Bifold

4 options of finish available

Custom designs available!

All our casement windows are in standard internally glazed for enhanced security with option for externally glazing also available on request.

All windows fittings suite the highest requirements of corrosion resistance as it reaches the 5th grade standard EN 1670.

Hinges available with The child resistant catch limits the opening to 100 mm maximum when restricted.

A secure solution to windows offering egress and easy external access without affecting the opening and closing performance of the hinge Test performance which can consistently exceed PAS 24.

All our sash windows comes in standard with safety restriction for security.

Wooden sample with chosen colour sample can be supplied on request.

• choice from any RAL colour in standard
• choice from NCS colours in standard
• all stain colours in standard
• optional Farrow&Ball
• optional LittleGreene
• any can be mixed for double colour (different internal to external)

Lacunas bi-fold doors come with either double or triple glazing, which usually have a total u-value of between 0.95 and 1.15 W/m²K.

Lacuna uses glass from Saint Gobain, who is a world leader in the glass industry. As well as the standard clear toughened and laminated glass Lacuna doors can also be manufactured with soundproofing glass, solar control glass and opaque glass (decor and interior glass). For the full range, please visit Saint Gobain’s website.

GLAZING BARS

As an optional extra Lacuna bi-fold doors can be supplied with glazing bars in widths of 25mm or 42mm and transoms and mullions in widths of 55mm or 85mm. The vast majority of Lacuna’s customers choose the energy-efficient 25mm mansion squares.

All Lacuna’s 25mm and 42mm glazing bars are tenoned (not attached to the glass) and thus cannot fall off.

The glazing bars are supplied as either classic profile or soft line profile.

Please ask us for more details if glazing bars is required

Standard ironmongery

Design ironmongery