Nailing
Fin Frame: The head and jambs have a built-in nailing fin / weather bar to make installation into cavity brick and brick veneer as detailed on this page.
•
Sub-sill: The standard
sub-sill also has a built-in nailing fin to facilitate
the sill installation.
•
Lugs: The nailing fin frame can be fitted with a dedicated adjustable galvanised steel building-in lug. This is important on brick installations if you don't want angle trim fixings with visible fasteners.
Alternative
44mm wide jamb illustrated on this page.
Cavity
brick installation
