

VALLEY GUTTER

compressible profiled filler mineral fibre

quilt insulation

thermal break

`plastic' spacer

inner lining and gutter support

gutter lining

EAVES GUTTER

radiused eaves

piece

galvanised steel or

aluminium flashing

zed purlin

zed rail

inner profiled sheeting, overlaps butyl or silicone

sealed to provide vapour control layer ... optional

polythene vcl and breather membrane as shown

on previous page

insulated trough gutter

Roof Sheet Coverings