Configurations
Aesthetics
Door Specifications
Door Performance
Colour Choices
You can have your new BI-Fold Doors in a variety of colours:
– White
– Anthracite Grey
– Black
– Grey on White
– Black on White
– Any RAL Colours
Door Specifications
– Minimum sash size: 600mm
– Maximum sash size: 1200mm
– Minimum Height: 1000mm (Bifold Window)
– Max Height: 3000mm
– Sightlines: 120mm
– Frame Depth: 73mm
– U Value: 1.1
Door Performance
Transmittance
Uw from 1.1 (W/m²K)
Air permeability
(EN 12207) CLASS 4Water tightness
(EN 12208) CLASS 9A
Wind Resistance
(EN 12210) CLASS A3
Security Test
(PAS 24): Passed
Cill Options
Threshold Options
Add-ons
Trickle Vents
Cill Options
– 90mm (stub cill)
– 150mm
– 180mm
– 230mm
Threshold Options
– Standard Threshold: 55mm
– Low Threshold: 20mm
Add-ons
– 20mm
– 38mm (suitable for Trickle Vents)
Trickle Vents
– Available in sashes or addons (chargeable)
– Trickle Vents (£25 each)
Glazed & Unglazed Options
Unglazed Units
All bifolds are prepared for glass thickness 28mm overall. If you are purchasing integral blinds elsewhere to install into our bifolds then please state this when ordering.
Glazed Units
The glass we provide is 4mm planitherm total + 20mm thermal warm edge spacer bars, argon gas. The total overall u value = 1.2
Technical Information
Maximum height: 3000mm
Maximum width per sash: 1200mm
High security gearbox/steel bifold door lock, including two shoot bolt locks.
Ultra-smooth bottom running.
Slim sightlines.
Intermediate doors have concealed shoot bolt locking with single point handle.
Key locking optional.
Every conceivable configuration achievable up to a maximum 7 Left, 7 Right with bottom rolling.
Inline system with sash and outer frame the same depth.
MERSEY BIFOLDS
Recent Installs From Mersey Bifolds
Configurations Available
Colour Options
Years Experience
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