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Enhanced Security Ironmongery

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Security has played an increasingly important role in window design over the last 20 years, this is highlighted by the widespread use of multi-point espagnolette locking systems.

The Online Window Shop offers an enhanced security option as an alternative to the standard ironmongery specification

  • Espagnolette locking system
  • Factory fitted espagnolette handles available in white, brown, silver, polished chrome and brass
  • Flush fitting vents available in white or brown
  • Securistyle Defender ferric friction hinges
  • Aquamac weatherstrip available white, brown or black
  • Riser block available in white or black
  • Anti warp device available in white

Further Information


Trimvent Select Xtra R16 is a fully recessed plastic slot ventilator that fits over a 16mm slot in a window and provides an Equivalent Area (EA) of 4600mm².

The Xtra design improves the Trimvent Select range to offer increased ventilation that no other ventilator manufacturer can match. Trimvent Select Xtra vents all give optimum airflow (and therefore Equivalent Area) utilising existing Trimvent Select slot sizes and vent lengths, meaning they are 60% more efficient than previous models.

Specifically developed for Part F 2006 of the Building Regulations, Ventilation (England & Wales), and to improve performance for requirements throughout the UK and Europe.


Standard espagnolettes are designed for top or side hung outward opening casement windows. Each espagnolette features cams that locate into a nightvent keeper. The night vent keeper allows the window to be locked in partial open position for added ventilation. Tests confirm that the cams resist a pull out force of 3kN. This represents the perpendicular loading applied when testing to BS 7950.

Friction Hinges

Securistyle Defender friction hinge is designed for top or side hung, outward opening windows to allow for safe cleaning from inside. Each hinge has adjustable and controlled friction for smooth operation and an extended enclosed end cap for ehanced weather sealing. The egress (fire escape) option is designed to allow the maximimum clear opening to acheive and comply with fire escape regulations with the added funcion of allowing the sash to be moved for safe cleaning from inside.

Select Compact Espagnolette Handle

Select Compact is an espagnolette window handle. Select Compact features a unique compact design that has a very low 28mm stack height that allows it to be factory fitted. The smooth handle action and streamlined design is supplied locking as standard and non-locking on fire escape windows.


Aquamac window weatherstrip has been developed to offer outstanding sealing against air and water infiltration for timber windows. Aquamac is the only non-rot weather seal for timber windows.

Riser Block

Fitted to all side hung windows to ensure the sash is always relocates to its original position when closed.

Anti Warp Device

Fitted to all side hung windows above 1195mm high to maintain weatherstrip compression.