FoldingDoors.com
Folding Bifold Doors,
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1
Opening dimensions
WidthMeasure the full structural opening width in inches. We support roughly 72″–240″.
12′ 0″ · 3658 mm
in
HeightMeasure from finished floor to underside of the lintel. Standard heights are around 84″ and 96″.
7′ 0″ · 2134 mm
in
Number of panels (recommended: 4)More panels means each leaf is narrower and lighter. We recommend roughly one panel per ~35″ of width.
leaves
Folding configurationChoose which direction the panels stack when folded open. Split stacks half each side.
2
Frame & glazing
Frame materialAluminium offers slim sightlines, timber gives warmth, uPVC is the most budget-friendly.
GlazingDouble glazing meets standard U-values. Triple improves thermal performance. Acoustic glass reduces external noise.
3
Sill & threshold
Sill typeThe sill is the bottom rail of the door system. Flush sills sit level with the floor; weather sills give the best water protection.
4
Finish & hardware
Frame finishPowder-coated finishes are durable and low-maintenance. Custom RAL colours are available on request.
Handle & hardwareAll handles include multi-point locking. Brushed and brass upgrades are solid metal, not plated.